CN104379066A

CN104379066A - Tissue thickness compensator comprising channels

Info

Publication number: CN104379066A
Application number: CN201380027602.XA
Authority: CN
Inventors: K·J·施米德; J·R·摩根; D·L·科尔维克; F·E·谢尔顿四世
Original assignee: Ethicon Endo Surgery Inc
Current assignee: Ethicon Endo Surgery Inc
Priority date: 2012-03-28
Filing date: 2013-03-27
Publication date: 2015-02-25
Anticipated expiration: 2033-03-27
Also published as: CN104379066B; JP6266590B2; MX2014011773A; RU2629056C2; JP2015513962A; RU2014143210A; MX351608B; BR112014024156A2; BR112014024156B1

Abstract

A tissue thickness compensator (23720) can comprise a tissue contacting surface and a network of channels (23727) defined in the tissue contacting surface. In at least one embodiment, the channels can be configured to store at least one medicament therein. In certain embodiments, the channels can define gripping surfaces configured to grip tissue. In various embodiments, the tissue contacting surface can further comprise ridges extending therefrom.

Description

Comprise tissue thickness's compensating part of passage

Background technology

The present invention relates to a kind of surgical instruments, and in various embodiments, the present invention relates to the surgical cutting and suture instruments and nail bin thereof that are designed to cutting and suture tissue.

Summary of the invention

Below for by claims protection or can the incomplete list of claimed embodiments of the invention.

1. a compensating part, it can be attached to the anvil block of fastening instrument, and wherein said anvil block comprises profiled surface, and wherein said compensating part comprises:

Compensating part package, described compensating part package comprises:

Ground floor, described ground floor comprises tissue contacting surface;

The second layer, the described second layer is attached to described ground floor; With

The array of capillary channel, the array of described capillary channel is limited in described tissue contacting surface; And

Attachment part, described attachment part can be attached to described anvil block.

2. the compensating part according to embodiment 1, also comprises the medicine in the array being stored in described capillary channel.

3. the compensating part according to embodiment 1 or embodiment 2, also comprises the medicine be stored in the middle of described ground floor and the described second layer.

4. the compensating part according to any one of previous embodiment, the wherein said second layer also comprises the second array of capillary channel, and wherein said medicine is positioned in the second array of described capillary channel.

5. the compensating part according to any one of previous embodiment, the array of wherein said capillary channel and/or the second array of described capillary channel comprise crosshatch pattern.

6. the compensating part according to any one of embodiment 1-4, wherein said compensating part package also comprises inside and outward flange, and the array of wherein said capillary channel is included in the parallel channels extended between described inside and described outward flange.

7. the compensating part according to any one of previous embodiment, wherein said attachment part also comprises the slit that can extend in described anvil block.

8. the compensating part according to embodiment 7, at least some in wherein said capillary channel leads to described slit.

9. the compensating part according to any one of previous embodiment 1, wherein said ground floor is made up of the first material, and the wherein said second layer is made up of the second material, and wherein said first material is different from described second material.

10. the compensating part according to any one of previous embodiment, also comprise be limited to well in the middle of described ground floor and the described second layer recessed and be positioned at described well recessed in medicine.

11. compensating parts according to embodiment 10, each during wherein said well is recessed comprises opening.

12. 1 kinds of suturing assemblies used together with stiching instrument, described suturing assembly comprises:

Anvil block, described anvil block comprises at least one profiled surface that nail can be made to be out of shape;

First compensating part, described first compensating part is attached to described anvil block, and wherein said first compensating part comprises the array of the passage be defined in wherein;

Nail bin, described nail bin comprises the multiple nails be stored in removedly wherein; With

Second compensating part, described second compensating part is attached to described nail bin, wherein said second compensating part comprises the medicine be stored in wherein, and the one in wherein said anvil block and described nail bin can move towards another one, to contact with described second compensating part so that described first compensating part is placed to and described first compensating part will be transferred to from described second compensating part at least partially in described medicine.

13. suturing assemblies according to embodiment 12, wherein said first compensating part can absorb described medicine.

14. suturing assemblies according to embodiment 12 or embodiment 13, the array of wherein said passage can keep described medicine.

15. suturing assemblies according to any one of embodiment 12-14, wherein said first compensating part comprises the ground floor of the array with described capillary channel and is attached to the second layer of described ground floor.

16. 1 kinds of compensating parts, it can be attached to the anvil block of fastening instrument, and wherein said anvil block comprises profiled surface, and wherein said compensating part comprises:

Compensating part main body, described compensating part main body comprises tissue contacting surface and is limited to the array of the capillary channel in described tissue contacting surface;

Clamping surface, described clamping surface is positioned in the middle of described capillary channel; With

17. compensating parts according to embodiment 16, wherein said compensating part main body comprises ground floor and is attached to the second layer of described ground floor.

18. compensating parts according to embodiment 17, also comprise the medicine be stored in the middle of described ground floor and the described second layer.

19. compensating parts according to embodiment 17 or embodiment 18, the wherein said second layer also comprises the second array of capillary channel, and wherein said second medicine is positioned in the second array of described capillary channel.

20. compensating parts according to any one of embodiment 16-19, the array of wherein said capillary channel and/or the second array of described capillary channel comprise crosshatch pattern.

Accompanying drawing explanation

Carry out the following explanation with reference to the embodiment of the present invention in conjunction with the drawings, feature of the present invention and advantage and acquisition methods thereof will become more apparent, and can understand invention itself better, wherein:

Fig. 1 is the sectional view of surgical instruments embodiment;

Figure 1A is the perspective view of an embodiment of implanted nail bin;

Figure 1B-Fig. 1 E shows the part of the end effector using the clamping of implanted nail bin and suture tissue;

Fig. 2 is the partial cross-sectional side view of another end effector of the part being connected to surgical instruments, and its end effector supports surgery nail bin and its anvil block is in an open position;

Fig. 3 is another partial cross-sectional side view of the end effector of Fig. 2 in the close position;

Fig. 4 is end effector another partial cross-sectional side view when knife bar begins to pass end effector propelling of Fig. 2 and Fig. 3;

Fig. 5 is end effector another partial cross-sectional side view when knife bar is partly advanced through wherein of Fig. 2-Fig. 4;

Fig. 6 A-Fig. 6 D describes according at least one embodiment the distortion being positioned at the surgical staples can collapsed in nail bin body;

Fig. 7 A illustrates that be positioned at can the schematic diagram of nail in conquassation nail bin body;

Fig. 7 B be illustrate Fig. 7 A can conquassation nail bin body by the schematic diagram of anvil block conquassation;

Fig. 7 C be illustrate Fig. 7 A can conquassation nail bin body by the schematic diagram of the further conquassation of anvil block;

Fig. 7 D be illustrate the nail of Fig. 7 A be in complete shaped configuration and Fig. 7 A can be in the schematic diagram of complete conquassation condition by conquassation nail bin;

Fig. 8 is the top view of the nail bin according at least one embodiment, and this nail bin comprises the nail embedding and can collapse in nail bin body;

Fig. 9 is the front view of the nail bin of Fig. 8;

Figure 10 is the decomposition diagram of the embodiment of the alternative of compressible nail bin, this compressible nail bin comprise nail and for driving the system of nail against anvil block;

Figure 10 A is the partial sectional view of the embodiment of the alternative of the nail bin of Figure 10;

Figure 11 is the sectional view of the nail bin of Figure 10;

Figure 12 can traverse the nail bin of Figure 10 and the front view of the sliding part that nail is moved towards anvil block;

Figure 13 is the schematic diagram of staple drivers, and this staple drivers can be promoted towards anvil block by the sliding part of Figure 12;

Figure 14 is the perspective view of the nail bin according at least one embodiment of the present invention, and this nail bin comprises the rigid support part and compressible tissue thickness compensating part that use together with surgery suturing appliance;

Figure 15 is the partial exploded view of the nail bin of Figure 14;

Figure 16 is the complete exploded view of the nail bin of Figure 14;

Figure 17 is another exploded view of the nail bin of Figure 14, and this nail bin does not cover the wrappage of tissue thickness's compensating part;

Figure 18 is the warehouse of the nail bin of Figure 14 or the perspective view of support section;

Figure 19 is the top perspective of sliding part, and this sliding part can move to dispose nail from nail bin in the nail bin of Figure 14;

Figure 20 is the bottom perspective view of the sliding part of Figure 19;

Figure 21 is the front view of the sliding part of Figure 19;

Figure 22 is the top perspective of driver, and this driver can support one or more nail and upwards be promoted to be penetrated from nail bin by nail by the sliding part of Figure 19;

Figure 23 is the bottom perspective view of the driver of Figure 22;

Figure 24 is can at least in part around the wrappage of the compressible tissue thickness compensating part of nail bin;

Figure 25 is the partial sectional view of nail bin, and this nail bin comprises rigid support part and compressible tissue thickness compensating part, show nail during First ray never firing position move to firing position;

Figure 26 is the front view of the nail bin of Figure 25;

Figure 27 is the thin portion front view of the nail bin of Figure 25;

Figure 28 is the section end view of the nail bin of Figure 25;

Figure 29 is the bottom view of the nail bin of Figure 25;

Figure 30 is the thin portion bottom view of the nail bin of Figure 25;

Figure 31 is the longitudinal sectional view of nail bin and anvil block in the close position, and this nail bin comprises rigid support part and compressible tissue thickness compensating part, show nail during First ray never firing position move to firing position;

Figure 32 is the anvil block of Figure 31 and another sectional view of nail bin, it illustrates anvil block in an open position after percussion sequence completes;

Figure 33 is the local detail drawing of the nail bin of Figure 31, it illustrates the nail being in non-firing position;

Figure 34 is the cross-section front view of nail bin, and this nail bin comprises rigid support part and compressible tissue thickness compensating part, shows the nail being in non-firing position;

Figure 35 is the detail drawing of the nail bin of Figure 34;

Figure 36 is the front view of nail bin and anvil block in an open position, and this nail bin comprises rigid support part and compressible tissue thickness compensating part, shows the nail being in non-firing position;

Figure 37 is the front view of nail bin and anvil block in the close position, and this nail bin comprises rigid support part and compressible tissue thickness compensating part, shows the nail being in non-firing position and the tissue be trapped between anvil block and tissue thickness's compensating part;

Figure 38 is the anvil block of Figure 37 and the detail drawing of nail bin;

Figure 39 is the front view of nail bin and anvil block in the close position, and this nail bin comprises rigid support part and compressible tissue thickness compensating part, shows the nail being in non-firing position, shows the thicker tissue be positioned between anvil block and nail bin;

Figure 40 is the anvil block of Figure 39 and the detail drawing of nail bin;

Figure 41 is the anvil block of Figure 39 and the front view of nail bin, it illustrates the tissue with different-thickness be positioned between anvil block and nail bin;

Figure 42 is the anvil block of Figure 39 and the detail drawing of nail bin, as shown in figure 41;

Figure 43 shows the schematic diagram to tissue thickness's compensating part that the different tissues thickness be trapped in different nail compensates;

Figure 44 shows tissue thickness's compensating part to the schematic diagram being applied compression pressure by one or more blood vessel of nail line crosscut;

Figure 45 shows the schematic diagram of the imappropriate situation about being shaped of wherein one or more nails;

Figure 46 shows the schematic diagram of tissue thickness's compensating part that can compensate appropriately not become staple;

Figure 47 shows the schematic diagram of the tissue thickness's compensating part be positioned in tissue regions that wherein multiple nail line intersects;

Figure 48 shows the schematic diagram of the tissue be trapped in nail;

Figure 49 shows the schematic diagram being trapped in tissue in nail and tissue thickness's compensating part;

Figure 50 shows the schematic diagram of the tissue be trapped in nail;

Figure 51 shows the schematic diagram being trapped in thick tissue in nail and tissue thickness's compensating part;

Figure 52 shows the schematic diagram being trapped in thin tissue in nail and tissue thickness's compensating part;

Figure 53 shows the schematic diagram of the tissue thickness's compensating part be trapped in nail and the tissue with interior thickness;

Figure 54 shows the schematic diagram of the tissue thickness's compensating part be trapped in nail and the tissue with another interior thickness;

Figure 55 shows the schematic diagram being trapped in thick tissue in nail and tissue thickness's compensating part;

Figure 56 is the partial sectional view of the end effector of surgery suturing appliance, it illustrates be in retraction, non-firing position trigger shaft and nail percussion sliding part;

Figure 57 is another partial sectional view of the end effector of Figure 56, it illustrates and is in trigger shaft and the nail percussion sliding part that part advances position;

Figure 58 is the sectional view of the end effector of Figure 56, it illustrates the trigger shaft being in propelling or firing position completely;

Figure 59 is the sectional view of the end effector of Figure 56, it illustrates and is being in the trigger shaft of advanced position after being pulled the trigger and is staying the nail percussion sliding part of its complete firing position;

Figure 60 is the detail drawing being in the trigger shaft of advanced position of Figure 59;

Figure 61 is the exploded view comprising the keeper assembly of keeper and Liang Ge tissue thickness compensating part according at least one embodiment;

Figure 62 is the perspective view of the keeper assembly shown in Figure 61;

Figure 63 is the perspective view of the anvil block that can use together with the keeper assembly of Figure 61;

Figure 64 is the diagram that the keeper assembly shown in Figure 61 is shown, described keeper assembly is inserted in the end effector of surgical stapling device, and described end effector comprises anvil block and nail bin;

Figure 65 is the side view of the keeper assembly shown in Figure 61 engaged with the nail bin of Figure 64;

Figure 66 is the side view of the keeper assembly shown in Figure 61 engaged with the nail bin of Figure 64 and anvil block, it illustrates anvil block in the close position;

Figure 67 is the side view of the keeper assembly of the Figure 61 shifted out from the end effector of Figure 64;

Figure 68 is the perspective view of keeper;

Figure 69 is the keeper of Figure 68 and is attached to the side view of tissue thickness's compensating part of its lower surface and top surface, it illustrates in the tissue thickness's compensating part engaged with the nail bin in the surgical stapling device comprising anvil block;

Figure 70 is the side view of the anvil block that Figure 69 in the close position is shown;

Figure 71 is the decomposition diagram of keeper according at least one embodiment and tissue thickness's compensating part;

Figure 72 is the decomposition diagram of tissue thickness's compensating part of Figure 71 and the anvil block of surgical stapling device;

Figure 73 is the exploded top perspective view of keeper according at least one embodiment and tissue thickness's compensating part;

Figure 74 is the keeper of Figure 73 and the exploded bottom perspective view of tissue thickness's compensating part;

Figure 75 is the keeper of the Figure 73 engaged with surgical stapling device and the top perspective of tissue thickness's compensating part;

Figure 76 is the keeper of the Figure 73 engaged with the surgical stapling device of Figure 75 and the bottom perspective view of tissue thickness's compensating part;

Figure 77 is the keeper of the Figure 73 engaged with the surgical stapling device of Figure 75 and the side view of tissue thickness's compensating part;

Figure 78 is the keeper of Figure 73 and the bottom perspective view of tissue thickness's compensating part, it illustrates tissue thickness's compensating part of the surgical stapling device being attached to Figure 75;

Figure 79 is the keeper of Figure 73 and the top perspective of tissue thickness's compensating part, it illustrates tissue thickness's compensating part of the anvil block being attached to Figure 78;

Figure 80 is the side view of tissue thickness's compensating part of the Figure 73 of the anvil block being attached to Figure 78;

Figure 81 is attached to the keeper of the nail bin of surgical stapling device and Figure 73 and Figure 74 of passage and the sectional view of tissue thickness's compensating part;

Figure 82 is the keeper of the nail bin of the surgical stapling device being attached to Figure 81 and Figure 73 and Figure 74 of passage and the sectional view of tissue thickness's compensating part, it illustrates the anvil block of the surgical stapling device engaged with tissue thickness compensating part;

Figure 83 be attached to surgical stapling device anvil block and just moving away from the sectional view of tissue thickness's compensating part of Figure 73 of keeper;

Figure 84 is the sectional view of the keeper assembly according at least one embodiment, and described keeper assembly comprises keeper, is arranged on the tissue thickness's compensating part on the first surface of keeper and second surface and the adapter through the hole in keeper;

Figure 85 is the perspective view of the keeper assembly of Figure 84, and a part for the compensating part of tissue thickness shown in it is removed because of diagram object;

Figure 86 is the side view of the keeper assembly of the Figure 84 engaged with surgical stapling device, and described surgical stapling device comprises the anvil block being shown in open position;

Figure 87 is the keeper assembly of Figure 84 and is shown in the side view of anvil block of Figure 86 of make position;

Figure 88 is the side view of the keeper assembly of Figure 84, it illustrates just from the keeper shifted out between tissue thickness's compensating part of keeper assembly;

Figure 89 is the side view of the keeper shifted out from tissue thickness's compensating part of Figure 84;

Figure 90 be according at least one embodiment can the perspective view of keeper of anvil block of fusion surgery stiching instrument;

Figure 91 is the top view of the keeper of Figure 90;

Figure 92 is the side view of the keeper of Figure 90;

Figure 93 is the bottom view of the keeper of Figure 90;

Figure 94 shows keeper assembly, and described keeper assembly comprises the keeper of Figure 90 and is attached to tissue thickness's compensating part of the nail bin for surgical stapling device;

Figure 95 shows keeper assembly and the nail bin of Figure 94 of the anvil block of the end effector of fusion surgery stiching instrument;

Figure 96 shows keeper assembly and the nail bin of Figure 94 of the anvil block of the end effector of the surgical stapling device engaging Figure 95;

Figure 97 shows keeper assembly and the nail bin of the Figure 94 on the anvil block of the surgical stapling device being bonded on Figure 95;

Figure 98 shows the keeper assembly of the Figure 94 on the anvil block of the surgical stapling device being bonded on Figure 95 and nail bin and is just moving to the anvil block of make position;

Figure 99 shows the anvil block of the surgical stapling device of Figure 95 in an open position, and described anvil block has the keeper of tissue thickness's compensating part of being attached to it and the nail bin channel engagement with surgical stapling device;

Figure 100 shows and the keeper of Figure 94 of the nail bin channel engagement of the surgical stapling device of Figure 95 and anvil block in an open position;

Figure 101 is the sectional view of the keeper comprising tissue thickness's compensating part, and described tissue thickness compensating part comprises can the projection of anvil block of fusion surgery stiching instrument or the wing;

Figure 102 is the sectional view of the keeper comprising tissue thickness's compensating part, and described tissue thickness compensating part comprises can the bearing sleeve of anvil block of fusion surgery stiching instrument;

Figure 103 comprises by the perspective view of the keeper of hinged two plates according at least one embodiment;

Figure 104 is the side view of the keeper of Figure 103;

Figure 105 is the rear view of the embodiment of the insertion tool that can use together with the keeper of Figure 103;

Figure 106 is the top perspective of the insertion tool of Figure 105;

Figure 107 is the rear view of the insertion tool of Figure 105, and wherein a part for insertion tool is removed because of diagram object;

Figure 108 is the side view of the insertion tool of Figure 105, and wherein a part for insertion tool is removed because of diagram object;

Figure 109 is the top view of the insertion tool of Figure 105;

Figure 110 is the perspective view of keeper assembly, described keeper assembly comprises the keeper of Figure 103, the tissue thickness's compensating part be positioned on keeper, the insertion tool of Figure 105 that is positioned at the nail bin on keeper and engages with keeper, and wherein a part for insertion tool is removed because diagram object;

Figure 111 is the side view of keeper assembly, the keeper that described keeper assembly comprises Figure 103, the insertion tool of Figure 105 being positioned at the tissue thickness's compensating part on keeper and engaging with keeper, wherein a part for insertion tool is removed because diagram object;

Figure 112 shows the keeper assembly of the Figure 110 be inserted in the surgical instruments comprising anvil block and nail bin passage, and wherein a part for insertion tool is removed because of diagram object;

Figure 113 shows the keeper assembly of the Figure 110 be inserted in the surgical instruments comprising anvil block and nail bin passage, and wherein a part for insertion tool is removed because of diagram object;

Figure 114 shows and just moves to engage the nail bin in nail bin passage and the insertion tool of Figure 105 of tissue thickness's compensating part of joint companion anvil block relative to keeper, and wherein a part for insertion tool is removed because diagram object;

Figure 115 shows the insertion tool just moving Figure 105 that keeper is departed from from tissue thickness's compensating part and nail bin relative to keeper, and wherein a part for insertion tool is removed because of diagram object;

Figure 116 is the sectional view being attached to tissue thickness's compensating part of the anvil block of surgery suturing appliance according at least one embodiment;

Figure 117 is the schematic diagram that distortion nail is shown, tissue thickness's compensating part of Figure 116 caught wherein at least in part by described distortion nail;

Figure 118 is the sectional view comprising the end effector of the surgery suturing appliance of nail bin and anvil block according at least one embodiment, and described nail bin comprises first tissue thickness's compensating part, and described anvil block comprises minor microstructure thickness compensation part;

Figure 119 is the sectional view of the end effector of Figure 118, it illustrates the nail that the never firing position deriving from nail bin moves to firing position;

Figure 120 is the perspective view being attached to tissue thickness's compensating part of the anvil block of end effector according at least one embodiment, and wherein tissue thickness's compensating part comprises multiple capsule;

Figure 120 A is the fragmentary, perspective view of tissue thickness's compensating part of Figure 120;

Figure 121 is that just never firing position moves to firing position to pierce through the sectional view of the nail of the capsule of tissue thickness's compensating part of Figure 120;

Figure 122 is the exploded view of anvil block according at least one embodiment and tissue thickness's compensating part;

Figure 123 is the sectional view of anvil block according at least one embodiment and tissue thickness's compensating part, and described anvil block comprises multiple nail shaping pit, and described tissue thickness compensating part comprises the multiple capsules alignd with shaping pit;

Figure 124 is the detail drawing of the capsule of tissue thickness's compensating part of Figure 123;

Figure 125 illustrates that the nail of the nail bin by deriving from the opposite side being positioned at tissue is sewed up by described tissue relative to organizing the anvil block of Figure 123 and the schematic diagram of tissue thickness's compensating part that position;

Figure 126 illustrates just towards the anvil block of Figure 123 of the nail bin movement of Figure 125 and the schematic diagram of nail of partly pulling the trigger from nail bin;

Figure 127 is the schematic diagram of the capsule of tissue thickness's compensating part that the nail being in the Figure 126 pulling the trigger configuration completely and the Figure 123 being in state of rupture are shown;

Figure 128 is the schematic diagram of the nail that the Figure 126 being in non-cock is shown;

Figure 129 is the schematic diagram of tissue thickness's compensating part that the nail being in the Figure 126 pulling the trigger configuration completely and the Figure 123 being at least part of crosscut state are shown;

Figure 130 is the profile perspective of the embodiment of the alternative of tissue thickness's compensating part according at least one embodiment;

Figure 131 is the perspective view of the embodiment of the alternative of tissue thickness's compensating part, and described tissue thickness compensating part comprises the multiple capsules alignd with the cutting element of surgery suturing appliance;

Figure 132 is the detail drawing of the capsule of Figure 131;

Figure 133 is the sectional view of tissue thickness's compensating part of Figure 131, and described tissue thickness compensating part comprises the multiple capsules alignd with the cutter slit of the anvil block of surgery suturing appliance;

Figure 134 and Figure 135 shows the embodiment of the alternative of the tissue thickness's compensating part being just attached to anvil block;

Figure 136 is the sectional exploded view of anvil block according at least one embodiment and compensating part;

Figure 137 shows the compensating part of the Figure 136 being attached to anvil block;

Figure 138 is according to tissue thickness's compensating part of at least one embodiment and the fragmentary, perspective view of cutting element cutting and organizing thickness compensation part;

Figure 139 is the partial sectional view of the embodiment of the alternative of tissue thickness's compensating part according at least one embodiment;

Figure 140 is the partial sectional view of another embodiment selected else according to tissue thickness's compensating part of at least one embodiment;

Figure 141 is the schematic diagram of the tissue thickness's compensating part illustrated according to various embodiment, and described tissue thickness compensating part comprises multiple irregular and/or asymmetrical cavity;

Figure 142 is the partial sectional view being attached to tissue thickness's compensating part of the anvil block of surgery suturing appliance according at least one embodiment;

Figure 143 is the seamless perspective view extruding housing or outer tube of the tissue thickness's compensating part according at least one embodiment;

Figure 144 is another the seamless perspective view extruding housing or outer tube according to tissue thickness's compensating part of at least one embodiment;

Figure 145 is the perspective view of oxidized regenerated cellulose fiber;

Figure 146 is the perspective view of the oxidized regenerated cellulose fiber of the fiber being shorter than Figure 145;

Figure 147 illustrates the schematic diagram just utilizing the fiber weaving of Figure 146 to become the fiber of Figure 145 of strand;

Figure 148 shows just by loose and just by the strand of Figure 147 cut at least in part;

Figure 149 shows the housing or outer tube that are inserted through tissue thickness's compensating part and is oriented to the grasper of the strand of promptly Figure 147;

Figure 150 shows the grasper of the Figure 149 just exited from sleeve pipe and is just being pulled the strand of the Figure 147 through housing;

Figure 151 shows housing and the strand of just divided Figure 150;

Figure 152 shows the end just carrying out the housing adding thermal weld and/or sealing;

Figure 153 shows the method for generation of tissue thickness's compensating part without transverse joint;

Figure 154 shows the anvil block of surgical stapling device and is optionally attached to multiple compensating parts of anvil block, and each wherein in compensating part comprises the array of capillary channel;

Figure 155 is the plane graph of the compensating part that can be attached to anvil block;

Figure 156 is the detail drawing of a part for the compensating part of Figure 155;

Figure 157 is the perspective view of the end effector of surgery suturing appliance;

Figure 158 is another perspective view of the end effector of Figure 157, it illustrates the fluid be arranged on tissue thickness's compensating part of end effector;

Figure 159 is another perspective view of the end effector of Figure 159, it illustrates the compensating part of the anvil block being attached to end effector;

Figure 160 is the detail drawing of the array of the capillary channel be positioned on the compensating part of Figure 159;

Figure 161 is the exploded view comprising the compensating part of multiple layers according at least one embodiment;

Figure 162 is the exploded view of compensating part according to the surgery suturing appliance of at least one embodiment and anvil block;

Figure 163 is the compensating part of Figure 162 and the partial sectional view of anvil block;

Figure 164 is the exploded view comprising the compensating part of cell ingrowth substrate according at least one embodiment;

Figure 165 is the perspective view of the compensating part of Figure 164;

Figure 166 is the perspective view of the fibrous material layer for compensating part;

Figure 167 is the multiple fibrolaminar perspective view overlie one another together according at least one embodiment;

Figure 168 is another the multiple fibrolaminar perspective view overlie one another together according at least one embodiment;

Figure 169 is the perspective view of the fibrous material layer for compensating part;

Figure 170 is the multiple fibrolaminar perspective view overlie one another together according at least one embodiment, and wherein said fiber is arranged along different directions;

Figure 171 is another the multiple fibrolaminar perspective view overlie one another together according at least one embodiment;

Figure 172 is the perspective view of end effector insert according to the surgical instruments of at least one embodiment and end effector;

Figure 173 is the front view being positioned at the tissue thickness's compensating part in the end effector of surgical instruments according at least one embodiment;

Figure 174 is the front view being positioned at the tissue thickness's compensating part in the end effector of surgical instruments according at least one embodiment;

Figure 175 is the perspective view according to the sleeve pipe on the anvil block being positioned at the end effector of surgical instruments of at least one embodiment;

Figure 176 is the plane graph of the furcation of the sleeve pipe of Figure 175;

Figure 177 is the front view of the furcation of the sleeve pipe of Figure 175;

Figure 178 is the end-view of the furcation of the sleeve pipe of Figure 175;

Figure 179 is the perspective view of the furcation of the sleeve pipe of Figure 175;

Figure 180 is the plane graph organizing compensating part of the sleeve pipe according at least one embodiment;

Figure 181 is the perspective view organizing compensating part of Figure 180;

Figure 182 is the front view organizing compensating part of Figure 180;

Figure 183 is the plane graph organizing compensating part of the sleeve pipe according at least one embodiment;

Figure 184 is the perspective view organizing compensating part of Figure 183;

Figure 185 is the front view organizing compensating part of Figure 183;

Figure 186 is the perspective view of the nose of the sleeve pipe of Figure 175;

Figure 187 is another perspective view of the nose of Figure 186;

Figure 188 is the plane graph of the nose of Figure 186, and it show in phantom internal geometry;

Figure 189 is the front view of the nose of Figure 186, and it show in phantom internal geometry;

Figure 190 is another perspective view of the sleeve pipe of the Figure 175 be positioned on anvil block;

Figure 191 is the plane graph of the sleeve pipe of the Figure 175 be positioned on anvil block;

Figure 192 is the front view of the sleeve pipe of the Figure 175 be positioned on anvil block;

Figure 193 is the plane graph of the sleeve pipe of the Figure 175 be positioned on anvil block, it illustrates with the translation trigger shaft of dotted line display;

Figure 194 is the front view of the sleeve pipe of the Figure 175 be positioned on anvil block, it illustrates with the translation trigger shaft of dotted line display;

Figure 195 is the plane graph of the sleeve pipe of the Figure 175 be positioned on anvil block, it illustrates the nose from sleeve pipe release;

Figure 196 is the front view of the sleeve pipe of the Figure 175 be positioned on anvil block, it illustrates the nose from sleeve pipe release;

Figure 197 is the plane graph of the sleeve pipe of the Figure 175 be positioned on anvil block, and it show in phantom trigger shaft and shows the nose from sleeve pipe release;

Figure 198 is the front view of the sleeve pipe of the Figure 175 be positioned on anvil block, and it show in phantom trigger shaft and shows the nose from sleeve pipe release;

Figure 199 is the fragmentary, perspective view of the sleeve pipe of Figure 197, anvil block and trigger shaft;

Figure 200 is another fragmentary, perspective view of the sleeve pipe of Figure 197, anvil block and trigger shaft;

Figure 20 1 is the sleeve pipe of Figure 175 and the positive view of anvil block;

Figure 20 2 is positive views of the anvil block of Figure 175, it illustrates from sleeve pipe release organize compensating part;

Figure 20 3 is plane graphs of the end effector insert according at least one embodiment;

Figure 20 4 is front views of the end effector insert of Figure 20 3;

Figure 20 5 is perspective views of the end effector insert of Figure 20 5;

Figure 20 6 is fragmentary, perspective views of the end effector insert of Figure 20 3, it illustrates the end effector insert of the anvil block of the end effector of fusion surgery apparatus;

Figure 20 7 is fragmentary, perspective views of the end effector insert of Figure 20 3, it illustrates the end effector insert of the nail bin of the end effector of fusion surgery apparatus;

Figure 20 8 is front views of the end effector insert of Figure 20 3, it illustrates the end effector insert of the end effector of fusion surgery apparatus;

Figure 20 9 is front views of the end effector insert of the Figure 20 3 be positioned in the end effector of surgical instruments;

Figure 21 0 is the perspective view being positioned at the tissue thickness's compensating part in end effector according at least one embodiment, and a part for the compensating part of tissue thickness shown in it is cut;

Figure 21 1 is the perspective view of the tissue thickness's compensating part being fixed to Figure 21 0 of the anvil block of end effector by electrostatic charge;

Figure 21 2 is the perspective views of the tissue thickness's compensating part being fixed to Figure 21 0 of the anvil block of end effector by suction element;

Figure 21 3 is the perspective views of the tissue thickness's compensating part being fixed to Figure 21 0 of the anvil block of end effector by hook-loop securing member;

Figure 21 4 is the fragmentary, perspective views being fixed to tissue thickness's compensating part of Figure 21 0 of the anvil block of end effector by band;

Figure 21 5 is the fragmentary, perspective views of the tissue thickness's compensating part being fixed to Figure 21 0 of the anvil block of end effector by the bearing sleeve at the distal end place of tissue thickness's compensating part;

Figure 21 6 is the partial perspective sectional view being fixed to tissue thickness's compensating part of the anvil block of the end effector of surgical instruments according at least one embodiment;

Figure 21 7 is positive views of tissue thickness's compensating part of Figure 21 6;

Figure 21 8 is another positive views of tissue thickness's compensating part of Figure 21 6;

Figure 21 9 is the positive views being fixed to tissue thickness's compensating part of the anvil block of the end effector of surgical instruments according at least one embodiment, it illustrates breech lock in the close position;

Figure 22 0 is the positive view of tissue thickness's compensating part of Figure 21 9, it illustrates breech lock in an open position;

Figure 22 1 is the positive view being fixed to tissue thickness's compensating part of the anvil block of the end effector of surgical instruments according at least one embodiment;

Figure 22 2 is the positive views being fixed to tissue thickness's compensating part of the anvil block of the end effector of surgical instruments according at least one embodiment;

Figure 22 3 is the positive views being fixed to tissue thickness's compensating part of the anvil block of the end effector of surgical instruments according at least one embodiment;

Figure 22 4 is the positive views being fixed to tissue thickness's compensating part of the anvil block of the end effector of surgical instruments according at least one embodiment;

Figure 22 5 is the perspective sectional exploded views being fixed to tissue thickness's compensating part of the anvil block of the end effector of surgical instruments according at least one embodiment;

Figure 22 6 is perspective views of tissue thickness's compensating part of Figure 22 5, it illustrates the tissue thickness's compensating part towards anvil block movement;

Figure 22 7 is positive views of tissue thickness's compensating part of the Figure 22 5 engaged with anvil block;

Figure 22 8 is the perspective cut-away schematic view being fixed to tissue thickness's compensating part of the anvil block of the end effector of surgical instruments according at least one embodiment;

Figure 22 9 is tissue thickness's compensating part of Figure 22 8 and the perspective sectional exploded view of anvil block;

Figure 23 0 is the front view of the tissue thickness's compensating part according at least one embodiment;

Figure 23 1 is the perspective view of the tissue thickness's compensating plate shown in Figure 23 0;

Figure 23 2 is another perspective views of tissue thickness's compensating part of Figure 23 0;

Figure 23 3 is perspective views of tissue thickness's compensating part of Figure 23 0, it illustrates tissue thickness's compensating part of the anvil block movement of the end effector towards surgical instruments;

Figure 23 4 is sectional views of tissue thickness's compensating part of the Figure 23 0 be positioned on anvil block;

Figure 23 5 is perspective views of tissue thickness's compensating part of the Figure 23 0 be positioned on anvil block;

Figure 23 6 is perspective views of tissue thickness's compensating part of the Figure 23 0 be positioned on anvil block, it illustrates the cutting element cutting off tissue thickness's compensating part;

Figure 23 7 is sectional front views of the end effector of surgery suturing appliance according at least one embodiment, and described end effector comprises anvil block and charged layer;

Figure 23 8 is the anvil block of Figure 23 7 and the bottom view of charged layer;

Figure 23 9 is exploded views of the anvil block of Figure 23 7 and charged layer and the tissue thickness's compensating part being attached to charged layer releasedly;

Figure 24 0 is the perspective view of the tissue thickness's compensating part according at least one embodiment;

Figure 24 1 is the plane graph of tissue thickness's compensating part of Figure 24 0;

Figure 24 0A is the perspective view of the tissue thickness's compensating part according at least one embodiment selected else;

Figure 24 1A is the plane graph of tissue thickness's compensating part of Figure 24 0A;

Figure 24 2 is perspective views of the tissue thickness's compensating part according at least one embodiment selected else;

Figure 24 3 is plane graphs of tissue thickness's compensating part of Figure 24 2;

Figure 24 4 is perspective views of the tissue thickness's compensating part according at least one embodiment;

Figure 24 5 is the perspective views being attached to tissue thickness's compensating part of anvil block according at least one embodiment;

Figure 24 6 is the anvil block of Figure 24 5 and the sectional view of tissue thickness's compensating part;

Figure 24 7 is cross-sectional details figure of tissue thickness's compensating part of Figure 24 5;

Figure 24 8 is perspective views being attached to tissue thickness's compensating part of anvil block of the embodiment according at least one alternative;

Figure 24 9 is the anvil block of Figure 24 8 and the sectional view of tissue thickness's compensating part;

Figure 25 0 is the sectional view of the tissue thickness's compensating part being in the Figure 24 8 opening configuration;

Figure 25 1 is the perspective view being attached to tissue thickness's compensating part of anvil block of the embodiment according at least one alternative;

Figure 25 2 is the anvil block of Figure 25 1 and the sectional view of tissue thickness's compensating part;

Figure 25 3 is perspective views being attached to tissue thickness's compensating part of anvil block of the embodiment according at least one alternative;

Figure 25 4 is the anvil block of Figure 25 3 and the sectional view of tissue thickness's compensating part;

Figure 25 5 is perspective views being attached to tissue thickness's compensating part of anvil block of the embodiment according at least one alternative;

Figure 25 6 is the anvil block of Figure 25 5 and the sectional view of tissue thickness's compensating part;

Figure 25 7 is perspective views being attached to tissue thickness's compensating part of anvil block of the embodiment according at least one alternative; And

Figure 25 8 is the anvil block of Figure 25 7 and the sectional view of tissue thickness's compensating part.

Run through multiple view, the parts that corresponding reference marks instruction is corresponding.The example illustrated herein shows some embodiment of the present invention in one form, and this type of example should be interpreted as and limit the scope of the invention by any way.

Detailed description of the invention

The applicant of the application also has following U.S. Patent application, and these patent applications are incorporated to herein by reference separately completely:

Name is called the U.S. Patent Application Serial Number 12/894,311 of " SURGICAL INSTRUMENTS WITH RECONFIGURABLESHAFT SEGMENTS " (attorney END6734USNP/100058);

Name is called the U.S. Patent Application Serial Number 12/894,340 of " SURGICAL STAPLE CARTRIDGES SUPPORTING NON-LINEARLY ARRANGED STAPLES AND SURGICAL STAPLINGINSTRUMENTS WITH COMMON STAPLE-FORMING POCKETS " (attorney END6735USNP/100059);

Name is called the U.S. Patent Application Serial Number 12/894,327 of " JAW CLOSURE ARRANGEMENTS FOR SURGICALINSTRUMENTS " (attorney END6736USNP/100060);

Name is called the U.S. Patent Application Serial Number 12/894,351 of " SURGICAL CUTTING AND FASTENING INSTRUMENTSWITH SEPARATE AND DISTINCT FASTENER DEPLOYMENT ANDTISSUE CUTTING SYSTEMS " (attorney END6839USNP/100524);

Name is called the U.S. Patent Application Serial Number 12/894,338 of " IMPLANTABLE FASTENER CARTRIDGE HAVING A NON-UNIFORM ARRANGEMENT " (attorney END6840USNP/100525);

Name is called the U.S. Patent Application Serial Number 12/894,369 of " IMPLANTABLE FASTENER CARTRIDGE COMPRISING ASUPPORT RETAINER " (attorney END6841USNP/100526);

Name is called the U.S. Patent Application Serial Number 12/894,312 of " IMPLANTABLE FASTENER CARTRIDGE COMPRISINGMULTIPLE LAYERS " (attorney END6842USNP/100527);

Name is called the U.S. Patent Application Serial Number 12/894,377 of " SELECTIVELY ORIENTABLE IMPLANTABLE FASTENERCARTRIDGE " (attorney END6843USNP/100528);

Name is called the U.S. Patent Application Serial Number 12/894,339 of " SURGICAL STAPLING INSTRUMENT WITH COMPACTARTICULATION CONTROL ARRANGEMENT " (attorney END6847USNP/100532);

Name is called the U.S. Patent Application Serial Number 12/894,360 of " SURGICAL STAPLING INSTRUMENT WITH A VARIABLESTAPLE FORMING SYSTEM " (attorney END6848USNP/100533);

Name is called the U.S. Patent Application Serial Number 12/894,322 of " SURGICAL STAPLING INSTRUMENT WITHINTERCHANGEABLE STAPLE CARTRIDGE ARRANGEMENTS " (attorney END6849USNP/100534);

Name is called the U.S. Patent Application Serial Number 12/894,350 of " SURGICAL STAPLE CARTRIDGES WITH DETACHABLESUPPORT STRUCTURES AND SURGICAL STAPLING INSTRUMENTSWITH SYSTEMS FOR PREVENTING ACTUATION MOTIONS WHEN ACARTRIDGE IS NOT PRESENT " (attorney END6855USNP/100540);

Name is called the U.S. Patent Application Serial Number 12/894,383 of " IMPLANTABLE FASTENER CARTRIDGE COMPRISINGBIOABSORBABLE LAYERS " (attorney END6856USNP/100541);

Name is called the U.S. Patent Application Serial Number 12/894,389 of " COMPRESSIBLE FASTENER CARTRIDGE " (attorney END6857USNP/100542);

Name is called the U.S. Patent Application Serial Number 12/894,345 of " FASTENERS SUPPORTED BY A FASTENER CARTRIDGESUPPORT " (attorney END6858USNP/100543);

Name is called the U.S. Patent Application Serial Number 12/894,306 of " COLLAPSIBLE FASTENER CARTRIDGE " (attorney END6859USNP/100544);

Name is called the U.S. Patent Application Serial Number 12/894,318 of " FASTENER SYSTEM COMPRISING A PLURALITY OFCONNECTED RETENTION MATRIX ELEMENTS " (attorney END6860USNP/100546);

Name is called the U.S. Patent Application Serial Number 12/894,330 of " FASTENER SYSTEM COMPRISING A RETENTIONMATRIX AND AN ALIGNMENT MATRIX " (attorney END6861USNP/100547);

Name is called the U.S. Patent Application Serial Number 12/894,361 of " FASTENER SYSTEM COMPRISING A RETENTIONMATRIX " (attorney END6862USNP/100548);

Name is called the U.S. Patent Application Serial Number 12/894,367 of " FASTENER SYSTEM COMPRISING A RETENTIONMATRIX " (attorney END6863USNP/100549);

Name is called the U.S. Patent Application Serial Number 12/894,388 of " FASTENER SYSTEM COMPRISING A RETENTIONMATRIX AND A COVER " (attorney END6864USNP/100550);

Name is called the U.S. Patent Application Serial Number 12/894,376 of " FASTENER SYSTEM COMPRISING A PLURALITY OFFASTENER CARTRIDGES " (attorney END6865USNP/100551);

Name is called the U.S. Patent Application Serial Number 13/097,865 of " SURGICAL STAPLER ANVIL COMPRISING A PLURALITYOF FORMING POCKETS " (attorney END6735USCIP1/100059CIP1);

Name is called the U.S. Patent Application Serial Number 13/097,936 of " TISSUE THICKNESS COMPENSATOR FOR A SURGICALSTAPLER " (attorney END6736USCIP1/100060CIP1);

Name is called the U.S. Patent Application Serial Number 13/097,954 of " STAPLE CARTRIDGE COMPRISING A VARIABLETHICKNESS COMPRESSIBLE PORTION " (attorney END6840USCIP1/100525CIP1);

Name is called the U.S. Patent Application Serial Number 13/097,856 of " STAPLE CARTRIDGE COMPRISING STAPLESPOSITIONED WITHIN A COMPRESSIBLE PORTION THEREOF " (attorney END6841USCIP1/100526CIP1);

Name is called the U.S. Patent Application Serial Number 13/097,928 of " TISSUE THICKNESS COMPENSATOR COMPRISINGDETACHABLE PORTIONS " (attorney END6842USCIP1/100527CIP1);

Name is called the U.S. Patent Application Serial Number 13/097,891 of " TISSUE THICKNESS COMPENSATOR FOR A SURGICALSTAPLER COMPRISING AN ADJUSTABLE ANVIL " (attorney END6843USCIP1/100528CIP1);

Name is called the U.S. Patent Application Serial Number 13/097,948 of " STAPLE CARTRIDGE COMPRISING AN ADJUSTABLEDISTAL PORTION " (attorney END6847USCIP1/100532CIP1);

Name is called the U.S. Patent Application Serial Number 13/097,907 of " COMPRESSIBLE STAPLE CARTRIDGE ASSEMBLY " (attorney END6848USCIP1/100533CIP1);

Name is called the U.S. Patent Application Serial Number 13/097,861 of " TISSUE THICKNESS COMPENSATOR COMPRISINGPORTIONS HAVING DIFFERENT PROPERTIES " (attorney END6849USCIP1/100534CIP1);

Name is called the U.S. Patent Application Serial Number 13/097,869 of " STAPLE CARTRIDGE LOADING ASSEMBLY " (attorney END6855USCIP1/100540CIP1);

Name is called the U.S. Patent Application Serial Number 13/097,917 of " COMPRESSIBLE STAPLE CARTRIDGE COMPRISINGALIGNMENT MEMBERS " (attorney END6856USCIP1/100541CIP1);

Name is called the U.S. Patent Application Serial Number 13/097,873 of " STAPLE CARTRIDGE COMPRISING A RELEASABLEPORTION " (attorney END6857USCIP1/100542CIP1);

Name is called the U.S. Patent Application Serial Number 13/097,938 of " STAPLE CARTRIDGE COMPRISING COMPRESSIBLEDISTORTION RESISTANT COMPONENTS " (attorney END6858USCIP1/100543CIP1);

Name is called the U.S. Patent Application Serial Number 13/097,924 of " STAPLE CARTRIDGE COMPRISING A TISSUE THICKNESSCOMPENSATOR " (attorney END6859USCIP1/100544CIP1);

Name is called the U.S. Patent Application Serial Number 13/242,029 of " SURGICAL STAPLER WITH FLOATING ANVIL " (attorney END6841USCIP2/100526CIP2);

Name is called the U.S. Patent Application Serial Number 13/242,066 of " CURVED END EFFECTOR FOR A STAPLINGINSTRUMENT " (attorney END6841USCIP3/100526CIP3);

Name is called the U.S. Patent Application Serial Number 13/242,086 of " STAPLE CARTRIDGE INCLUDING COLLAPSIBLE DECK " (attorney END7020USNP/110374);

Name is called the U.S. Patent Application Serial Number 13/241,912 of " STAPLE CARTRIDGE INCLUDING COLLAPSIBLE DECKARRANGEMENT " (attorney END7019USNP/110375);

Name is called the U.S. Patent Application Serial Number 13/241,922 of " SURGICAL STAPLER WITH STATIONARY STAPLEDRIVERS " (attorney END7013USNP/110377);

Name is called the U.S. Patent Application Serial Number 13/241,637 of " SURGICAL INSTRUMENT WITH TRIGGER ASSEMBLYFOR GENERATING MULTIPLE ACTUATION MOTIONS " (attorney END6888USNP3/110378); With

Name is called the U.S. Patent Application Serial Number 13/241,629 of " SURGICAL INSTRUMENT WITH SELECTIVELYARTICULATABLE END EFFECTOR " (attorney END6888USNP2/110379).

The applicant of the application also has following U.S. Patent application, and these patent applications and the application submit on the same day, and each with way of reference separately entirety be incorporated to herein:

Name be called the U.S. Patent Application Serial Number of " TISSUE THICKNESS COMPENSATOR COMPRISING APLURALITY OF CAPSULES " (attorney END6864USCIP1/100550CIP1) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _;

Name be called the U.S. Patent Application Serial Number of " TISSUE THICKNESS COMPENSATOR COMPRISING APLURALITY OF LAYERS " (attorney END6864USCIP2/100550CIP2) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _;

Name be called the U.S. Patent Application Serial Number of " EXPANDABLE TISSUE THICKNESS COMPENSATOR " (attorney END6843USCIP2/100528CIP2) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.

Name be called the U.S. Patent Application Serial Number of " TISSUE THICKNESS COMPENSATOR COMPRISING ARESERVOIR " (attorney END6843USCIP3/100528CIP3) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _;

Name be called the U.S. Patent Application Serial Number of " RETAINER ASSEMBLY INCLUDING A TISSUETHICKNESS COMPENSATOR " (attorney END6843USCIP4/100528CIP4) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _;

Name be called the U.S. Patent Application Serial Number of " TISSUE THICKNESS COMPENSATOR COMPRISING ATLEAST ONE MEDICAMENT " (attorney END6843USCIP5/100528CIP5) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _;

Name be called the U.S. Patent Application Serial Number of " TISSUE THICKNESS COMPENSATOR COMPRISINGCONTROLLED RELEASE AND EXPANSION " (attorney END6843USCIP6/100528CIP6) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _;

Name be called the U.S. Patent Application Serial Number of " TISSUE TISSUE THICKNESS COMPENSATORCOMPRISING FIBERS TO PRODUCE A RESILIENT LOAD " (attorney END6843USCIP7/100528CIP7) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _;

Name be called the U.S. Patent Application Serial Number of " TISSUE TISSUE THICKNESS COMPENSATORCOMPRISING STRUCTURE TO PRODUCE A RESILIENT LOAD " (attorney END6843USCIP8/100528CIP8) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _;

Name be called the U.S. Patent Application Serial Number of " TISSUE TISSUE THICKNESS COMPENSATORCOMPRISING RESILIENT MEMBERS " (attorney END6843USCIP9/100528CIP9) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _;

Name be called the U.S. Patent Application Serial Number of " METHODS FOR FORMING TISSUE THICKNESSCOMPENSATOR ARRANGEMENTS FOR SURGICAL STAPLERS " (attorney END6843USCIP10/100528CP10) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _;

Name be called the U.S. Patent Application Serial Number of " TISSUE THICKNESS COMPENSATORS " (attorney END6843USCIP11/100528CP11) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _;

Name be called the U.S. Patent Application Serial Number of " LAYERED TISSUE THICKNESS COMPENSATOR " (attorney END6843USCIP12/100528CP12) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _;

Name be called the U.S. Patent Application Serial Number of " TISSUE THICKNESS COMPENSATORS FOR CIRCULARSURGICAL STAPLERS " (attorney END6843USCIP13/100528CP13) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _;

Name be called the U.S. Patent Application Serial Number of " TISSUE TISSUE THICKNESS COMPENSATORCOMPRISING CAPSULES DEFINING A LOW PRESSUREENVIRONMENT " (attorney END7100USNP/110601) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _;

Name be called the U.S. Patent Application Serial Number of " TISSUE THICKNESS COMPENSATOR COMPRISED OF APLURALITY OF MATERIALS " (attorney END7101USNP/110602) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _;

Name be called the U.S. Patent Application Serial Number of " MOVABLE MEMBER FOR USE WITH A TISSUETHICKNESS COMPENSATOR " (attorney END7107USNP/110603) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _;

Name be called the U.S. Patent Application Serial Number of " TISSUE TISSUE THICKNESS COMPENSATORCOMPRISING A PLURALITY OF MEDICAMENTS " (attorney END7102USNP/110604) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _;

Name be called the U.S. Patent Application Serial Number of " TISSUE TISSUE THICKNESS COMPENSATOR ANDMETHOD FOR MAKING THE SAME " (attorney END7103USNP/110605) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _;

Name be called the U.S. Patent Application Serial Number of " TISSUE TISSUE THICKNESS COMPENSATORCOMPRISING TISSUE INGROWTH FEATURES " (attorney END7105USNP/110607) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _; With

Name be called the U.S. Patent Application Serial Number of " DEVICES AND METHODS FOR ATTACHING TISSUETHICKNESS COMPENSATING MATERIALS TO SURGICAL STAPLINGINSTRUMENTS " (attorney END7106USNP/110608) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.

Now some exemplary embodiment will be described, to understand the structure of apparatus and method disclosed herein, function, manufacture and purposes on the whole.One or more examples of these embodiments are shown in the drawings.Those of ordinary skill in the art are to be understood that in literary composition and specifically describe and the apparatus and method be illustrated by drawings are unrestriced exemplary embodiment.The structure illustrated in conjunction with an exemplary embodiment or describe can be combined with the structure of other embodiment.This modification and variations comprise within the scope of the invention.

Disclosed herein or claimed for the manufacture of, formation or any one in other words preparation in the method for goods or product can be used for manufacturing, to be formed or in other words to prepare in the goods considered or product all or part of, and these class methods for the manufacture of, when being formed or in other words prepare the part of the goods considered or product, the remainder of goods or product can by any way (comprise use disclosed herein or claimed for the manufacture of, formed or in other words prepare in other method of goods or product any one) prepare, and the various piece so prepared can be combined by any way.Similarly; disclosed herein or claimed any goods or product can individualisms; or can exist in conjunction with other goods disclosed in this invention any or product with its compatibility, or can be used as and exist with other goods disclosed in this invention any of its compatibility or the integral part of product.Therefore, to illustrate in conjunction with a kind of goods, product or method or the special characteristic, structure or the characteristic that describe can completely or partially the feature of (without limitation) and one or more other compatible goods, product or method, structure or characteristic combine.This modification and variations comprise within the scope of the invention.

With reference to certain figures or alternate manner, specific embodiment of the present invention is being disclosed herein, or particular product, when product or method can comprise ad hoc structure, characteristic or feature, reader should be appreciated that and this means that these structures, characteristic or feature can be implemented in considered goods, product or method in any suitable combination.Specifically, this type of disclosure of multiple optional construction, characteristic or feature should be understood to the whole combinations disclosing these structures, characteristic or feature, and exceptional case is the structure of the alternative form be published as each other, characteristic or feature.When this class formation, characteristic or feature are published as alternative form each other, this should be understood to open these alternative forms as alternative each other.

Term used herein " nearside " and " distally " are for the clinician of the handle portions of manipulation of surgical apparatus.Term " nearside " refers to the part near clinician, and term " distally " refers to the part away from clinician.It is also understood that for succinct and clear for the purpose of, the spatial terminology of " vertically ", " level ", "up" and "down" and so on can be used such as herein by reference to the accompanying drawings.But surgical instruments uses in many directions and position, and these terms nonrestrictive and/or absolute.

Provide various exemplary means and method to perform abdominal cavity mirror and micro-wound surgical operation operation.But reader will readily appreciate that, various method and apparatus disclosed herein can be used in multiple surgical operation and application (comprise and being combined with open surgery).Continue to consult this detailed description of the invention, reader will be further understood that, various apparatus disclosed herein can by any way in insertosome, such as by nature tract, by being formed at the otch or puncturing hole etc. in tissue.The access to plant that the working portion of apparatus or end effector part can directly be inserted in patient body or by having service aisle inserts, and the end effector of surgical instruments and slender axles advance by described service aisle.

Forward accompanying drawing to, wherein in multiple view, the assembly that similar numeral is similar, Fig. 1 shows the surgical instruments 10 can putting into practice some unique benefit.Surgery suturing appliance 10 is designed to the end effector 12 handling and/or activate various forms and the size be operationally attached on it.In Fig. 1-Fig. 1 E, such as end effector 12 comprises elongated passageway 14, and this elongated passageway forms the lower jaw 13 of end effector 12.Elongated passageway 14 can support " implanted " nail bin 30 and can support the anvil block 20 of the upper jaw 15 as end effector 12 with moving.

Elongated passageway 14 can by such as 300 & 400 series, and 17-4 & 17-7 rustless steel, titanium etc. are made, and can be formed together with isolated sidewall 16.Anvil block 20 can by such as 300 & 400 series, 17-4 & 17-7 rustless steel, titanium etc. are made, and can have nail shaped lower face (being usually labeled as 22), described nail shaped lower face has the multiple nail shaping pits 23 be formed at wherein.See Figure 1B-Fig. 1 E.In addition, anvil block 20 has and is divided into two-part slide assemblies 24 from its proximad projection.Anvil block pin 26, from each side extending projection of slide assemblies 24, to be received in respective slots in the sidewall 16 of elongated passageway 14 or opening 18, thus is conducive to movable for anvil block pin or be attached to pivotly on described respective slots or opening.

Various forms of implanted nail bin can use together with surgical instruments disclosed herein.Below will discuss specific nail bin configuration and structure in more detail.But, in figure ia, show implanted nail bin 30.Nail bin 30 has main part 31, and this main part is made up of compressible hemostatic material (such as oxidized regenerated cellulose (" ORC ") or can the foam of bio-absorbable), is wherein supported with the unfashioned peg 32 of multirow.For anti-non-magnetic shim influenced and prevent hemostatic material introducing and position fixing process during activated, whole storehouse can be coated with or be enclosed with biodegradable film 38, such as with trade mark the six cyclic ketones films sold or polyglycerol sebacate (PGS) film or by PGA (polyglycolic acid, sell with trade mark Vicryl), PCL (polycaprolactone), PLA or PLLA (polylactic acid), PHA (polyhydroxyalkanoatefrom), PGCL (poliglecaprone 25, sell with trade mark Monocryl) or other biodegradable films of being formed of the complex of PGA, PCL, PLA, PDS, described film is only just permeable when breaking.The size of the main body 31 of nail bin 30 is configured to be supported on removedly in elongated passageway 14 as shown in the figure, make when anvil block 20 be driven to be formed with nail bin 30 contact time, the nail shaping pit 23 that each nail 32 is wherein all corresponding with anvil block aligns.

In use, once the contiguous target tissue of end effector 12 and locating, end effector 12 is just manipulated to be caught target tissue or is clamped between the top surface 36 of nail bin 30 and the nail profiled surface 22 of anvil block 20.Nail 32 is shaped in the following way: anvil block 20 is moved in the path being arranged essentially parallel to elongated passageway 14, to make nail profiled surface 22 and more specifically to make nail shaping pit 23 wherein substantially contact the top surface 36 of nail bin 30 simultaneously.When anvil block 20 continues to move in nail bin 30, the lower limb 34 of nail 32 contacts corresponding nail shaping pit 23 in anvil block 20, and this nail shaping pit is used for making nail lower limb 34 bending to make nail 32 be configured as " B shape ".Anvil block 20 will compress nail 32 further towards the further motion of elongated passageway 14 and makes it be configured as the final forming height " FF " of expectation.

Above-mentioned nail forming process is illustrated in Figure 1B-Fig. 1 E substantially.Such as, Figure 1B illustrates end effector 12, and its target tissue " T " is between anvil block 20 and the top surface 36 of implanted nail bin 30.Fig. 1 C illustrates the initial clamped position of anvil block 20, and wherein anvil block 20 has been closed up on target tissue " T ", between the top surface 36 target tissue " T " being clamped in anvil block 20 and nail bin 30.Fig. 1 D illustrates and initially follows closely shaping, and wherein anvil block 20 has started to compress nail bin 30, makes the lower limb 34 of nail 32 begin through the nail shaping pit 23 in anvil block 20 and be shaped.Fig. 1 E illustrates the nail 32 being in final molding condition through target tissue " T ", has removed anvil block 20 for clarity.Once nail 32 is shaped and is fastened to target tissue " T ", surgeon just makes anvil block 20 move to open position, can keep being attached to target tissue to make warehouse 31 and nail 32 when withdrawing from end effector 12 from patient.When two jaws 13,15 clamp jointly, end effector 12 makes all nails be shaped simultaneously.All the other " by conquassation " material of main parts 31 are used as hemorrhage (ORC) and follow closely line reinforcing agent (PGA, PDS or any other film compositions 38 above-mentioned).In addition, need not leave warehouse 31 owing to following closely 32 at shaping, the probability that therefore nail 32 becomes deformity at shaping is minimized.As used herein, term " implanted " refers to except nail, and the warehouse material of support nail also will be maintained in patient body and also can finally be absorbed by patient body.This type of implanted nail bin is different from previous nail bin structure, and this previous nail bin is configured in it and is still intactly positioned in end effector by after percussion.

In various concrete enforcement, end effector 12 can be connected to the slender axles assembly 40 from shank assembly 100 projection.End effector 12 (when closed) can have similar shape of cross section with slender axles assembly 40, and its size is configured to pass sleeve pipe needle tubing or service aisle with another kind of access instruments formal operations.As used herein, term " operationally passes " and refers to that end effector and inserting by passage or tube opening at least partially of slender axles assembly maybe can pass passage or tube opening, and in passage or tube opening, can handle surgery stitching operation to it.When in the closed position, the jaw 13 and 15 of end effector 12 can be end effector provides the shape of cross section of substantial circular to be beneficial to it through circular path/opening.But, end effector of the present invention can be imagined and slender axles assembly is provided with other shape of cross sections, thus can otherwise through inlet passage and the opening with non-circular transverse cross-section.Therefore, the overall dimension of the cross section of closed end effector by end effector intend through passage or the size of opening relevant.Therefore, an end effector such as can be called as " 5mm " end effector, and this refers to that it operationally can be at least the opening of about 5mm through diameter.

Slender axles assembly 40 can have the external diameter substantially equal with the external diameter of end effector in the close position 12.Such as, 5mm end effector can be connected to the slender axles assembly 40 with 5mm cross-sectional diameter.But continue to consult this detailed description of the invention, it is evident that, the present invention can use in conjunction with the end effector of different size effectively.Such as, 10mm end effector can be attached to the slender axles with 5mm cross-sectional diameter.On the contrary, for the application entering opening or passage wherein providing 10mm or larger, slender axles assembly 40 can have the cross-sectional diameter of 10mm (or larger), but also can activate 5mm or 10mm end effector.Therefore, the external diameter of outer shaft 40 can be identical or different with the external diameter of the closed end effector 12 be attached on it.

As shown in the figure, slender axles assembly 40 distad extends along straight line substantially from shank assembly 100, to limit longitudinal axis A-A.Such as, slender axles assembly 40 can be about 9-16 inch (229-406mm) length.But slender axles assembly 40 can be set to other length, or joint can be had wherein or otherwise can be conducive to end effector 12 and carry out joint motions relative to other parts of axle or shank assembly, as hereafter discussed in more detail.Slender axles assembly 40 comprises ridge component 50, and this ridge component extends to end effector 12 from shank assembly 100.The proximal extremity of the elongated passageway 14 of end effector 12 has a pair maintenance lug 17 from its projection, this, in the lug opening keeping the size of lug to be configured to be received in the correspondence provided in the distal end of ridge component 50 or support 52, can connect slender axles assembly 40 removedly to make end effector 12.Ridge component 50 can be made up of such as 6061 or 7075 aluminum, rustless steel, titanium etc.

Shank assembly 100 comprises pistol grasping type shell, and this pistol grasping type shell can be made into two or more parts for assembling object.Such as, shank assembly 100 as shown in the figure comprise by polymer or plastic material molding or in other words make and be designed to the right hand housing member 102 that is combined together and left hand housing member (not shown).By molding or the snap in features structure in other words formed, bolt and pod wherein and/or together with this type of housing member being attached to by binding agent, screw etc.Ridge component 50 has proximal extremity 54, and this proximal extremity is formed flange 56.Flange 56 can rotatably be supported in groove 106, and this groove is formed by from each fit ribs 108 to inner process in housing member 102,104.This type of is configured with and is beneficial to ridge component 50 and is attached to shank assembly 100, makes ridge component 50 can rotate along 360 ° of paths around longitudinal axis A-A relative to shank assembly 100 simultaneously.

As found out further in FIG, ridge component 50 is through installing axle bush 60 and being supported by installation axle bush 60, and this installation axle bush 60 is rotatably attached to shank assembly 100.Install axle bush 60 and have proximal flange 62 and distal lip 64, it limits rotated trench 65, and the leading edge portion 101 of shank assembly 100 can rotatably be received in therebetween by this rotated trench.This structure makes installation axle bush 60 can rotate around longitudinal axis A-A relative to shank assembly 100.Ridge component 50 is by ridge pin 66 non-rotatably pin joint extremely installation axle bush 60.In addition, knob 70 is attached to and installs axle bush 60.Such as, knob 70 has hollow mounting flange portion 72, and the size in this hollow mounting flange portion is configured to a part of installing axle bush 60 to be received in wherein.Knob 70 can by such as glass or carbon filled nylon, Merlon, etc. making, and be also attached to by ridge pin 66 axle bush 60 is installed.In addition, to be formed in mounting flange portion 72 to the maintenance flange 74 of inner process and can to extend in the radial groove 68 being formed at and installing in axle bush 60.Therefore, surgeon by firmly grasping knob 70 and making it rotate relative to shank assembly 100, and makes ridge component 50 (with the end effector 12 be attached on it) rotate around longitudinal axis A-A along 360 ° of paths.

Anvil block 20 remains on open position by anvil block spring 21 and/or another biased configuration.By being substantially marked as the trigger system of 109, anvil block 20 can optionally move to various closed or clamped position and firing position from open position.Trigger system 109 comprises " firing member " 110, and it comprises hollow firing tube 110.Hollow firing tube 110 axially can move on ridge component 50, therefore forms the outside of slender axles assembly 40.Firing tube 110 can be made up of polymer or other suitable materials, and has the proximal extremity of the percussion yoke 114 being attached to trigger system 109.Such as, the moldable proximal extremity to firing tube 110 of yoke 114 is pulled the trigger.But, other securing members also can be adopted to construct.

As can be seen in Figure 1, percussion yoke 114 rotatably can be supported on and support in lining ring 120, and this support lining ring can axially-movable in shank assembly 100.Support lining ring 120 and have the fin extended laterally for a pair, this is set to the size of fin in the fin slit that is slidably received in and is formed in left hand housing member and right hand housing member.Therefore, supporting lining ring 120 can slide axially in shank shell 100, makes percussion yoke 114 and firing tube 110 can rotate around longitudinal axis A-A relative to support lining ring 120 simultaneously.According to the present invention, firing tube 110 is provided with longitudinal slit, through wherein extending in ridge component 50, firing tube 110 can be conducive to simultaneously and axially advances on ridge component 50 to make ridge pin 66.

Trigger system 109 also comprises percussion trigger 130, and this percussion trigger is advanced for controlling the axis of firing tube 110 on ridge component 50.See Fig. 1.Distal direction formation along firing tube 110 is pulled the trigger this type of mutual axially-movable with anvil block 20 and is referred to herein as " firing action ".As can be seen in Figure 1, pull the trigger trigger 130 and be connected to shank assembly 100 movingly or pivotly by pivot pin 132.Adopt torsionspring 135 to be biased percussion trigger 130 and arrive " the opening " or the original position that do not activate away from the pistol grip portion 107 of shank assembly 100.As can be seen in Figure 1, percussion trigger 130 has top 134, and this top is attached (pin joint) movingly to percussion chain link 136, and this percussion chain link is attached (pin joint) movingly to supporting lining ring 120.Therefore, pull the trigger trigger 130 and will cause distally direction " DD " motion of percussion yoke 114 and firing tube 110 from original position (Fig. 1) towards the motion of the final position in the pistol grip portion 107 of adjacent hub parts 100.Percussion trigger 130 will cause percussion yoke 114 and firing tube 110 to move along proximal direction " PD " on ridge component 50 away from the motion (under the bias force of torsionspring 135) in the pistol grip portion 107 of shank assembly 100.

The present invention can use together with the implanted nail bin of configuration with different size.Such as, when using in conjunction with the first percussion adapter 140, surgical instruments 10 can use together with the 5mm end effector 12 of the about 20mm long (or with other length) of support implanted nail bin 30.This end effector size can be particularly well-suited in the dissection and the management of blood vessels that such as realize opposite fine.But, as hereafter institute is described in more detail, such as, also by the first percussion adapter 140 is replaced by the second percussion adapter, the end effector of surgical instruments 10 and other sizes and nail bin are combined.As other alternative form, slender axles assembly 40 can be attached to the end effector of only a kind of form or size.

Now by a kind of method end effector 12 being connected to removedly ridge component 50 of explaination.Connection process is started by being inserted by the maintenance lug 17 on elongated passageway 14 in the lug support 52 in ridge component 50.Subsequently, the pistol grip 107 of percussion trigger 130 shell component 100 toward the outside advances by surgeon, so that firing tube 110 and the first percussion adapter 140 are distad advanced on the proximal end portions 47 of elongated passageway 14, thus lug 17 is remained in its respective support 52.The first percussion this position of adapter 140 on lug 17 is referred to herein as " coupled position ".The present invention also can have end effector locked component, after being attached to ridge component 50 at end effector 12, percussion trigger 130 is locked in appropriate location.

More particularly, an embodiment of end effector locked component 160 comprises retaining pin 162, and this retaining pin is supported in the top 134 of percussion trigger 130 movingly.As mentioned above, firing tube 110 first distad must be advanced coupled position, and wherein the maintenance lug 17 of end effector 12 remains in the lug support 52 in ridge component 50 by the first percussion adapter 140.Percussion adapter 140 is distad advanced to coupled position by pulling the trigger trigger 130 from original position towards pistol grip 107 tractive by surgeon.When pulling the trigger trigger 130 and first being activated, retaining pin 162 distal motion, until the first percussion adapter 140 is advanced to coupled position by firing tube 110, now retaining pin 162 is biased in the latch well 164 be formed in housing member.Optionally, when retaining pin 162 enters in latch well 164, pin 162 can send " click clatter " sound or other sound that can hear, and for surgeon provide end effector 12 be " locked " on ridge component 50 sense of touch instruction.In addition, only otherwise wittingly retaining pin 162 is biased out latch well 164, surgeon just can not continue unintentionally to activate percussion trigger 130 to start to make the nail 32 in end effector 12 be shaped.Similarly, if surgeon's release is in the percussion trigger 130 of coupled position, then retaining pin 162 can make percussion trigger 130 remain on this position, is back to original position to prevent percussion trigger 130 and therefore discharges end effector 12 from ridge component 50.

The present invention also can comprise trigger system locking press button 137, and this trigger system locking press button is the mode of pivotable can be attached to shank assembly 100.In one form, trigger system locking press button 137 has the breech lock 138 formed in its distal end, and this breech lock is oriented to and engages percussion yoke 114 when pulling the trigger when release-push is in the first position latching.As can be seen in Figure 1, late spring 139 is for being biased to the first position latching by trigger system locking press button 137.In all cases, breech lock 138 is for engaging percussion yoke 114 at following some place: at this some place, and the position of the percussion yoke 114 on ridge component 50 corresponds to wherein the first percussion adapter 140 and is about to distally be advanced to the point on the clamping slideway 28 on anvil block 20.Should be appreciated that, along with the first percussion adapter 140 axially advances on clamping slideway 28, anvil block 20 will, along path movement, make to follow closely the top surface 36 that forming surface portion 22 is arranged essentially parallel to nail bin 30.

After end effector 12 is connected to ridge component 50, start to follow closely forming process by first depressing trigger system locking press button 137, with make percussion yoke 114 can on ridge component 50 further distal motion and the most at last anvil block 20 be compressed in nail bin 30.After pressure trigger system locking press button 137, surgeon continues to activate percussion trigger 130 towards pistol grip 107, thus by the nail shaping slideway 29 being driven into correspondence of the first nail lining ring 140, to force anvil block 20 and nail 32 shaping contact in nail bin 30.Trigger system locking press button 137 prevents from by mistake making nail 32 be shaped before surgeon is ready to start this process.In this embodiment, surgeon must depress trigger system locking press button 137 to start to follow closely forming process before percussion trigger 130 can be further actuated.

Surgical instruments 10 optionally and only can be used as tissue apposition device.But the present invention also can comprise and organizes diced system, and this tissue diced system is marked as 170 substantially.In at least one form, organizing diced system 170 to comprise cutter component 172, by activating cutter trigger 200 of advancing, this cutter component being optionally advanced to actuated position from the unactuated position of the proximal extremity of adjacent side terminal part executor 12.Cutter component 172 is supported in ridge component 50 movingly, and is attached to knife bar 180 or in other words from knife bar 180 projection.Cutter component 172 can be made up of 420 or 440 rustless steels such as with the hardness being greater than 38HRC (RHC), and can have to be formed at its distal end 174 organizes cutting edge 176, and the slit that can extend through slidably in anvil block 20 and the slit 33 arranged placed in the middle in nail bin 30, to cut the tissue worn and be clamped in end effector 12.Knife bar 180 extends through ridge component 50 and has the proximal end portions joined with the transmission of cutter transporter, and this cutter transporter is operationally attached to cutter and advances trigger 200.Cutter trigger 200 of advancing is attached to pivot pin 132, makes it to carry out pivotable or in other words to activated when without the need to activating percussion trigger 130.According to the present invention, the first cutter tooth wheel 192 is also attached to pivot pin 132, makes the advance actuating of trigger 200 of cutter also make the first cutter tooth take turns 192 pivotables.Be attached with between first cutter tooth wheel 192 and shank housing 100 and pull the trigger return spring 202, be biased to original position or unactuated position with trigger 200 of being advanced by cutter.

Cutter transporter also comprises the second cutter tooth wheel 194, and this second cutter tooth is taken turns rotatably to be supported on the second gear shaft and to take turns 192 with the first cutter tooth and engaged.Second cutter tooth wheel 194 is taken turns 196 with the 3rd cutter tooth be supported on the 3rd gear shaft and is engaged.Four blade gear 198 is also supported on the 3rd gear shaft 195.Four blade gear 198 transmission can be bonded on a series of gear teeth in the proximal extremity of knife bar 180 or ring.Therefore, this structure makes four blade gear 198 axially can drive knife bar 180 along distal direction " DD " or proximal direction " PD ", makes trigger shaft 180 rotate around longitudinal axis A-A relative to four blade gear 198 simultaneously.Therefore, surgeon is by advancing trigger 200 and make trigger shaft 180 axially advance and final distally promote cutter component 172 towards the pistol grip 107 tractive cutter of shank assembly 100.

The present invention also comprises cutter locking system 210, and this cutter locking system prevents the propelling of cutter component 172, unless percussion trigger 130 has been pulled to complete firing position.Therefore, this structure will prevent the activation of cutter propulsion system 170, unless first nail is pulled the trigger or form in tissue.As can be seen in Figure 1, the various concrete enforcement of cutter locking system 210 comprises cutter securing rod 211, and this cutter securing rod is can the mode of pivotable be supported in the pistol grip portion 107 of shank assembly 100.Cutter securing rod 211 has activated end 212, and when pulling the trigger trigger 130 and being in complete firing position, activated end 212 can be engaged by percussion trigger 130.In addition, cutter securing rod 211 has maintenance suspension hook 214 on the other end thereof, and this maintenance suspension hook can engage the latch bar 216 on the first cutting gear 192 in suspension hook mode.Adopt cutter locking spring 218 that cutter securing rod 211 is biased to " locking " position, wherein keep suspension hook 214 to keep engaging with latch bar 216, thus prevent cutter to advance the actuating of trigger 200, unless pulled the trigger trigger 130 to be in complete firing position.

After nail is " fired " in (shaping) to target tissue, surgeon can depress percussion trigger release-push 167, with make percussion trigger 130 can torsionspring 135 biased under be back to original position, thus make anvil block 20 can bias downwards into open position the biased of spring 21.When in open position, surgeon can withdraw from end effector 12 and leave implanted nail bin 30 and nail 32.In the application that end effector is inserted into through passage, service aisle etc. wherein, surgeon will make anvil block 20 be back to make position by activating percussion trigger 130, can be withdrawn to make end effector 12 by passage or service aisle.But if surgeon wants to cut target tissue after percussion nail, then surgeon activates cutter in the above described manner and to advance trigger 200, arrives the end of end effector to drive knife bar 172 through target tissue.Subsequently, surgeon can discharge cutter and to advance trigger 200, can make percussion transporter that knife bar 172 is back to initial (actuating) position to make percussion return spring 202.Once knife bar 172 is back to original position, surgeon just can open end effector jaw 13,15, also in patient body, withdraws from end effector 12 subsequently to be released in implanted storehouse 30 in patient body.Therefore, this type of surgical instruments is conducive to using the little implanted nail bin be inserted into by relatively little service aisle and passage, simultaneously for surgeon provides following selection: when not cutting and organizing, percussion is followed closely or also cut and organized after percussion nail.

Various uniqueness of the present invention and new embodiment adopt compressible nail bin, described compressible nail bin support be in substantially fixed position for by the nail of anvil block shaping contact.Be driven into by anvil block in unshaped nail, the degree that wherein such as reached nail is shaped depends on how far anvil block is driven in nail.The amount of the shaping that this class formation makes surgeon to regulate to be applied to nail or percussion pressure, thus change the final forming height of nail.In other embodiments of the invention, surgical stapling structure can adopt nail driving element, and nail can lift towards anvil block by this nail driving element.Hereafter these embodiments are described in more detail.

Optionally, with reference to above, the amount being applied to the firing action of removable anvil block depends on the degree of the actuating of percussion trigger.Such as, if surgeon goes for only partially-formed nail, then only need towards pistol grip 107 partially to interior pressure percussion trigger.Obtain and more follow closely shaping, surgeon only needs to compress percussion trigger further, anvil block is driven further and contacts to form with nail.As used herein, term " shaping contact " refer to nail profiled surface or nail shaping pit contact stud lower limb end and started lower limb is shaped or is bent to shaping position.The degree that nail is shaped refers to the degree that nail lower limb is folded and finally refers to the forming height of nail referred to above.Those skilled in the art will be further understood that, because when applying firing action to anvil block 20, anvil block 20 moves with the relation substantially parallel with nail bin, so nail is substantially shaped and has substantially the same forming height simultaneously.

Fig. 2 and Fig. 3 shows alternative end effector 12 ", except the following difference that can hold knife bar 172 ', end effector 12 " be similar to above-mentioned end effector 12 '.Knife bar 172 ' is connected to knife bar 180 or from knife bar 180 projection, and in addition above to operate about the mode described in knife bar 172.But in this embodiment, knife bar 172 ' long enough is to traverse end effector 12 " whole length, therefore end effector 12 " in do not adopt independent distal blade component.Knife bar 172 ' is formed with cross member 173 ' and lower cross member 175 '.Upper cross member 173 ' is oriented to and traverses anvil block 20 slidably " in respective elongated slit 250, and lower cross member 175 ' be oriented to traverse end effector 12 " elongated passageway 14 " in elongated slot 252.Depart from slit (not shown) and be also arranged on anvil block 20 " in; make when knife bar 172 ' has been driven to end effector 12 " in final position time, upper cross member 173 ' is dropped through corresponding slit to allow anvil block 20 " move to open position with the tissue departing from stitching and cut.Anvil block 20 " can be in addition identical with above-mentioned anvil block 20, and elongated passageway 14 " can be in addition identical with above-mentioned elongated passageway 14.

In these embodiments, anvil block 20 " by spring or other open structure (not shown) be biased to fully open position (Fig. 2).Anvil block 20 " by percussion adapter 150 axial row of carrying out in the above described manner and then at open position and move between clamped position completely.Once percussion adapter 150 is advanced into complete clamped position (Fig. 3), surgeon just distally can advance knife bar 172 subsequently in the above described manner ".If surgeon wants that end effector is used as grasp device carry out manipulating tissue, then percussion adapter proximally can be moved, to allow anvil block 20 " away from elongated passageway 14 " motion, as shown in phantom in figure 4.In this embodiment, along with knife bar 172 " distally move; upper cross member 173 ' pulls anvil block 20 with lower cross member 175 ' together with " and elongated passageway 14 ", with at knife bar 172 " through end effector 12 " realize the nail shaping of expectation when distally advancing.See Fig. 5.Therefore, in this embodiment, nail shaping cut occur simultaneously with tissue, but nail itself can at knife bar 172 " distally driving time be sequentially shaped.

The uniqueness of various surgery nail bin of the present invention and surgical instruments and novel structure enables the nail in described nail bin be arranged to one or more linear or nonlinear line.Each side of elongated slot can be provided with many this nail lines, described elongated slot is medially arranged in nail bin, for receive through wherein organize cutting element.In one structure, nail such as into a line can be substantially parallel to the nail in the adjacent lines of nail but depart from it.As other alternative form, one or more nail line can be essentially nonlinear.That is, follow closely at least one nail in line base portion can along substantially with the Axis Extension of other base portion crosscuts of following closely in same nail line.Such as, the nail line of the every side of elongated slot can have sawtooth appearance.

According to the present invention, nail bin can comprise warehouse and be stored in the multiple nails in warehouse.In use, nail bin can be introduced in operative site and to be located at the side of handled tissue.In addition, nail shaping anvil block can be positioned on the opposite side of tissue.Anvil block can be carried by the first jaw and nail bin can be carried by the second jaw, and wherein the first jaw and/or the second jaw can move towards another jaw.Once nail bin and anvil block are located relative to tissue, then can penetrate nail from nail bin body, make nail can piercing tissue contact stud shaping anvil block.Once dispose nail from nail bin body, then then can remove nail bin body from operative site.Nail bin or nail bin at least partially in implantablely have nail.Such as, as hereafter described in more detail, nail bin can comprise warehouse, and when anvil block moves to make position from open position, this warehouse can be compressed by anvil block, crushes and/or collapse.When warehouse compressed, conquassation and/or collapse time, the nail be positioned in warehouse is out of shape by anvil block.Alternatively, the jaw supporting nail bin can move to make position towards anvil block.Two kinds of situations any one in, when follow closely be positioned in warehouse at least in part time, nail deformable.In some cases, nail can not penetrate from nail bin, and in other cases, nail can penetrate from nail bin together in company with a part for warehouse.

Referring now to Fig. 6 A-Fig. 6 D, compressible nail bin (such as nail bin 1000) such as can comprise compressible, implanted warehouse 1010, and is positioned at the multiple nails 1020 in compressible warehouse 1010 in addition, but Fig. 6 A-Fig. 6 D only illustrates a nail 1020.Fig. 6 A illustrates the nail bin 1000 supported by nail bin support member or nail bin path 10 30, and wherein nail bin 1000 is shown in uncompressed condition.In this uncompressed condition, anvil block 1040 can contact or not contact tissue T.In use, anvil block 1040 can move to contact tissue T from open position, as shown in Figure 6B, and tissue T is located against warehouse 1010.Even if tissue T can be positioned to the tissue contacting surface 1019 against nail bin body 1010 by anvil block 1040, but refer again to Fig. 6 B, nail bin body 1010 now can stand few (if any) compression stress or pressure, and follows closely 1020 and can remain on unshaped or not pull the trigger condition.As shown in Figure 6 A and 6 B, nail bin body 1010 can comprise one or more layer, and the nail lower limb 1021 following closely 1020 upwards can extend through these layers.Warehouse 1010 can comprise ground floor 1011, the second layer 1012, third layer 1013 and the 4th layer 1014, wherein the second layer 1012 can be positioned in the middle of ground floor 1011 and third layer 1013, and wherein third layer 1013 can be positioned in the middle of the second layer 1012 and the 4th layer 1014.Such as, the base portion 1022 of nail 1020 can be positioned in the cavity 1015 in the 4th layer 1014, and follows closely lower limb 1021 and upwards can extend from base portion 1022 and pass the 4th layer 1014, third layer 1013 and the second layer 1012.Optionally, each deformable lower limb 1021 can comprise top, such as sharp top 1023, and such as, when nail bin 1000 is in uncompressed condition, this sharp top can be positioned in the second layer 1012.Such as, top 1023 can not extend to and/or pass ground floor 1011, and wherein when nail bin 1000 is in uncompressed condition, top 1023 can be not projecting through tissue contacting surface 1019.When nail bin is in uncompressed condition, sharp top 1023 can be positioned in third layer 1013 and/or any other suitable layer.Alternatively, the warehouse of nail bin can have any suitable number of layers, such as, be less than four layers or more than four layers.

Optionally, as hereafter described in more detail, ground floor 1011 can by buttress material and/or plastic material (such as, poly-dioxanone (PDS) and/or polyglycolic acid (PGA)) form, and the second layer 1012 can by can the foamed materials of bio-absorbable and/or compressible hemostatic material (such as, oxidized regenerated cellulose (ORC)) form.Optionally, nail 1020 can remain in nail bin body 1010 by one or more in ground floor 1011, the second layer 1012, third layer 1013 and the 4th layer 1014, and nail 1020 can be made in addition to keep mutual alignment.Third layer 1013 can be made up of buttress material or quite incompressible or non-elastic material, and the nail lower limb 1021 of nail 1020 relative to each other can be remained on appropriate location by this material.In addition the second layer 1012 and the 4th layer 1014, be positioned at the second layer 1012 on the opposite side of third layer 1013 and the 4th layer of 1014 Absorbable organic halogens or reduce the motion of nail 1020, even if can be made up of compressible foam or elastomeric material.The screw top end 1023 of nail lower limb 1021 can embed in ground floor 1011 at least in part.Such as, ground floor 1011 and third layer 1013 can collaboratively and firmly nail lower limb 1021 is remained on appropriate location.Ground floor 1011 and third layer 1013 can respectively by such as can bioabsorbable material (such as with the polyglycolic acid (PGA) that trade name Vicryl sells, polylactic acid (PLA or PLLA), poly-dioxanone (PDS), polyhydroxyalkanoatefrom (PHA), with the poliglecaprone 25 (PGCL) that trade name Monocryl sells, polycaprolactone (PCL), and/or PGA, PLA, PDS, PHA, the complex of PGCL and/or PCL) thin slice form, and the second layer 1012 and the 4th layer 1014 can be made up of at least one hemostatic material or hemorrhage respectively.

Although ground floor 1011 can be compressible, but the second layer 1012 can be substantially more compressible than ground floor 1011.Such as, the compressibility of the second layer 1012 can be ground floor 1011 about twice, about three times, about four times, about five times and/or about ten times.In other words, for given power, the compression degree of the second layer 1012 can be about twice of ground floor 1011, about three times, about four times, about five times and/or about ten times.The compressibility of the second layer 1012 such as can between about twice of ground floor 1011 and about ten times.The second layer 1012 can comprise the multiple air gaps be defined in wherein, and the amount of the air gap wherein in the second layer 1012 and/or size can be controlled to the expectation compressibility providing the second layer 1012.To similar above, although third layer 1013 can be compressible, but the 4th layer 1014 can have more compressibility substantially than third layer 1013.Such as, the compressibility of the 4th layer 1014 can be third layer 1013 about twice, about three times, about four times, about five times and/or about ten times.In other words, for given power, the compression degree of the 4th layer 1014 can be third layer 1013 about twice, about three times, about four times, about five times and/or about ten times.The compressibility of the 4th layer 1014 can between about twice of third layer 1013 and about ten times.Can comprise the multiple air gaps be defined in wherein for 4th layer 1014, amount and/or the size of the air gap wherein in the 4th layer 1014 can be controlled to the expectation compressibility providing the 4th layer 1014.In all cases, the compressibility of warehouse or warehouse layer is expressed by compression ratio (that is, layer is for the distance of compressing to the power of sizing).Such as, compared with the layer had compared with little compressible, the layer with high compression rate for be applied to this layer to the compression stress of sizing by distance larger for compression.So, the comparable ground floor of the second layer 1,012 1011 has higher compression ratio; Similarly, the 4th layer of 1014 comparable third layer 1013 has higher compression ratio.The second layer 1012 can be made up of identical material with the 4th layer 1014 and can have identical compression ratio.The second layer 1012 and the 4th layer 1014 can be made up of the material with different compression ratio.Similarly, ground floor 1011 can be made up of identical material with third layer 1013 and can have identical compression ratio.Ground floor 1011 and third layer 1013 can be made up of the material with different compression ratio.

When anvil block 1040 is advanced towards its make position, anvil block 1040 can contact tissue T apply compression stress to tissue T and nail bin 1000, as shown in Figure 6 C.In this case, anvil block 1040 can promote top surface or the tissue contacting surface 1019 of warehouse 1010 downwards towards nail bin support member 1030.Nail bin support member 1030 can comprise storehouse stayed surface 1031, its can between the tissue contacting surface 1041 that nail bin 1000 is compressed in storehouse stayed surface 1031 and anvil block 1040 time support nail bin 1000.Due to anvil block 1040 applied pressures, warehouse 1010 can be compressed and anvil block 1040 can contact stud 1020.More particularly, moving downward of the compression of warehouse 1010 and tissue contacting surface 1019 can make the top 1023 of nail lower limb 1021 pierce through the ground floor 1011 of warehouse 1010, piercing tissue T and entering in the shaping pit 1042 in anvil block 1040.When warehouse 1010 is compressed further by anvil block 1040, top 1023 can contact the wall limiting shaping pit 1042, and such as therefore lower limb 1021 can to internal strain or curling, as shown in Figure 6 C.When following closely lower limb 1021 and being deformed, equally as shown in Figure 6 C, the base portion 1022 of nail 1020 can contact nail bin support member 1030 or be supported by nail bin support member 1030.Optionally, as described in greater detail below, nail bin support member 1030 can comprise multiple supporting construction, such as follows closely support trenches, slit or groove 1032, such as described multiple supporting construction can when nail 1020 is deformed support nail 1020 or at least follow closely 1020 base portion 1022.Equally as shown in Figure 6 C, the compression stress being applied to nail bin body 1010 can make the cavity 1015 in the 4th layer 1014 collapse.Except cavity 1015, nail bin body 1010 also can comprise one or more space (such as space 1016), such as, can comprise or not comprise a part for the nail be positioned at wherein in described one or more space, described one or more space can allow warehouse 1010 to collapse.Can collapse in cavity 1015 and/or space 1016, the wall limiting cavity and/or wall is deflected down and contacts the layer be positioned below cavity and/or space of storehouse stayed surface 1031 and/or contact warehouse 1010.

When comparison diagram 6B and Fig. 6 C, obviously, the second layer 1012 and the 4th layer 1014 compression pressure that applies by anvil block 1040 substantially compress.Also can note, ground floor 1011 and third layer 1013 are also compressed.When anvil block 1040 moves to its make position, anvil block 1040 continues compression warehouse 1010 further by promoting tissue contacting surface 1019 downwards towards nail bin support member 1030.When warehouse 1010 is further compressed, anvil block 1040 can make nail 1020 be deformed into its complete shaping form, as shown in Figure 6 D.See Fig. 6 D, the lower limb 1021 of each nail 1020 can be out of shape downwards towards the base portion 1022 of each nail 1020, so that by tissue T, ground floor 1011, the second layer 1012, being captured at least partially between deformable lower limb 1021 and base portion 1022 of third layer 1013 and the 4th layer 1014.When comparison diagram 6C and Fig. 6 D, more obviously, the second layer 1012 and the 4th layer 1014 further the compression pressure that applies by anvil block 1040 significantly compress.Also can note when comparison diagram 6C and Fig. 6 D, ground floor 1011 and third layer 1013 are also further compressed.After nail 1020 is shaped completely or at least fully, anvil block 1040 can be lifted away from tissue T, and nail bin support member 1030 can away from and/or depart from nail bin 1000 and move.As shown in Figure 6 D and due to mentioned above, warehouse 1010 is implantable nail 1020.In various embodiments, implanted warehouse 1010 can along nail line supporting tissue.In some cases, the hemorrhage comprised in the warehouse 1010 of implantation and/or any other medicine be applicable to can along with passage of time be to process tissue.Hemorrhage as above can reduce sew up and/or cutting organize hemorrhage, simultaneously bonding agent or tissue adhesive can along with passage of time for tissue provide intensity.The warehouse 1010 implanted can by such as ORC (oxidized regenerated cellulose), extracellular protein (such as collagen), with the polyglycolic acid (PGA) that trade name Vicryl sells, polylactic acid (PLA or PLLA), poly-dioxanone (PDS), polyhydroxyalkanoatefrom (PHA), with the poliglecaprone 25 (PGCL) that trade name Monocryl sells, polycaprolactone (PCL), and/or PGA, PLA, PDS, PHA, the material of the complex of PGCL and/or PCL is formed.In some cases, warehouse 1010 can comprise antibiosis and/or the anti-biotic material of the probability that such as can reduce surgical site infection, such as collargol and/or triclosan.

The layer of warehouse 1010 can be interconnected.Such as, can utilize at least one binding agent (such as fibrin and/or protein hydrogel) that the second layer 1012 is adhered to ground floor 1011, third layer 1013 be adhered to the second layer 1012, and adheres to third layer 1013 by the 4th layer 1014.Although not shown, the layer of warehouse 1010 links together by interlocking machine feature structure.Such as, ground floor 1011 and the second layer 1012 can comprise corresponding interlocking features structure separately, such as tenon groove structure and/or dovetail structure.Similarly, the second layer 1012 and third layer 1013 can comprise corresponding interlocking features structure separately, and simultaneously third layer 1013 and the 4th layer 1014 can comprise corresponding interlocking features structure separately.Although not shown, nail bin 1000 can comprise such as one or more rivet, and this one or more rivet can extend across one or more layers of warehouse 1010.Such as, each rivet can comprise the second head of the first end or head that adjacent first layer 1011 locates and contiguous 4th layer 1014 and location, and the 4th layer can be assembled into the second end of rivet or be formed by the second end of rivet.Such as, due to the compressible character of warehouse 1010, the compressible warehouse 1010 of rivet, makes the head of rivet can cave in relative to the tissue contacting surface 1019 of warehouse 1010 and/or lower surface 1018.Such as, rivet can by can the material (complex of the polyglycolic acid (PGA) such as sold with trade name Vicryl, polylactic acid (PLA or PLLA), poly-dioxanone (PDS), polyhydroxyalkanoatefrom (PHA), the poliglecaprone 25 (PGCL) sold with trade name Monocryl, polycaprolactone (PCL) and/or PGA, PLA, PDS, PHA, PGCL and/or PCL) of bio-absorbable be formed.Except the nail 1020 by holding in warehouse 1010, the layer of warehouse 1010 can not be connected to each other.Such as, the layer of warehouse 1010 such as can keep together by the frictional engagement between nail lower limb 1021 and warehouse 1010, and once nail is shaped, then described layer can be trapped in nail 1020.Roughened surface or the rough coatings that can comprise the frictional force that can increase between nail 1020 and warehouse 1010 at least partially of nail lower limb 1021.

As mentioned above, surgical instruments can comprise the first jaw and the second jaw, and the first jaw comprises nail bin support member 1030, second jaw and comprises anvil block 1040.Optionally, as hereafter be described in more detail, nail bin 1000 can comprise one or more holding structure, and this one or more holding structure can engage nail bin support member 1030 and therefore nail bin 1000 be remained to nail bin support member 1030 releasedly.Such as, by least one binding agent (such as, fibrin and/or protein hydrogel), nail bin 1000 is adhered to nail bin support member 1030.In use, in at least one situation, especially in abdominal cavity mirror and/or endoscopic procedure, the second jaw is moveable to the make position relative with the first jaw, such as, make the first jaw and the second jaw be inserted in operative site by the trocar.Such as, the trocar can limit hole or the intubate of about 5mm, and the first jaw and the second jaw are inserted into by it.Second jaw is moveable to the partial closed position between in an open position and make position, and this partial closed position can allow the first jaw and the second jaw to be inserted into through the trocar, and without the need to making the nail 1020 held in nail bin body 1010 be out of shape.Such as, when the second jaw is in the closed centre position of its part, anvil block 1040 can not apply compression stress to nail bin body 1010, but when the second jaw is in the centre position that its part closes, the compressible nail bin body 1010 of anvil block 1040.Although the compressible nail bin body 1010 when anvil block 1040 is in this centre position, but anvil block 1040 can compress nail bin body 1010 by halves, makes anvil block 1040 contact stud 1020 and/or nail 1020 is out of shape by anvil block 1040.Once the first jaw and the second jaw are inserted into by the trocar in operative site, then the second jaw can be opened again, and anvil block 1040 and nail bin 1000 can position relative to target tissue as mentioned above.

Referring now to Fig. 7 A-Fig. 7 D, the end effector of surgical stapling device can comprise the implanted nail bin 1100 be positioned in the middle of anvil block 1140 and nail bin support member 1130.To similar above, anvil block 1140 can comprise tissue contacting surface 1141, and nail bin 1100 can comprise tissue contacting surface 1119, and nail bin support member 1130 can comprise the stayed surface 1131 that can support nail bin 1100.See Fig. 7 A, anvil block 1140 can be utilized tissue T to be positioned to the tissue contacting surface 1119 against nail bin 1100 and not make nail bin 1100 be out of shape, and when anvil block 1140 is in this position, tissue contacting surface 1141 can be oriented to and nail bin stayed surface 1131 distance 1101a, and tissue contacting surface 1119 can be oriented to and nail bin stayed surface 1131 distance 1102a.Subsequently, when anvil block 1140 moves towards nail bin support member 1130, referring now to Fig. 7 B, anvil block 1140 can promote the top surface of nail bin 1100 or tissue contacting surface 1119 downwards and compress ground floor 1111 and the second layer 1112 of warehouse 1110.Along with layer 1111 and layer 1112 are compressed, refer again to Fig. 7 B, the second layer 1112 can by conquassation, and the lower limb 1121 following closely 1120 can pierce through ground floor 1111 and enter into tissue T.Such as, nail 1120 can be positioned in nail chamber in the second layer 1112 or space 1115 at least in part, and when the second layer 1112 is by compression, can collapse in nail chamber 1115 and therefore the permission second layer 1112 is collapsed around nail 1120.The second layer 1112 can comprise cover 1116, and this cover is extensible also to be surrounded or surrounds nail chamber 1115 at least in part on nail chamber 1115.Fig. 7 B shows the covering part 1116 being pressed downward and bursting in nail chamber 1115.The second layer 1112 can comprise one or more weakening part, and it can be conducive to collapsing of the second layer 1112.Optionally, this type of weakening part can comprise cut that such as can be conducive to warehouse 1110 controlled collapse, perforation and/or thin cross section.Ground floor 1111 can comprise and can be conducive to following closely one or more weakening parts that lower limb 1121 penetrates ground floor 1111.Optionally, this type of weakening part can comprise and such as can align with nail lower limb 1121 or at least cut of substantial alignment, perforation and/or thin cross section.

Refer again to Fig. 7 A, when anvil block 1140 is in partly closed non-firing position, anvil block 1140 can be oriented to and storehouse stayed surface 1131 distance 1101a, makes to be limited with gap therebetween.This gap can be filled by the nail bin 1100 and tissue T with nail bin height 1102a.When anvil block 1140 moves downward to compress nail bin 1100, refer again to Fig. 7 B, the distance between tissue contacting surface 1141 and storehouse stayed surface 1131 can be limited by the distance 1101b being shorter than distance 1101a.In all cases, the gap limited by distance 1101b between the tissue contacting surface 1141 of anvil block 1140 and storehouse stayed surface 1131 can be greater than original undeformed nail bin height 1102a.Referring now to Fig. 7 C, when anvil block 1140 moves to closer to storehouse stayed surface 1131, the second layer 1112 can continue to collapse and the distance of following closely between lower limb 1121 and shaping pit 1142 can reduce.Similarly, the distance between tissue contacting surface 1141 and storehouse stayed surface 1131 can be reduced to distance 1101c, and this distance can be greater than, be equal to or less than and original be not out of shape storehouse height 1102a.Referring now to Fig. 7 D, anvil block 1140 is moveable to final firing position, wherein follows closely 1120 and is shaped completely or is at least shaped to Desired Height.In this position, the tissue contacting surface 1141 of anvil block 1140 can with storehouse stayed surface 1131 distance 1101d, wherein distance 1101d can be shorter than and original not be out of shape storehouse height 1102a.Equally as illustrated in fig. 7d, can collapse completely or at least substantially in nail chamber 1115, and follow closely 1120 can completely or at least substantially by the second layer 1112 of collapsing around.In all cases, anvil block 1140 can move away from nail bin 1100 subsequently.Such as, once anvil block 1140 departs from from nail bin 1100, then warehouse 1110 can such as spread in various position (that is, the position between adjacent nail 1120) at least in part again.The warehouse 1110 of conquassation may not resiliently be expanded again.The nail 1120 be shaped and the warehouse 1110 be positioned in addition between adjacent nail 1120 can apply pressure or compression stress to tissue T, and this can provide various treatment benefit.

As mentioned above, refer again to Fig. 7 A, each nail 1120 can comprise the nail lower limb 1121 extended from it.Such as, although nail 1120 is illustrated as comprising two nail lower limbs 1121, but also can utilize the various nails that can comprise a nail lower limb or comprise alternatively more than two nail lower limbs (such as three nail lower limbs or four nail lower limbs).As shown in Figure 7 A, each nail lower limb 1121 all can embed in the second layer 1112 of warehouse 1110, and nail 1120 is fixed in the second layer 1112.Nail 1120 can be inserted in the nail chamber 1115 in warehouse 1110, makes top 1123 the advancing in cavity 1115 at base portion 1122 of following closely lower limb 1121.After top 1123 is inserted into cavity 1115, top 1123 can be pressed against in cover 1116 and to cut the second layer 1112.Nail 1120 can be sat the enough depths put in the second layer 1112, makes nail 1120 not move relative to the second layer 1112 or at least substantially not move.Nail 1120 can be sat the enough depths put in the second layer 1112, makes base portion 1122 be located or embed in nail chamber 1115.Alternatively, base portion 1122 can not be located or be embedded in the second layer 1112.Refer again to Fig. 7 A, base portion 1122 can extend below the lower surface 1118 of warehouse 1110.Base portion 1122 can be bearing on storehouse stayed surface 1130 or directly and locate against storehouse stayed surface 1130.Storehouse stayed surface 1130 can comprise the supporting construction extending from it and/or be limited to wherein, such as, support in one or more support trenches, slit or the groove 1132 that the base portion 1122 of nail 1120 can be positioned in such as nail bin support member 1130 or by this one or more support trenches, slit or groove 1132, as described in more detail below.

Referring now to Fig. 8 and Fig. 9, nail bin (such as nail bin 1200) such as can comprise compressible implanted warehouse 1210, and this warehouse comprises outer 1211 and internal layer 1212.To similar above, nail bin 1200 can comprise the multiple nails 1220 be positioned in warehouse 1210.Optionally, each nail 1220 all can comprise base portion 1222 and the one or more nail lower limbs 1221 from its extension.Such as, follow closely lower limb 1221 can to insert in internal layer 1212 and to be sat the degree of depth of putting and such as making the lower surface 1218 of the adjacent and/or contiguous internal layer 1212 of base portion 1222 of nail 1220 locate.In figs. 8 and 9, internal layer 1212 does not comprise the nail chamber of the part that can receive nail 1220, and alternatively, internal layer 1212 can comprise this type of nail chamber.To being described further above, internal layer 1212 can be made up of the compressible material that warehouse 1210 can be allowed to collapse when applying compressive load to it (such as can the foam of bio-absorbable and/or oxidized regenerated cellulose (ORC)).Internal layer 1212 can be made up of the freeze dried foam such as comprising polylactic acid (PLA) and/or polyglycolic acid (PGA).ORC can trade name Surgicel commercially available and loose Woven fabric (as surgical sponge), loose fiber (as cotton balls) and/or foam can be comprised.Internal layer 1212 can by comprising and/or applied atop have the material of medicine (such as cryodesiccated thrombin and/or fibrin) to form, this medicine such as can by patient body fluid water activation and/or activation.Such as, cryodesiccated thrombin and/or fibrin can remain in such as Vicryl (PGA) substrate.Such as, but in some cases, when being inserted into when nail bin 1200 in the operative site in patient body, activable medicine can by mistake be activated.Refer again to Fig. 8 and Fig. 9, outer 1211 can by fluid-tight or at least substantially material impervious to water form, liquid is not contacted or does not at least substantially contact internal layer 1212, until warehouse 1210 has been compressed and followed closely lower limb penetrated outer 1211 and/or after skin 1211 cut in some manner.Such as, outer 1211 can be made up of buttress material and/or plastic material (such as poly-dioxanone (PDS) and/or polyglycolic acid (PGA)).Outer 1211 can comprise the wrappage around internal layer 1212 and nail 1220.More particularly, follow closely 1220 can be inserted in internal layer 1212 and outer 1211 and to be wrapped around the sub-component comprising internal layer 1212 and nail 1220 and to be sealed subsequently.

As described herein, when anvil block moves to make position, the nail of nail bin can be shaped completely by anvil block.Alternatively, referring now to Figure 10-Figure 13, such as the nail of the nail bin of nail bin 4100 is such as by the anvil block when anvil block moves to make position, and additionally by making nail be out of shape towards the staple drivers system of closed anvil block motion.Nail bin 4100 can comprise compressible warehouse 4110, and this compressible warehouse can be such as made up of foamed materials and the multiple nails 4120 be positioned at least in part in compressible warehouse 4110.Staple drivers system can comprise driver clamper 4160, be positioned at multiple staple drivers 4162 in driver clamper 4160 and nail bin dish 4180, and staple drivers 4162 can remain in driver clamper 4160 by this nail bin dish.Such as, staple drivers 4162 can be positioned in the one or more slits 4163 in driver clamper 4160, and wherein the sidewall of slit 4163 can help to boot up staple drivers 4162 towards anvil block.Nail 4120 can be supported in slit 4163 by staple drivers 4162, and wherein when nail 4120 and staple drivers 4162 are in its non-firing position, nail 4120 can be positioned in slit 4163 completely.Alternatively, when nail 4120 and staple drivers 4162 are in its non-firing position, upwards can extending through the opening 4161 of slit 4163 at least partially of nail 4120.Such as, now main see Figure 11, the base portion of nail 4120 can be positioned in driver clamper 4160, and the top of following closely 4120 can embed in compressible warehouse 4110.The height following closely 4120 about 1/3rd can be positioned in driver clamper 4160, and the height following closely 4120 about 2/3rds can be positioned in warehouse 4110.See Figure 10 A, such as nail bin 4100 also can comprise water impervious wrappage around warehouse 4110 and driver clamper 4160 or film 4111.

In use, such as, nail bin 4100 can be positioned in nail bin passage, and anvil block can move to make position towards nail bin 4100.When anvil block moves to its make position, anvil block can contact and compress compressible warehouse 4110.When anvil block is in its make position, anvil block can not contact stud 4120.When anvil block moves to its make position, anvil block can contact stud 4120 lower limb and make nail 4120 be out of shape at least in part.In arbitrary situation, nail bin 4100 also can comprise one or more sliding part 4170, described one or more sliding part longitudinally can advance at nail bin 4100, makes sliding part 4170 can jointing nail driver 4162 and staple drivers 4162 and nail 4120 are moved towards anvil block subsequently.Sliding part 4170 can slide between nail bin dish 4180 and staple drivers 4162.When anvil block closed has made the forming process of nail 4120 start, nail 4120 has moved upward towards anvil block and can complete forming process and make the height that nail 4120 is deformed into its height be shaped completely or at least expects.When anvil block closed does not make nail 4120 be out of shape, follow closely 4120 and to move upward towards anvil block and can start and complete forming process and make the height that nail 4120 is deformed into its height be shaped completely or at least expects.Sliding part 4170 can be advanced to the distal end of nail bin 4100 from the proximal extremity of nail bin 4100, make before the nail 4120 in the distal end being positioned nail bin 4100 is shaped completely, the nail 4120 be positioned in the proximal extremity of nail bin 4100 is shaped completely.See Figure 12, sliding part 4170 can comprise at least one surface 4711 that is angled or that tilt separately, and it also can promote staple drivers 4162 as shown in figure 13 in staple drivers 4162 slid underneath.

To being described further above, nail 4120 can be formed, so as by tissue T at least partially with the compressible warehouse 4110 of nail bin 4100 be captured in wherein at least partially.After nail 4120 is shaped, the anvil block of surgical stapling device and nail bin passage 4130 can move away from the nail bin 4100 implanted.In all cases, storehouse dish 4180 can engage nail bin passage 4130 regularly, and wherein as a result, when nail bin passage 4130 is pulled away from the warehouse 4110 implanted, storehouse dish 4180 can be separated with compressible warehouse 4110.Refer again to Figure 10, storehouse dish 4180 can comprise relative sidewall 4181, and warehouse 4110 can be positioned between this relative sidewall 4181 removedly.Such as, compressible warehouse 4110 can be compressed between sidewall 4181, and warehouse 4110 during use can be remained on therebetween removedly, and when storehouse dish 4180 is pulled away from, warehouse 4110 departs from releasedly from storehouse dish 4180.Such as, driver clamper 4160 can be connected to storehouse dish 4180, and make when storehouse dish 4180 removes from operative site, driver holder 4160, driver 4162 and/or sliding part 4170 can remain in storehouse dish 4180.Driver 4162 can penetrate from driver clamper 4160 and stay operative site.Such as, driver 4162 can by can the material (complex of the polyglycolic acid (PGA) such as sold with trade name Vicryl, polylactic acid (PLA or PLLA), poly-dioxanone (PDS), polyhydroxyalkanoatefrom (PHA), the poliglecaprone 25 (PGCL) sold with trade name Monocryl, polycaprolactone (PCL) and/or PGA, PLA, PDS, PHA, PGCL and/or PCL) of bio-absorbable be formed.Driver 4162 can be attached to nail 4120, makes driver 4162 be deployed with nail 4120.Such as, each driver 4162 can comprise the groove of the base portion that such as can receive nail 4120, and wherein said groove can receive nail base portion with pressure fitted mode and/or snap fit.

To being described further above, driver clamper 4160 and/or sliding part 4170 can coil 4180 injections from storehouse.Such as, sliding part 4170 can coil between 4180 and driver clamper 4160 in storehouse and slide, make when sliding part 4170 advances upwards to drive staple drivers 4162 and nail 4120, sliding part 4170 also can make driver clamper 4160 move upward to outside storehouse dish 4180.Such as, driver clamper 4160 and/or sliding part 4170 can by can the material (complex of the polyglycolic acid (PGA) such as sold with trade name Vicryl, polylactic acid (PLA or PLLA), poly-dioxanone (PDS), polyhydroxyalkanoatefrom (PHA), the poliglecaprone 25 (PGCL) sold with trade name Monocryl, polycaprolactone (PCL) and/or PGA, PLA, PDS, PHA, PGCL and/or PCL) of bio-absorbable be formed.Sliding part 4170 can integrally form and/or be attached to driving rod or cutting element, and described driving rod or cutting element promote sliding part 4170 through nail bin 4100.In this case, sliding part 4170 can not penetrate from storehouse dish 4180 and can keep together with surgical stapling device, and sliding part 4170 is not attached in other situations of driving rod wherein, and sliding part 4170 can be stayed in operative site.In any case, to being described further above, the compressibility of warehouse 4110 can allow to use thicker nail bin in the end effector of surgical stapling device, this is because when the anvil block of stiching instrument closes, warehouse 4110 is compressible or collapse.As the nail when anvil block closes by the result of being out of shape at least in part, higher nail (such as have about 0.18 " nail of staple height) can be used; such as wherein about 0.12 " staple height can be positioned in compressible stratum 4110, and wherein compressible stratum 4110 can have about 0.14 " uncompressed height.

As described herein, multiple nail can be comprised in nail bin.Optionally, this type of nail can by being deformed into U-shaped configuration substantially and the metal wire rods with two nail lower limbs are formed.The alternative form that wherein nail can comprise different configuration (be such as joined together and have two or more wire rods that three or more are followed closely lower limbs) can be dreamed up.One or more wire rods for the formation of nail can comprise round or at least substantially round cross section.Nail wire rod can comprise any other suitable cross section, such as the cross section of square and/or rectangle.Nail can be made up of plastic wire.Nail can be made up of the metal wire rod being coated with plastics.According to the present invention, storehouse can comprise except nail or replace the securing member of any suitable type of following closely.Such as, this securing member can comprise pivotable arm, and described arm can be folded when being engaged by anvil block.Two-part securing member can be used.Such as, nail bin can comprise multiple first fastener portion, and anvil block can comprise multiple second fastener portion; When anvil block is compressed against nail bin, the second fastener portion is connected to the first fastener portion.As mentioned above, sliding part or driver can be advanced in nail bin to complete the forming process of nail.Sliding part or driver can be advanced in anvil block, engage with relative nail bin and nail or the securing member be positioned in nail bin to make one or more formed parts move downwardly to.

As described herein, nail bin can comprise four the nail row be stored in wherein.Described four nail row can be arranged to two inner side nail row and two outside nail row.Such as, inner side nail row and outside are followed closely row and can be positioned on the first side of cutting element in nail bin or cutter slit; Similarly, inner side nail row and outside nail row can be positioned on the second side of cutting element or cutter slit.Nail bin can not comprise cutting element slit; But substituting as nail bin slit, this nail bin can comprise the specified portions can cut by cutting element.Similarly, can inner side nail row be arranged in nail bin, make itself and cutting element slit equidistantly or at least substantially equidistantly spaced apart.Similarly, can outside nail row be arranged in nail bin, make itself and cutting element slit equidistantly or at least substantially equidistantly spaced apart.According to the present invention, nail bin can comprise be stored in nail bin greater or less than four nail row.Nail bin can comprise six nail row.Such as, nail bin can comprise three nail row on the first side of cutting element slit, and on the second side of cutting element slit, comprise three nail row.Nail bin can comprise odd number nail row.Such as, nail bin can comprise two nail row on the first side of cutting element slit, and on the second side of cutting element slit, comprise three nail row.Nail row can comprise the nail with identical or at least substantially the same unshaped staple height.Alternatively, one or more nail is capable comprises the nail having and follow closely different unshaped staple heights from other.Such as, the nail on the first side of cutting element slit can have the first unshaped height, and the nail on the second side of cutting element slit can have the second unshaped height, and this second unshaped height is different from the first height.

Optionally, as mentioned above, nail bin can comprise warehouse, and this warehouse comprises multiple nail chamber be limited to wherein.Warehouse can comprise platform and top platform surface, and wherein each nail chamber can limit the opening in platform surface.Also described above, nail can be positioned in each nail intracavity, and nail is stored in warehouse until it is penetrated from warehouse.Before being penetrated from warehouse, nail can be accommodated in warehouse, makes nail not projecting above platform surface.In such cases, when nail is positioned in below platform surface, the probability of following closely damaged and/or premature contact destination organization can be reduced.In all cases, nail can move between non-firing position and firing position, and in non-firing position, it is not from warehouse projection, and in firing position, it has exposed from warehouse and can contact the anvil block being positioned in nail bin opposite.Anvil block and/or the shaping pit be defined in anvil block can be oriented to anomaly platform surface preset distance, and make when nail is deployed from warehouse, nail is deformed into predetermined forming height.In some cases, be trapped in the thickness variable of the tissue between anvil block and nail bin, therefore, thicker tissue can be trapped in thinner tissue in some nail and can be trapped in some other nail.In any one situation, be applied to the clamping pressure of tissue by nail or power such as can be different because of nail, or change between nail on the other end of nail on one end of nail row and nail row.In some cases, the gap between anvil block and nail bin platform can be controlled, make nail in each nail, apply a certain minimum clamping pressure.But in some such cases, the significant change of the clamping pressure in different nails may still exist.The U.S. Patent No. 7,380 that surgery suturing appliance was announced on June 3rd, 2008, disclosed in having in 696, whole disclosures of this patent are incorporated herein by reference.To be called the U.S. Patent application No.10/374 of " SURGICAL STAPLINGINSTRUMENT INCORPORATING A MULTISTROKE FIRING POSITIONINDICATOR AND RETRACTION MECHANISM " at CO-PENDING and the name owned together for surgical stapling and the illustrative multiple-pass shank that cuts off apparatus, describe in more detail in 026, the disclosure of this patent application is incorporated to way of reference accordingly in full.Other application according to the invention can in conjunction with clicking distribution journey, such as be called " SURGICAL STAPLING INSTRUMENT HAVINGSEPARATE DISTINCT CLOSING AND FIRING SYSTEMS " U.S. Patent application No.10/441 at CO-PENDING and the name owned together, described in 632, the disclosure of this patent application is incorporated to way of reference accordingly in full.

As described herein, nail bin can comprise as lower device: this device is used for compensating the thickness of the tissue of the nail IT disposed from nail bin.See Figure 14, nail bin (such as nail bin 10000) such as can comprise Part I (such as support section 10010) and the compressible Part II (such as tissue thickness's compensating part 10020) of rigidity.First see Figure 16, support section 10010 can comprise warehouse, top platform surface 10011 and multiple nail chamber 10012.Wherein, be similar to mentioned above, each nail chamber 10012 can limit the opening in platform surface 10011.Nail 10030 such as can be positioned in each nail chamber 10012 removedly.Such as, each nail 10030 can comprise base portion 10031 and the one or more distortion lower limbs 10032 from base portion 10031 extension.Before nail 10030 is deployed, also as described in more detail below, the base portion 10031 of nail 10030 can be supported by the staple drivers be positioned in support section 10010, and simultaneously, the lower limb 10032 of nail 10030 can at least be partly accommodated in nail chamber 10012.Nail 10030 can be deployed between non-firing position and firing position, lower limb 10032 is made to move through tissue thickness's compensating part 10020, the top surface of penetrate tissue thickness compensation part 10020, penetrate tissue T, and contact is positioned in the anvil block on nail bin 10000 opposite.When lower limb 10032 is out of shape against anvil block, the lower limb 10032 of each nail 10030 can the part of tissue T in the part of capture tissue thickness compensation part 10020 and each nail 10030, and compression stress is applied to tissue.To being described further above, the lower limb 10032 of each nail 10030 can be made downwards to be out of shape towards the base portion 10031 of nail, and retain region 10039 to form nail, retain region at this nail, tissue T and tissue thickness's compensating part 10020 can be captured.In all cases, nail retain that region 10039 can be limited at strained lower limb 10032 between inner surface and the inner surface of base portion 10031.The size that nail retains region can be depending on some questions, the width of the length of such as lower limb, the diameter of lower limb, base portion and/or the degree of such as lower limb distortion.

Before this, surgeon usually needs the suitable nail selecting to have suitable staple height for the tissue be just sewn.Such as, surgeon can select high nail to use together with thick organizing and select low nail to use together with thin tissue.But in some cases, organizing of being just sewn does not have consistent thickness, therefore, some nails cannot realize the percussion configuration of expectation.Such as, Figure 48 shows for the high nail in thin tissue.Referring now to Figure 49, when tissue thickness's compensating part (such as tissue thickness's compensating part 10020) such as uses together with thin tissue, such as larger nail can be configured as the percussion configuration of expectation.

Due to the compression ratio of tissue thickness's compensating part, tissue thickness's compensating part can compensate the thickness of the tissue be captured in each nail.More specifically, referring now to Figure 43 and Figure 44, tissue thickness's compensating part (such as tissue thickness's compensating part 10020) such as can occupy each nail 10030 nail according to the thickness and/or type following closely the tissue retaining accommodation in region 10039 retains the comparatively large of region 10039 and/or smaller portions.Such as, when thicker tissue T is trapped in nail 10030, if thinner tissue T is trapped in nail 10030, then tissue thickness's compensating part 10020 can occupy the major part that nail retains region 10039.Correspondingly, be trapped in the situation in nail 10030 compared to thinner tissue T, if thicker tissue T is trapped in nail 10030, then tissue thickness's compensating part 10020 can occupy the smaller portions that nail retains region 10039.Like this, tissue thickness's compensating part can compensate for slower thin tissue and/or thicker tissue, and guarantees that compression stress is applied to tissue, no matter no matter and or the tissue thickness be at least substantially trapped in nail.In addition to the above, tissue thickness's compensating part 10020 can compensate the tissue that is dissimilar or different compression ratio be trapped in different nail 10030.Referring now to Figure 44, compression stress can be applied to the vascular tissue T that can comprise blood vessel V by tissue thickness's compensating part 10020, and therefore limit blood flows through not too compressible blood vessel V, but still the compression pressure of expectation is applied to the tissue T of surrounding.In all cases, to being described further above, tissue thickness's compensating part 10020 also can compensate strained nail.See Figure 45, the distortion of various nail 10030 can cause the larger nail be limited in this type of nail to retain region 10039.Due to the resilience force of tissue thickness's compensating part 10020, referring now to Figure 46, even if be limited at this type of nail be out of shape in nail 10030 retain region 10039 can be extended, be positioned at the tissue thickness's compensating part 10020 be out of shape in nail 10030 and still enough compression stresses can be applied to tissue.In all cases, the tissue thickness's compensating part 10020 be positioned in the middle of adjacent nail 10030 can be biased against tissue T by the nail 10030 of the suitable shaping of being out of shape around nail 10030, and therefore compression pressure is applied to such as around and/or be trapped in the tissue be out of shape in nail 10030.In all cases, tissue thickness's compensating part can compensate different tissue densities, and described different tissue density can such as produce due to calcification, zone of fiber and/or the tissue previously having sewed up or processed.

According to the present invention, fixing or unmodifiable interstice can be limited between support section and anvil block, no matter how the thickness being therefore trapped in the tissue in nail all can make nail be deformed into predetermined height.When tissue thickness's compensating part is used for this type of situation, tissue thickness's compensating part can adapt to be trapped in the tissue between anvil block and support section nail bin, and due to the resilience force of tissue thickness's compensating part, additional compression stress can be applied to tissue by tissue thickness's compensating part.Referring now to Figure 50-55, nail 10030 has been configured as predefined height H.With reference to Figure 50, tissue thickness's compensating part is not used, and tissue T occupies whole nail retains region 10039.With reference to Figure 57, a part for tissue thickness's compensating part 10020 has been trapped in nail 10030, tissue T is compressed, and has occupied nail and retain region 10039 at least partially.Referring now to Figure 52, thin tissue T has been trapped in nail 10030.In this embodiment, be there is by the tissue T compressed the height of about 2/9H, and by the tissue thickness's compensating part 10020 compressed, be there is the height of such as approximately 7/9H.Referring now to Figure 53, the tissue T with interior thickness has been trapped in nail 10030.In this embodiment, be there is by the tissue T compressed the height of about 4/9H, and by the tissue thickness's compensating part 10020 compressed, be there is the height of such as approximately 5/9H.Referring now to Figure 54, the tissue T with interior thickness has been trapped in nail 10030.In this embodiment, be there is by the tissue T compressed the height of about 2/3H, and by the tissue thickness's compensating part 10020 compressed, be there is the height of such as approximately 1/3H.Referring now to Figure 53, thick tissue T has been trapped in nail 10030.In this embodiment, be there is by the tissue T compressed the height of about 8/9H, and by the tissue thickness's compensating part 10020 compressed, be there is the height of such as approximately 1/9H.In all cases, tissue thickness's compensating part can comprise compression height, and this compression height comprises: the such as nail of about 10% retain height, about 20% nail retain height, about 30% nail retain height, about 40% nail retain height, about 50% nail retain height, about 60% nail retain height, about 70% nail retain height, about 80% nail retain height and/or about 90% nail retain height.

Nail 10030 can comprise any suitable unshaped height.Nail 10030 can comprise such as between about 2mm and the unshaped height approximately between 4.8mm.Nail 10030 can comprise such as the unshaped height of approximately 2.0mm, approximately 2.5mm, about 3.0mm, about 3.4mm, approximately 3.5mm, approximately 3.8mm, approximately 4.0mm, about 4.1mm and/or about 4.8mm.Follow closely deformable height H to be decided by the distance between the platform surface 10011 of support section 10010 and relative anvil block.Distance between platform surface 10011 and the tissue contacting surface of anvil block can be such as about 0.097 ".Height H also can be determined by the degree of depth of the shaping pit be limited in anvil block.Shaping pit can such as have the degree of depth recorded from tissue contacting surface.Optionally, as described in more detail below, nail bin 10000 also can comprise staple drivers, and nail 10030 can lift towards anvil block by this staple drivers, and nail is lifted or " excessively drive " above platform surface 10011.In this case, the distance that the forming height H following closely 10030 also can be overdriven by nail 10030 decides.The height that such as, nail 10030 can be overdriven such as approximately .028 ", and nail 10030 can be caused to be shaped as such as about 0.189 ".Nail 10030 can be shaped as the height of such as about 0.8mm, approximately 1.0mm, approximately 1.5mm, approximately 1.8mm, approximately 2.0mm and/or about 2.25mm.Nail can be shaped as such as between about 2.25mm and the height approximately between 3.0mm.To being described further above, the height that the nail of nail retains region by the forming height followed closely and can comprise the width of wire rod of nail and diameter determined.The forming height H that the height that the nail of nail 10030 retains region 10039 can comprise nail deducts two diameter widths of wire rod.Nail wire rod can comprise such as about 0.0089 " diameter.Nail wire rod can comprise the diameter such as between about 0.0069 " and about 0.0119 ".Such as, the forming height H of nail 10030 can be about 0.189 ", and follow closely gauge or diameter of wire can be about 0.0089 ", thus such as produces about 0.171 " nail retain height.

To being described further above, tissue thickness's compensating part can comprise the height of unpressed or pre-deployment, and can be deformed in multiple compression height.Tissue thickness's compensating part can comprise such as about 0.125 " uncompressed height.Tissue thickness's compensating part can comprise and is such as more than or equal to about 0.080 " uncompressed height.Tissue thickness's compensating part can comprise the height of unpressed or pre-deployment, and this is highly greater than not pulling the trigger highly of nail.Not pulling the trigger of the comparable nail of height of the unpressed or pre-deployment of tissue thickness's compensating part is highly such as high about 10%, high about 20%, high about 30%, high about 40%, high about 50%, high about 60%, high about 70%, high by about 80%, high about 90% and/or high about 100%.Not pulling the trigger of the comparable nail of height of the unpressed or pre-deployment of tissue thickness's compensating part is highly high by such as at the most about 100%.Not pulling the trigger of the comparable nail of height of the unpressed or pre-deployment of tissue thickness's compensating part is highly high such as more than 100%.Tissue thickness's compensating part can comprise the uncompressed height of not pulling the trigger height equaling to follow closely.Tissue thickness's compensating part can comprise the uncompressed height of not pulling the trigger height being less than nail.The comparable nail of height of the unpressed or pre-deployment of tissue thickness's compensating part do not pull the trigger highly such as low about 10%, low about 20%, low about 30%, low about 40%, low about 50%, low about 60%, low about 70%, low about 80% and/or low by about 90%.Compressible Part II can comprise uncompressed height, and this uncompressed height is higher than the uncompressed height of the tissue T be just sewn.Tissue thickness's compensating part can comprise uncompressed height, and this uncompressed height equals the uncompressed height of the tissue T be just sewn.Tissue thickness's compensating part can comprise uncompressed height, and this uncompressed height is lower than the uncompressed height of the tissue T be just sewn.

As mentioned above, no matter be that thick tissue or thin tissue are trapped in nail, tissue thickness's compensating part all can be compressed in multiple one-tenth staple.Such as, can make the nail distortion in nail line or nail row, the height making the nail of each nail retain region to comprise such as approximately 2.0mm, within wherein tissue T and tissue thickness's compensating part can be compressed to this height.In some cases, tissue T can be included in the compression height that nail retains the about 1.75mm in region, and tissue thickness's compensating part can be included in the compression height that nail retains the about 0.25mm in region, thus the nail obtaining adding up to such as approximately 2.0mm retains region height.In some cases, tissue T can be included in the compression height that nail retains the about 1.50mm in region, and tissue thickness's compensating part can be included in the compression height that nail retains the about 0.50mm in region, thus the nail obtaining adding up to such as approximately 2.0mm retains region height.In some cases, tissue T can be included in the compression height that nail retains the about 1.25mm in region, and tissue thickness's compensating part can be included in the compression height that nail retains the about 0.75mm in region, thus the nail obtaining adding up to such as approximately 2.0mm retains region height.In some cases, tissue T can be included in the compression height that nail retains the about 1.0mm in region, and tissue thickness's compensating part can be included in the compression height that nail retains the about 1.0mm in region, thus the nail obtaining adding up to such as approximately 2.0mm retains region height.In some cases, tissue T can be included in the compression height that nail retains the about 0.75mm in region, and tissue thickness's compensating part can be included in the compression height that nail retains the about 1.25mm in region, thus the nail obtaining adding up to such as approximately 2.0mm retains region height.In some cases, tissue T can be included in the compression height that nail retains the about 1.50mm in region, and tissue thickness's compensating part can be included in the compression height that nail retains the about 0.50mm in region, thus the nail obtaining adding up to such as approximately 2.0mm retains region height.In some cases, tissue T can be included in the compression height that nail retains the about 0.25mm in region, and tissue thickness's compensating part can be included in the compression height that nail retains the about 1.75mm in region, thus the nail obtaining adding up to such as approximately 2.0mm retains region height.

To being described further above, tissue thickness's compensating part can comprise the uncompressed height of the percussion height being less than nail.Tissue thickness's compensating part can comprise the uncompressed height of the percussion height equaling to follow closely.Tissue thickness's compensating part can comprise the uncompressed height of the percussion height higher than nail.Such as, the uncompressed height of tissue thickness's compensating part can comprise such as following thickness, and this thickness is about 180%, about 190% of shaping staple height and/or about 200% of shaping staple height of about 170%, the shaping staple height of about 160%, the shaping staple height of about 150%, the shaping staple height of about 140%, the shaping staple height of about 130%, the shaping staple height of about 120%, the shaping staple height of about 110%, the shaping staple height of shaping staple height.Tissue thickness's compensating part can comprise uncompressed height, and this uncompressed height is more than the twice of percussion height of nail.Tissue thickness's compensating part can comprise compression height, and this compression height is about 85% to about 150% of the staple height that is such as shaped.Optionally, as mentioned above, tissue thickness's compensating part can be compressed between uncompressed thickness and compressed thickness.The compressed thickness of tissue thickness's compensating part can be such as about 70%, about 80% of its uncompressed thickness and/or about 90% of its uncompressed thickness of about 60%, its uncompressed thickness of about 50%, its uncompressed thickness of about 40%, its uncompressed thickness of about 30%, its uncompressed thickness of about 20%, its uncompressed thickness of about 10%, its uncompressed thickness of its uncompressed thickness.The uncompressed thickness of tissue thickness's compensating part can such as about twice thicker in its compressed thickness, about ten times, about 50 times and/or about 100 times.The compressed thickness of tissue thickness's compensating part can between about 60% of its uncompressed thickness and about 99%.Uncompressed thickness its compressed thickness thick at least 50% comparable of tissue thickness's compensating part.Thick 100 times at the most of uncompressed thickness its compressed thickness comparable of tissue thickness's compensating part.Compressible Part II can be elastic, or elastic at least partly, and the distortion lower limb of tissue T against nail can be biased.Such as, compressible Part II can between tissue T and the base portion of nail resilient expansion so that against nail lower limb pushes against tissue T.As described in further detail below, tissue thickness's compensating part can be positioned in the middle of tissue T and distortion nail lower limb.In all cases, due to mentioned above, tissue thickness's compensating part can eliminate any gap of following closely and retaining in region.

Tissue thickness's compensating part can comprise the material by the one or more signs in following characteristic: such as, biocompatibility, bioresorbable, bioresorbability, biological ruggedness, biological degradability, compressibility, fluid absorbency, swellability, self-expanding, biological activity, medicine, pharmaceutically active, Adhesion Resistance, hemostatic, antibiotic property, microbial resistance, antiviral property, trophism, cohesive, permeability, hydrophilic and/or hydrophobicity.According to the present invention, comprise anvil block and can comprise the tissue thickness compensating part relevant to anvil block and/or nail bin with the surgical instruments of nail bin, described tissue thickness compensating part comprises at least one in following material: hemorrhage (such as, fibrin and thrombin), antibiotic (such as, and medicine (such as, matrix metalloproteinase (MMP)) doxycpl).

Tissue thickness's compensating part can comprise synthesis and/or non-synthetic materials.Tissue thickness's compensating part can comprise polymer composition, and described polymer composition comprises one or more synthetic polymers and/or one or more non-synthetic polymer.Synthetic polymer can comprise the absorbable polymer of synthesis and/or the non-absorbable polymer of synthesis.Polymer composition can comprise such as biocompatible foam.Biocompatible foam can comprise the open celled foam of such as porous and/or the closed-cell foam of porous.Biocompatible foam can have uniform pore morphology maybe can have gradient pore form (that is, on the whole depth of foam in a direction, orifice size increases gradually and becomes macropore).Polymer composition can comprise the combination of one or more and they in porous support, porous matrix, gel-type vehicle, hydrogel matrix, solution substrate, thread substrate, tubulose substrate, composite interstitial substance, membrane matrix, Biostatic polymer and biodegradable polymer.Such as, tissue thickness's compensating part can comprise the foam by thread matrix enhancement, maybe can comprise the foam with additional hydrogel layer, and the expansion under body fluid exists of this additional hydrogel layer, to provide compression further organizationally.According to the present invention, tissue thickness's compensating part also can be made up of the coating on material and/or the second layer or third layer, and this coating is expansion under body fluid exists, to provide compression further organizationally.This type of layer can be hydrogel, this hydrogel can be synthesis and/or natural source material, and such as can be biological durable and/or biodegradable.Tissue thickness's compensating part can comprise microgel or nanogel.Hydrogel can comprise coming microgel and/or the nanogel of self-carbon water compound.Can use and the fibrous nonwoven material of additional flexibility, rigidity and/or intensity or fiber mesh type element can be provided to strengthen tissue thickness's compensating part.According to the present invention, tissue thickness's compensating part has porous form, and this porous form shows gradient-structure, such as aperture on a surface and larger hole on the other surface.This type of form is even more ideal for tissue growth or hemostasis behavior.In addition, gradient also can be combined with the bio-absorbable section of change.Short-term absorption profile can be preferably, to solve hemostasis problem, and the problem that Long-term absorption section makes tissue better heal under can solving ne-leakage situation.

The example of non-synthetic materials includes but not limited to lyophilizing polysaccharide, glycoprotein, bovine pericardium, collagen, gelatin, fibrin, Fibrinogen, elastin laminin, Dan Baiduotang proteoglycan PG, keratin, albumin, hydroxyethyl-cellulose, cellulose, oxidized cellulose, oxidized regenerated cellulose (ORC), hydroxypropyl cellulose, carboxyethyl cellulose, carboxymethyl cellulose, chitin, chitosan, casein, alginate and their combination.

The example of synthesis absorbable material includes but not limited to gather (lactic acid) (PLA), PLLA (PLLA), pla-pcl (PCL), polyglycolic acid (PGA), PTMC (TMC), polyethylene terephthalate (PET), polyhydroxyalkanoatefrom (PHA), the copolymer of Acetic acid, hydroxy-, bimol. cyclic ester and 6-caprolactone (PGCL), the copolymer of Acetic acid, hydroxy-, bimol. cyclic ester and trimethylene carbonate, poly-(decanedioic acid glyceride) (PGS), poly-(dioxanone) (PDS), polyester, poly-(ortho esters), poly-esters of oxyacids, polyether ester, Merlon, polyesteramide, condensing model, polysaccharide, poly-(ester-acid amide), tyrosine-based polyarylate, polyamine, tyrosine-based gathers imido-carbonic ester, tyrosine-based polycarbonate, poly-(D, L-lactide-carbamate), poly-(butyric ester), poly-(B-butyric ester), poly-(E-caprolactone), Polyethylene Glycol (PEG), poly-[two (carboxyphenoxy) phosphonitrile], poly-(aminoacid), intend poly-(aminoacid), Absorbable rod polyurethane, poly-(phosphazine), polyphosphazene, polyoxyalkylene, polyacrylamide, poly hydroxy ethyl acrylate, polyvinylpyrrolidone, polyvinyl alcohol, poly-(caprolactone), polyacrylic acid, poly-acetas, polypropylene, aliphatic polyester, glycerol, copolymerization (ether-ester), poly-oxalic acid alkylidene diol ester, polyamide, poly-(iminocarbonic ester), poly-oxalic acid alkylidene diol ester and their combination.Polyester is optional from polylactide, PGA, trimethylene carbonate, poly-dioxanone, polycaprolactone, polybutester and their combination.

Synthesis absorbable polymer can comprise such as can brand name VICRYL (polyglactic910) from Ethicon, Inc. 90/10 commercially available poly-(Acetic acid, hydroxy-, bimol. cyclic ester-L-lactide) copolymer, can brand name DEXON from the commercially available PGA of American Cyanamid Co., can brand name PDS from Ethicon, Inc. commercially available poly-dioxanone, can brand name MAXON from commercially available poly-(Acetic acid, hydroxy-, bimol. cyclic ester-trimethylene carbonate) statistic copolymer of American Cyanamid Co., can brand name MONOCRYL from one or more commercially available 75/25 poly-(glycolide-s-caprolactone-poliglecaprolactone 25) copolymer of Ethicon company.

The non-absorbable material of synthesis includes but not limited to polyurethane, polypropylene (PP), polyethylene (PE), Merlon, polyamide, such as nylon, polrvinyl chloride (PVC), polymethyl methacrylate (PMMA), polystyrene (PS), polyester, polyether-ether-ketone (PEEK), politef (PTFE), polytrifluorochloroethylene (PTFCE), polyvinyl fluoride (PVF), PEP (FEP), polyacetals, polysulfones, silicon and their combination.The non-absorbable polymer of synthesis can include but not limited to elastomeric foams and porous elastomers, such as siloxanes, polyisoprene and rubber.Synthetic polymer can comprise can brand name GORE-TEX soft-tissue patch from W.L.Gore & Associates, Inc. commercially available expanded PTFE (ePTFE), and can brand name NASOPORE from Polyganics commercially available altogether-polyether ester urethane foam plastic.

Polymer composition can comprise such as by weight about 50% to about 90% PLLA polymer composition and by weight about 50% to about 10% the polymer composition of PCL.Polymer composition can comprise such as by weight about 70% PLLA and by weight about 30% PCL.Polymer composition can comprise such as by weight about 55% to about 85% PGA polymer composition and by weight 15% to 45% the polymer composition of PCL.Polymer composition can comprise such as by weight about 65% PGA and by weight about 35% PCL.Polymer composition can comprise such as by weight about 90% to about 95% PGA polymer composition and by weight about 5% to about 10% the polymer composition of PLA.

The absorbable polymer of synthesis can comprise can bio-absorbable, the elastomer copolymer of biocompatibility.Suitable can bio-absorbable, the elastomer copolymer of biocompatibility includes but not limited to that (mol ratio of 6-caprolactone and Acetic acid, hydroxy-, bimol. cyclic ester is preferably about 30:70 to about 70:30 to the copolymer of 6-caprolactone and Acetic acid, hydroxy-, bimol. cyclic ester, being preferably 35:65 to about 65:35, is more preferably 45:55 to 35:65); The elastomer copolymer (mol ratio of 6-caprolactone and lactide is preferably about 35:65 to about 65:35, and is more preferably 45:55 to 30:70) of 6-caprolactone and lactide (comprising L-lactide, D-lactide, their blend or lactic acid copolymer); To the elastomer copolymer (being preferably about 40:60 to about 60:40 to the mol ratio of dioxanone and lactide) of dioxanone (Isosorbide-5-Nitrae-dioxane-2-ketone) and lactide (comprising L-lactide, D-lactide and lactic acid); 6-caprolactone and the elastomer copolymer (6-caprolactone is preferably about 30:70 to about 70:30 with to the mol ratio of dioxanone) to dioxanone; To the elastomer copolymer (being preferably about 30:70 to about 70:30 to the mol ratio of dioxanone and trimethylene carbonate) of dioxanone and trimethylene carbonate; The elastomer copolymer (mol ratio of trimethylene carbonate and Acetic acid, hydroxy-, bimol. cyclic ester is preferably about 30:70 to about 70:30) of trimethylene carbonate and Acetic acid, hydroxy-, bimol. cyclic ester; The elastomer copolymer of trimethylene carbonate and lactide, comprises L-lactide, D-lactide, their blend or lactic acid copolymer (mol ratio of trimethylene carbonate and lactide is preferably about 30:70 to about 70:30); And their blend.Elastomer copolymer can be the copolymer of Acetic acid, hydroxy-, bimol. cyclic ester and 6-caprolactone.Alternatively, elastomer copolymer is the copolymer of lactide and 6-caprolactone.

The name being published in November 21 nineteen ninety-five is called the United States Patent (USP) 5 of " ELASTOMERIC MEDICALDEVICE ", 468,253 and be published in the calendar year 2001 December name of 4 days be called " FOAM BUTTRESS FOR STAPLING APPARATUS " for United States Patent (USP) 6, the disclosure of 325,810 is incorporated to herein separately in full by reference.

Tissue thickness's compensating part can comprise emulsifying agent.The example of emulsifying agent can include but not limited to water-soluble polymer, such as polyvinyl alcohol (PVA), vinylpyrrolidone (PVP), Polyethylene Glycol (PEG), polypropylene glycol (PPG), pluronic (PLURONICS), tween (TWEENS), polysaccharide and their combination.

Tissue thickness's compensating part can comprise surfactant.

The example of surfactant can include but not limited to polyacrylic acid, methylase, methylcellulose, ethyl cellulose, propyl cellulose, hydroxy ethyl cellulose, carboxy methyl cellulose, Polyoxyethylene cetyl ether, polyoxyethylene lauryl ether, polyoxethylene octylphenyl ether, NONIN HS 240, polyoxyethylene oleyl ether, Tween 20, polyoxyethylene stearyl base ether, ethylene nonyl phenyl ether, dialkyl group phenoxy group gathers (ethyleneoxy) ethanol, and poloxamer.

Polymer composition can comprise pharmaceutically active agents.Polymer composition can discharge the pharmaceutically active agents for the treatment of effective dose.Pharmaceutically active agents can discharge when polymer composition is desorbed or absorb.Pharmaceutically active agents can be released to and flow through on polymer composition or through in the fluid (such as, blood) of polymer composition.The example of pharmaceutically active agents can include but not limited to hemorrhage and medicine, such as fibrin, thrombin and oxidized regenerated cellulose (ORC); Antiinflammatory medicine, such as diclofenac, aspirin, naproxen, sulindac and hydrocortisone; Antibiotic and antimicrobial agents or antimicrobial, such as triclosan, ionic silver, ampicillin, gentamycin, polymyxin B, chloromycetin; And anticarcinogen, such as cisplatin, mitomycin, amycin.

Polymer composition can comprise hemostatic material.Tissue thickness's compensating part can comprise hemostatic material, and it comprises poly-(lactic acid), poly-(glycolic), poly-(butyric ester), poly-(caprolactone), poly-(dioxanone), polyoxyalkylene, copolymerization (ether-ester), collagen, gelatin, thrombin, fibrin, Fibrinogen, FN, elastin laminin, albumin, hemoglobin, ovalbumin, polysaccharide, hyaluronic acid, chondroitin sulfate, hetastarch, hydroxyethyl-cellulose, cellulose, oxidized cellulose, hydroxypropyl cellulose, carboxyethyl cellulose, carboxymethyl cellulose, chitin, chitosan, agarose, maltose, maltodextrin, alginate, thrombin, methacrylate, polyurethane, acrylate, platelet agonist, vasoconstrictor, vitriol, calcium, RGD peptide, protein, Protamine sulfates., episilon amino caproic acid, iron sulfate, ferric subsulfate, iron chloride, zinc, zinc chloride, aluminum chloride, aluminum sulfate, aluminum acetate, permanganate, tannin, bone wax, Polyethylene Glycol, fucosan and their combination.The feature of tissue thickness's compensating part can be haemostatic properties.

The feature of the polymer composition of tissue thickness's compensating part is such as percent porosity, hole dimension and/or hardness.Polymer composition can have such as by volume about 30% to about 99% percent porosity.Polymer composition can have such as by volume about 60% to about 98% percent porosity.Polymer composition can have such as by volume about 85% to about 97% percent porosity.Polymer composition can comprise such as by weight about 70% PLLA and by weight about 30% PCL, and can comprise such as by volume about 90% porosity.Such as, therefore, the polymer composition copolymer that will comprise by volume about 10%.Polymer composition can comprise such as by weight about 65% PGA and by weight about 35% PCL, and can have such as by volume about 93% to about 95% percent porosity.Polymer composition can comprise the porosity being greater than 85% by volume.Polymer composition can have the hole dimension of such as about 5 microns to about 2000 microns.Polymer composition can have the hole dimension such as between about 10 microns to about 100 microns.Such as, polymer composition can comprise the copolymer of such as PGA and PCL.Polymer composition can have the hole dimension such as between about 100 microns to about 1000 microns.Such as, polymer composition can comprise the copolymer of such as PLLA and PCL.

According to some aspect, the hardness of polymer composition can Shore hardness represent.This Shore hardness can be defined as the toleration of the permanent indenture to material such as measured by sclerometer.In order to assess the durometer value of given material, the ASTM program D2240-00 of " Standard Test Method for RubberProperty-Durometer Hardness " is called according to name, with penetrator foot, pressure is applied to material, it is incorporated to herein in full by reference.Penetrator foot can be administered to material and continue enough a period of times, such as 15 seconds, such as, wherein reading read from suitable scale.According to scale type used, when the complete penetrable material of pressure head foot, reading 0 can be obtained, and when material is not penetrated, reading 100 can be obtained.This reading dimensionless.Can such as any suitable scale (such as, category-A and/or OO class scale) be utilized to decide durometer according to ASTMD2240-00.The polymer composition of tissue thickness's compensating part can have the Shore A Hardness value of about 4A to about 16A, and this Shore A Hardness value is such as in the Shore OO scope of about 45OO to about 65OO.Such as, polymer composition can comprise such as PLLA/PCL copolymer or PGA/PCL copolymer.The polymer composition of tissue thickness's compensating part can have the Shore A Hardness value being less than 15A.The polymer composition of tissue thickness's compensating part can have the Shore A Hardness value being less than 10A.The polymer composition of tissue thickness's compensating part can have the Shore A Hardness value being less than 5A.Polymeric material can have the Shore OO compositions value of such as approximately 35OO to about 75OO.

Polymer composition can have at least two kinds in the above-mentioned characteristic identified.Polymer composition can have at least three kinds in the above-mentioned characteristic identified.Polymer composition can have such as the porosity of 85% to 97%, the Shore OO hardness value of the hole dimension of 5 microns to 2000 microns and the Shore A Hardness value of 4A to 16A and 45OO to 65OO by volume.Polymer composition can comprise the PLLA of by weight 70% polymer composition and by weight 30% the polymer composition of PCL; Described polymer composition has such as the porosity of 90%, the Shore OO hardness value of the hole dimension of 100 microns to 1000 microns and the Shore A Hardness value of 4A to 16A and 45OO to 65OO by volume.Polymer composition can comprise the PGA of by weight 65% polymer composition and by weight 35% the polymer composition of PCL; Described polymer composition has such as the porosity of 93% to 95%, the Shore OO hardness value of the hole dimension of 10 microns to 100 microns and the Shore A Hardness value of 4A to 16A and 45OO to 65OO by volume.

Thickness organizes compensating part can comprise the material of expansion.As mentioned above, tissue thickness's compensating part can comprise when uncompressed or dispose time expansion compression material.Tissue thickness's compensating part can comprise original position formed from expansion material.Tissue thickness's compensating part can comprise at least one precursor, and described precursor is selected spontaneously to be cross-linked when contacting at least one in other precursors, water and/or body fluid.According to the present invention, the first precursor can contact other precursors one or more to form tissue thickness's compensating part of extendible and/or swellable.Tissue thickness's compensating part can comprise the swollen compositions of fluid-soluble, such as, and the compositions of water-swellable.Tissue thickness's compensating part can comprise aqueous gel.

Tissue thickness's compensating part can comprise the biodegradable foam with packaging part, and described packaging part comprises embedding dried hydrogel granule wherein or granule.By the constraint of any concrete theory, the packaging part in foam contacts to form foam by the organic solution of the aqueous solution with biocompatible materials that make hydrogel precursor and is formed.Aqueous solution and organic solution can form micelle.Aqueous solution and organic solution can be dried to encapsulate dried hydrogel granule in foam or granule.Such as, hydrogel precursor (such as hydrophilic polymer) is dissolvable in water water to form the dispersion of micelle.Aqueous solution can contact the organic solution of the dioxane comprising poly-(glycolic) and polycaprolactone.Aqueous solution and organic solution can be lyophilized thus be formed has dispersion hydrogel particle wherein or the biodegradable foam of granule.By the constraint of any concrete theory, but it is believed that micelle formation packaging part, described packaging part has and is dispersed in dried hydrogel granule in foaming structure or granule.This packaging part can break, and hydrogel particle or granule can contacting with fluid (such as body fluid) expanding.

Optionally, as mentioned above, tissue thickness's compensating part can comprise original depth and expansion thickness.The original depth of tissue thickness's compensating part can be such as about 0.001% of its expansion thickness, about 0.01% of its expansion thickness, about 0.1% of its expansion thickness, about 1% of its expansion thickness, about 10% of its expansion thickness, about 20% of its expansion thickness, about 30% of its expansion thickness, about 40% of its expansion thickness, about 50% of its expansion thickness, about 60% of its expansion thickness, about 70% of its expansion thickness, about 80% of its expansion thickness, and/or about 90% of its expansion thickness.The expansion thickness of tissue thickness's compensating part can such as thicker than its original depth about 2 times, about 5 times, about 10 times, about 50 times, about 100 times, about 200 times, about 300 times, about 400 times, about 500 times, about 600 times, about 700 times, about 800 times, about 900 times and/or about 1000 times.The original depth of tissue thickness's compensating part can up to its expand thickness 1%, up to its expansion thickness 5%, up to its expansion thickness 10% and up to 50% of its expansion thickness.Expansion thickness its original depth comparable of tissue thickness's compensating part is thick at least 50%, thicker than its original depth at least 100%, than its original depth thick at least 300% with than its original depth thick at least 500%.As mentioned above, in all cases, tissue thickness's compensating part can eliminate any gap of following closely and retaining in region.

As mentioned above, tissue thickness's compensating part can comprise hydrogel.Hydrogel can comprise homopolymer hydrogel, copolymer aquagel, multipolymer hydrogel, interpenetrating polymer hydrogel and their combination.Hydrogel can comprise microgel, nanogel and their combination.Hydrogel can comprise the hydrophilic polymer network that can absorb and/or retain fluid substantially.Hydrogel can comprise noncrosslinking hydrogel, crosslinked hydrogel and their combination.Hydrogel can comprise chemical cross-linking agent, physical crosslinking agent, hydrophobic fragment and/or the undissolved fragment of water.By polyreaction, micromolecule, crosslinked and/or Polymer-Polymer is cross-linked and is chemically cross-linked hydrogel.Hydrogel is physically cross-linked by ionic interaction, hydrophobic interaction, hydrogen bonded interaction, stereocomplex and/or supramolecular chemistry.Hydrogel can be substantially undissolved because of cross-linking agent, hydrophobic fragment and/or the undissolved fragment of water, but is easily extensible and/or swelling because absorbing and/or keep fluid.Precursor and/or can be organized crosslinked with endogenous material.

Hydrogel can comprise enviromental sensitive hydrogel (ESH).ESH can comprise the material with the fluid swollen characteristic relevant to environmental condition.Environmental condition can include but not limited at the physical condition of operative site, biotic factor and/or electrochemical conditions.Such as, in response to temperature, pH, electric field, ionic strength, enzyme and/or chemical reaction, electricity and/or Neural stem cell, and other physiological and variablees that are environment, hydrogel swellable or contraction.ESH can comprise polyfunctional acrylate, hydroxyethyl methylacrylate (HEMA), elastomeric acrylate and relevant monomer.

The tissue thickness's compensating part comprising hydrogel can comprise at least one in non-synthetic materials mentioned above and synthetic material.Hydrogel can comprise synthetic water gel and/or non-synthetic hydrogel.Tissue thickness's compensating part can comprise multiple layer.Multiple layer can comprise porous layer and/or non-porous layer.Such as, tissue thickness's compensating part can comprise non-porous layer and porous layer.And for example, tissue thickness's compensating part can comprise the porous layer in the middle of the first non-porous layer and the second non-porous layer.And for example, tissue thickness's compensating part can comprise the non-porous layer in the middle of the first porous layer and the second porous layer.Non-porous layer and porous layer can be located relative to the surface of nail bin and/or anvil block in any order.

The example of non-synthetic materials can include but not limited to albumin, alginate, carbohydrate, casein, cellulose, chitin, chitosan, collagen, blood, glucosan, elastin laminin, fibrin, Fibrinogen, gelatin, heparin, hyaluronic acid, keratin, protein, serum and starch.Cellulose can comprise hydroxyethyl-cellulose, oxidized cellulose, oxidized regenerated cellulose (ORC), hydroxypropyl cellulose, carboxyethyl cellulose, carboxymethyl cellulose and their combination.Collagen can comprise bovine pericardium.Carbohydrate can comprise polysaccharide, such as lyophilizing polysaccharide.Protein can comprise glycoprotein, Dan Baiduotang proteoglycan PG or their combination.

The example of synthetic material can include but not limited to gather (lactic acid), poly-(glycolic), poly-(butyric ester), poly-(phosphazine), polyester, Polyethylene Glycol, poly(ethylene oxide), poly(ethylene oxide)-polypropylene oxide copolymers, copolymerization oxirane, polyoxyalkylene, polyacrylamide, poly hydroxy ethyl acrylate, PVP, polyvinyl alcohol, poly-(caprolactone), poly-(dioxanone), polyacrylic acid, poly-acetas, polypropylene, aliphatic polyester, glycerol, poly-(aminoacid), copolymerization (ether-ester), poly-oxalic acid alkylidene diol ester, polyamide, poly-(iminocarbonic ester), poly-esters of oxyacids, poe, polyphosphazene and their combination.Conventional method can be used to prepare above-mentioned non-synthetic materials synthetically, such as, synthesize hyaluronic acid.

Hydrogel can be made up of one or more hydrogel precursors.Precursor can comprise monomer and/or macromonomer.Hydrogel precursor can comprise electrophile functional group and/or the electrophile functional group of nucleophile.In general, electrophilely can react to form chemical bond with nucleophile.Term used herein " functional group " refers to electrophilic group or the nucleophilic group that can react to be formed chemical bond each other.The example of Qin electricity functional group can include but not limited to N-hydroxy-succinamide (" NHS "), sulfosuccinimide, carbonyl dimidazoles, sulfonic acid chloride, aryl halide, sulfosuccinic ester, N-hydroxy-succinamide ester, succinimide ester, such as succinimidyl succinate and/or succinimidyl propionate, isocyanide ester, sulfocyanic ester, carbodiimides, Benzotriazole carbonate, epoxide, aldehyde, maleimide, imino-ester, their combination etc.Qin electricity functional group can comprise succinimide ester.The example of nucleophilic functional group can include but not limited to-NH ₂,-SH ,-OH ,-PH ₂with-CO-NH-NH ₂.

Hydrogel can be formed by single precursor or multiple precursor.Hydrogel can be formed by the first precursor and the second precursor.First hydrogel precursor and the second hydrogel precursor can original positions or form hydrogel in vivo when contacting.Hydrogel precursor generally can refer to polymer, functional group, macromole, micromolecule and/or can participate in reaction with the cross-linking agent forming hydrogel.Precursor can comprise such as homogeneous solution, solution that is uneven or that be separated in appropriate solvent, such as water or buffer.The pH of buffer can be such as about 8 to about 12, and all according to appointment 8.2 to about 9.The example of buffer can include but not limited to borate buffer solution.Precursor can in emulsion.According to the present invention, the first precursor can with the second precursors reaction to form hydrogel.First precursor spontaneously can be cross-linked when contact the second precursor.According to the present invention, the first Zu Qin electricity functional group on the first precursor can react with group nucleophilic functional group of second on the second precursor.When precursor is blended in the environment allowing reaction (such as, when relevant to pH, temperature and/or solvent), functional group can react to form covalent bond each other.When at least some in precursor and more than other a precursors reaction, precursor can become crosslinked.

Tissue thickness's compensating part can comprise at least one monomer, and described monomer is selected from 3-sulfopropyl acrylic acid potassium salt (" KSPA "), sodium acrylate (" NaA "), N-(three (hydroxymethyl) methyl) acrylamide (" triacryl ") and 2-acrylamide-2-methyl isophthalic acid-propane sulfonic acid (AMPS).Tissue thickness's compensating part can comprise copolymer, and this copolymer comprises two or more monomer being selected from KSPA, NaA, triacryl, AMPS.Tissue thickness's compensating part can comprise the homopolymer deriving from KSPA, NaA, triacryl, AMPS.Tissue thickness's compensating part can comprise can with the hydrophilically modified monomer of its copolymerization.Hydrophilically modified monomer can comprise methyl methacrylate, butyl acrylate, cyclohexyl acrylate, styrene, styrene sulfonic acid.

Tissue thickness's compensating part can comprise cross-linking agent.Cross-linking agent can comprise low-molecular-weight two or polyvinyl crosslinking agents, such as glycol diacrylate or dimethylacrylate, two, three or tetravinyl-glycol diacrylate or dimethylacrylate, pi-allyl (methyl) acrylate, C ₂-C ₈-alkylidene diacrylate or dimethylacrylate, divinyl ether, divinyl sulfone, two and trivinylbenzene, trimethylolpropane triacrylate or trimethyl acrylic ester, tetramethylol methane tetraacrylate or tetramethyl acrylate, bisphenol a diacrylate or dimethylacrylate, methylene-bisacrylamide or DMAA, ethylene bisacrylamide or ethylene DMAA, triallyl phthalate or diallyl phthalate.Cross-linking agent can comprise N, N'-methylene-bisacrylamide (" MBAA ").

Tissue thickness's compensating part can comprise acrylate and/or methacrylate official energy hydrogel, biocompatibility light trigger, alkyl-cyanoacrylate, at least one in isocyanate-functional macromonomer, optionally comprise amine official energy macromonomer, succinimide ester official energy macromonomer, optionally comprise amine and/or Mercaptofunctional macromonomer, epoxy functional macromonomer, optionally comprise amine official energy macromonomer, the mixture of protein and/or polypeptide and aldehyde cross-linking agent, the carbodiimides of genipin (Genipin) and water dissolvable, anion polysaccharide and polyvalent cation.

Tissue thickness's compensating part can comprise undersaturated organic acid monomer, acrylic acid substituted alcohols and/or acrylamide.Tissue thickness's compensating part can comprise methacrylic acid, acrylic acid, glyceryl acrylate, glycerol methacrylate, 2-HEMA, 2-2-(Acryloyloxy)ethanol, 2-(dimethyl aminoethyl) methacrylate, NVP, Methacrylamide and/or N,N-DMAA poly-(methacrylic acid).

Tissue thickness's compensating part can comprise reinforcing material.Reinforcing material can comprise at least one in above-described non-synthetic materials and synthetic material.Reinforcing material can comprise collagen, gelatin, fibrin, Fibrinogen, elastin laminin, keratin, albumin, hydroxyethyl-cellulose, cellulose, oxidized cellulose, hydroxypropyl cellulose, carboxyethyl cellulose, carboxymethyl cellulose, chitin, chitosan, alginate, poly-(lactic acid), poly-(glycolic), poly-(butyric ester), poly-(phosphazine), polyester, Polyethylene Glycol, polyoxyalkylene, polyacrylamide, poly hydroxy ethyl acrylate, polyvinylpyrrolidone, polyvinyl alcohol, poly-(caprolactone), poly-(dioxanone), polyacrylic acid, poly-acetas, pla-pcl, polypropylene, aliphatic polyester, glycerol, poly-(aminoacid), copolymerization (ether-ester), poly-oxalic acid alkylidene diol ester, polyamide, poly-(iminocarbonic ester), poly-oxalic acid alkylidene diol ester, poly-esters of oxyacids, poe, polyphosphazene and their combination.

Tissue thickness's compensating part can comprise the layer comprising reinforcing material.The porous layer of tissue thickness's compensating part and/or non-porous layer can comprise reinforcing material.Such as, porous layer can comprise reinforcing material and non-porous layer can not comprise reinforcing material.Enhancement layer can comprise the internal layer in the middle of the first non-porous layer and the second non-porous layer.Enhancement layer can comprise the skin of tissue thickness's compensating part.Enhancement layer can comprise the outer surface of tissue thickness's compensating part.

Reinforcing material can comprise mesh sheet, monofilament, multifilament weave fabric, fiber, pad, felt, granule and/or powder.Reinforcing material can be attached in the layer of tissue thickness's compensating part.Reinforcing material can be attached at least one in non-porous layer and porous layer.Can use routine techniques (such as knitting, braiding, tatting and/knitting or form the mesh sheet comprising reinforcing material.

According to the present invention, multiple reinforcement material can be oriented to random direction and/or common direction.Common direction can be such as with nail line parallel and the one with nail line vertical centering control.Such as, monofilament and/or multifilament weave fabric can random direction and/or common direction orientations.Monofilament and multifilament weave fabric can be associated with non-porous layer and/or porous layer.Tissue thickness's compensating part can be included in non-porous layer with multiple fortifying fibres of random direction orientation.Tissue thickness's compensating part can be included in non-porous layer with multiple fortifying fibres of common direction orientation.

Fiber can form non-woven material, such as, and pad and felt.Fiber can have any suitable length, such as, from 0.1mm to 100mm and 0.4mm to 50mm.Reinforcing material can be ground into powder.Powder can have such as from the granularity of 10 microns to 1 centimetre.Powder can be attached in tissue thickness's compensating part.

Tissue thickness's compensating part can original position be formed.Hydrogel can original position be formed.Tissue thickness's compensating part is formed by covalency ion and/or hydrophobic bond original position.Physics (non-covalent) is crosslinked can be caused by complexation, hydrogen bonding, desolvation, Van der Waals interaction, ionic bonding and their combination.Chemistry (covalency) is crosslinked to be realized by any one in following number of mechanisms: radical polymerization, polycondensation, anion or cationic polymerization, step growth polymerization, close isoelectric substance-nucleophile reaction and their combination.

Optionally, the original position of tissue thickness's compensating part is formed to comprise and makes two or more precursors reaction, and described precursor is physically separated until original position contacts and/or reacts to environmental condition thus react each other to form hydrogel.The polymerisable polymer of original position can be prepared by precursor, and described precursor can react to form polymer at operative site.Tissue thickness's compensating part is formed by precursor cross-linking reaction in position.Precursor can comprise the initiator of the polyreaction of the formation that can cause for original position tissue thickness compensating part.The precursor that tissue thickness's compensating part can be activated when can be included in the application forming cross-linked hydrogel.The original position of tissue thickness's compensating part is formed to comprise and excites at least one precursor to form chemical bond, thus formative tissue thickness compensation part.Optionally, activate and realize by the change at operative site physical condition, biotic factor and/or electrochemical conditions, described condition change includes but not limited to temperature, pH, electric field, ionic strength, enzyme and/or chemical reaction, electricity and/or Neural stem cell, and other physiological and environmental variables.Precursor can contact body exterior and introduce operative site.

Tissue thickness's compensating part can comprise one or more packaging part or unit that can store at least one component wherein.Packaging part can store hydrogel precursor wherein.Such as, packaging part can store two kinds of components wherein.Packaging part can store the first hydrogel precursor and the second hydrogel precursor wherein.First packaging part can store the first hydrogel precursor wherein and the second packaging part can store the second hydrogel precursor wherein.As mentioned above, packaging part can align with nail lower limb or at least substantial alignment thus pierce through packaging part when following closely lower limb and contacting packaging part and/or in other words make packaging part break.When disposing nail, this packaging part can be compressed, conquassation, collapse and/or in other words break.After packaging part breaks, storing component wherein can flow out packaging part.Store component wherein and can contact other components, the layer of tissue thickness's compensating part and/or tissue.Other components can from identical or different packaging part, provide in the layer of tissue thickness's compensating part and/or by clinician for operative site.As above-described result, the component be stored in packaging part can provide the expansion of tissue thickness's compensating part and/or swelling.

Tissue thickness's compensating part can comprise the layer containing packaging part.Packaging part can comprise be associated with layer space, pit, dome, pipe and their combination.Packaging part can comprise the space in layer.Layer can comprise two layers that can invest each other, and wherein packaging part can be defined between two layers.Packaging part can comprise the dome on layer surface.Such as, can being positioned at least partially in the dome that upwards extends from layer of packaging part.Packaging part can be included in the pit formed in layer.The Part I of packaging part can comprise dome, and the Part II of packaging part can comprise pit.Packaging part can be included in the pipe that layer is embedded in.Pipe can comprise non-synthetic materials as herein described and/or synthetic material, such as PLA.Tissue thickness's compensating part can comprise the foam of biological absorbable, such as ORC, and the foam of described biological absorbable comprises embedding PLA pipe wherein, and this pipe can encapsulate such as hydrogel.Packaging part can comprise mutual unconnected separate unit.In packaging part one or more can via extend through one or more paths of layer, conduit and/or passage and mutually fluid be communicated with.

Release rate from the component of packaging part can be controlled by the following stated: the thickness of such as tissue thickness's compensating part, the ingredient of tissue thickness's compensating part, the size of component, the hydrophilic of component and/or the physics in component and/or chemical interaction, the ingredient of tissue thickness's compensating part and/or surgical instruments.Layer can comprise one or more light filling bar or weakening part (such as local perforations), and such as described one or more light filling bar or weakening part can be conducive to incised layer and packaging part is broken.Local perforations can not extend fully through layer, and in some cases, perforation may extend entirely through layer.

Optionally, anvil block can comprise tissue thickness's compensating part, and described tissue thickness compensating part comprises the encapsulation component with at least one microsphere particle.Tissue thickness's compensating part can comprise packaging part, and described packaging part comprises the first encapsulation component and the second encapsulation component.Tissue thickness's compensating part can comprise packaging part, and described packaging part comprises the first microsphere particle and the second microsphere particle.

Tissue thickness's compensating part can be suitable for using together with surgical instruments.As mentioned above, tissue thickness's compensating part can be associated with nail bin and/or anvil block.Tissue thickness's compensating part can be configured to any shape, size and/or the dimension that are suitable for coordinating nail bin and/or anvil block.As described herein, tissue thickness's compensating part can be attached to nail bin and/or anvil block releasedly.Before sewing process and during sewing process, any machinery that tissue thickness's compensating part can keep tissue thickness's compensating part to contact with nail bin and/or anvil block and/or the mode of chemistry be attached to nail bin and/or anvil block.After nail piercing tissue thickness compensation part, can remove from nail bin and/or anvil block or discharge tissue thickness's compensating part.When nail bin and/or anvil block move away from tissue thickness's compensating part, can remove from nail bin and/or anvil block or discharge tissue thickness's compensating part.

Referring now to Figure 14, nail bin (such as nail bin 10000) such as can comprise support section 10010 and compressible tissue thickness compensating part 10020.Referring now to Figure 16-Figure 18, multiple nail chambeies 10012 that support section 10010 can comprise platform surface 10011 and be limited in support section 10010.The size in each nail chamber 10012 such as can be set to and can store nail removedly wherein, such as follows closely 10030.Nail bin 10000 also can comprise multiple staple drivers 10040, and when nail 10030 and staple drivers 10040 are in its non-firing position, each staple drivers can one or more nails 10030 in support nail chamber 10012.Such as, first see Figure 22 and Figure 23, each staple drivers 10040 can comprise such as one or more support or groove 10041, and this support or groove can support nail the relative motioies limited between nail 10030 and staple drivers 10040.Refer again to Figure 16, nail bin 10000 also can comprise nail percussion sliding part 10050; This nail percussion sliding part can move to the distal end 10002 of nail bin from the proximal extremity 10001 of nail bin, staple drivers 10040 and nail 10030 to be lifted from its non-firing position to the anvil block being positioned in nail bin 10000 opposite successively.First see Figure 16 and Figure 18, one or more lower limbs 10032 that each nail 10030 can comprise base portion 10031 and extend from base portion 10031, wherein each nail can be at least one in such as basic U-shaped and basic V-arrangement.Nail 10030 can make when nail 10030 is in its non-firing position, caves in relative to the platform surface 10011 of support section 10010 in the top of nail lower limb 10032.Nail 10030 can make when nail 10030 is in its non-firing position, and the top of nail lower limb 10032 flushes relative to the platform surface 10011 of support section 10010.Nail 10030 can make when nail 10030 is in its non-firing position, and the top of nail lower limb 10032 or at least certain part of nail lower limb 10032 extend to above the platform surface 10011 of support section 10010.In this case, when nail 10030 is in its non-firing position, nail lower limb 10032 may extend into and enters and be embedded in tissue thickness's compensating part 10020.Such as, follow closely lower limb 10032 and such as can to extend to above platform surface 10011 about 0.075 ".Nail lower limb 10032 such as can extend to the distance above platform surface 10011 between about 0.025 " and about 0.125 ".To being described further above, tissue thickness's compensating part 10020 can comprise the uncompressed thickness such as between about 0.08 " and about 0.125 ".

In use, to be described further above and first see Figure 31, anvil block such as anvil block 10060 is such as moveable to the make position relative with nail bin 10000.As described in more detail below, tissue can be located against tissue thickness's compensating part 10020 and such as tissue thickness's compensating part 10020 be pressed to the platform surface 10011 of support section 10010 by anvil block 10060.Once anvil block 10060 is appropriately located, then can dispose nail 10030, equally as shown in figure 31.Optionally, as mentioned above, nail percussion sliding part 10050 can move from proximal extremity 10001 distal end 10002 of nail bin 10000, as shown in figure 32.When sliding part 10050 is pushed into, sliding part 10050 can contact stud driver 10040 and nail chamber 10012 in staple drivers 10040 is upwards lifted.Sliding part 10050 and staple drivers 10040 can comprise one or more slope or inclined-plane separately, and this one or more slope or inclined-plane can cooperate staple drivers 10040 is moved upward from its non-firing position.Such as, see Figure 19-Figure 23, each staple drivers 10040 can comprise at least one inclined-plane 10042, and sliding part 10050 can comprise one or more inclined-plane 10052, it can make when sliding part 10050 is distally pushed in nail bin, and inclined-plane 10052 is in inclined-plane 10042 lower slider.When staple drivers 10040 is upwards lifted in its respective nail chamber 10012, nail 10030 can upwards lift by staple drivers 10040, and nail 10030 is exposed from its nail chamber 10012 by the opening in nail platform 10011.During exemplary percussion sequence, first see Figure 25-Figure 27, sliding part 10050 can first contact stud 10030a and start nail 10030a upwards to lift.When sliding part 10050 is distally further promoted, sliding part 10050 can start nail 10030b, 10030c, 10030d, 10030e and 10030f and any other follow-up nail to lift in order.As shown in figure 27, nail 10030 can upwards drive by sliding part 10050, makes the lower limb 10032 of the nail contacted with relative anvil block be deformed into the shape of expectation, and is penetrated from support section 10010.In all cases, as a part for percussion sequence, multiple nail can move upward by sliding part 10030 simultaneously.With reference to the percussion sequence shown in Figure 27, nail 10030a and 10030b has moved to its complete firing position and has been penetrated from support section 10010, nail 10030c and 10030d is in and is at least partly accommodated in support section 10010 in the process pulled the trigger, and follows closely 10030e and 10030f and be still in its non-firing position.

As mentioned above and see Figure 33, when nail 10030 is in its non-firing position, the nail lower limb 10032 of nail 10030 may extend into above the platform surface 10011 of support section 10010.With further reference to the percussion sequence shown in Figure 27, nail 10030e and 10030f is depicted as and is in its non-firing position, and its nail lower limb 10032 to extend to above platform surface 10011 and extends in tissue thickness's compensating part 10020.When nail 10030 is in its non-firing position, the top tissue contacting surface 10021 of the top of nail lower limb 10032 or any other part possibility Bu Tuchuan tissue thickness compensating part 10020 of nail lower limb 10032.As shown in figure 27, when nail 10030 moves to its firing position from its non-firing position, the end of nail lower limb convexly can wear tissue contacting surface 10032.The top of nail lower limb 10032 can comprise the sharp top can cut with penetrate tissue thickness compensation part 10020.Tissue thickness's compensating part 10020 can comprise multiple hole, and described multiple hole can receive nail lower limb 10032 and allow nail lower limb 10032 to slide relative to tissue thickness's compensating part 10020.Support section 10010 also can comprise the multiple guiders 10013 extended from platform surface 10011.Guider 10013 can be oriented to the nail chamber opening of contiguous platform surface 10011, and nail lower limb 10032 can be supported by guider 10013 at least in part.Guider 10013 can be positioned in proximal extremity and/or the distal end place of nail chamber opening.According to the present invention, first guider 10013 can be positioned in the first end of each nail chamber opening, and the second guider 10013 can be positioned in the second end of each nail chamber opening, make each first guider 10013 can support nail 10030 first nail lower limb 10032, and each second guider 10013 can support nail second nail lower limb 10032.See Figure 33, each guider 10013 can comprise groove or slit, such as groove 10016, such as, follow closely lower limb 10032 and can be slidably received in this groove 10016.Optionally, each guider 10013 can comprise and can extend from platform surface 10011 and may extend into anti-skid stud, projection and/or the spike tissue thickness's compensating part 10020.As described in more detail below, anti-skid stud, projection and/or spike can reduce the relative motion between tissue thickness's compensating part 10020 and support section 10010.The top of nail lower limb 10032 can be positioned in guider 10013 and can not to extend to when nail 10030 is in its non-firing position above the top surface of guider 10013.Such as, guider 10013 can limit guiding height, and can not extend to this guiding elevation-over when nail 10030 is in its non-firing position.

According to the present invention, tissue thickness's compensating part (such as tissue thickness's compensating part 10020) such as can be made up of single material piece.Tissue thickness's compensating part can comprise continuous sheet, and this continuous sheet can cover the whole top platform surface 10011 of support section 10010, or alternatively, covers and be less than whole platform surface 10011.Material piece can cover the nail chamber opening in support section 10010, but alternatively, material piece can comprise can with nail chamber register or the opening that aligns at least partly.According to the present invention, tissue thickness's compensating part can be made up of such as multiple material layer.Referring now to Figure 15, tissue thickness's compensating part can comprise compressible core and the wrappage around compressible core.Compressible core can be remained to support section 10010 by wrappage 10022 releasedly.Such as, support section 10010 can comprise such as from one or more protuberances that it extends, such as protuberance 10014 (Figure 18), this protuberance can be received in one or more hole and/or slit, is such as limited in the hole 10024 in wrappage 10022.Protuberance 10014 and hole 10024 can make protuberance 10014 wrappage 10022 can be remained to support section 10010.The end of protuberance 10014 can be such as out of shape by hot melt process, to expand the end of protuberance 10014, and therefore limits the relative motion between wrappage 10022 and support section 10010.Wrappage 10022 can comprise one or more perforation 10025, and it can be conducive to wrappage 10022 to discharge from support section 10010, as shown in figure 15.Referring now to Figure 24, tissue thickness's compensating part can comprise wrappage 10222, and this wrappage comprises multiple hole 10223, and its mesopore 10223 with the nail chamber register in support section 10010 or can align at least partly.The core of tissue thickness's compensating part also can comprise the hole of aliging with the hole 10223 in wrappage 10222 or aliging at least partly.Alternatively, the core of tissue thickness's compensating part can comprise continuous main body and may extend into below hole 10223, makes the nail chamber opening in continuous main body covering platform surface 10011.

Optionally, as mentioned above, tissue thickness's compensating part can comprise the wrappage for compressible core being remained to releasedly support section 10010.Such as, see Figure 16, nail bin also can comprise keeper fixture 10026, and this keeper fixture can suppress wrappage and compressible core to be separated with support section 10010 prematurely.Optionally, each keeper fixture 10026 can comprise the hole 10028 that can receive the protuberance 10014 extended from support section 10010, makes keeper fixture 10026 can be held support section 10010.Keeper fixture 10026 can comprise at least one flat of bottom 10027 separately, and this flat of bottom to may extend into below support section 10010 and keeps staple drivers 10040 in support section 10010 inner support.As mentioned above, tissue thickness's compensating part is attached to support section 10010 removedly by following closely 10030.More particularly, also as mentioned above, when nail 10030 is in its non-firing position, the lower limb of nail 10030 may extend in tissue thickness's compensating part 10020, and therefore tissue thickness's compensating part 10020 is remained to support section 10010 releasedly.The lower limb of nail 10030 can the sidewall contact in its corresponding nail chamber 10012, and wherein, due to the friction between nail lower limb 10032 and sidewall, nail 10030 and tissue thickness's compensating part 10020 can be maintained at appropriate location, until nail 10030 is deployed from nail bin 10000.After nail 10030 is deployed, tissue thickness's compensating part 10020 can be trapped in nail 10030 and to be kept against the tissue T sewed up.When anvil block moves to open position subsequently to discharge tissue T, the movable tissue thickness's compensating part 10020 away from being fixed to tissue of support section 10010.Binding agent can be used so that tissue thickness's compensating part 10020 is remained to support section 10010 removedly.Two-part adhesive can be used, wherein, the Part I of binding agent can be placed on platform surface 10011, and the Part II of binding agent can be placed on tissue thickness's compensating part 10020, make when tissue thickness's compensating part 10020 be close to platform surface 10011 place time, Part I can contact Part II to enable binding agent and tissue thickness's compensating part 10020 is bonded to support section 10010 separably.Optionally, any other suitable method can be used tissue thickness's compensating part to be remained to separably the support section of nail bin.

To being described further above, sliding part 10050 proximally can be advanced to distal end 10002 to dispose all nails 10030 be accommodated in nail bin 10000 completely by end 10001.Referring now to Figure 56-Figure 60, sliding part 10050 distally can be advanced by the knife bar 10052 of firing member or surgical stapling device in the longitudinal cavity 10016 in support section 10010.In use, nail bin 10000 can be inserted in the nail bin passage in the jaw of surgical stapling device, and such as, in nail bin path 10 070, and firing member 10052 can be advanced to and contacts with sliding part 10050, as shown by the circuit diagram of figure 56.When sliding part 10050 is distally advanced by firing member 10052, sliding part 10050 can contact staple drivers or the driver 10040 of recent side, and nail 10030 is pulled the trigger from warehouse 10010 or penetrated, as mentioned above.As shown by the circuit diagram of figure 56, firing member 10052 also can comprise cutting blade 10053, and when nail 10030 is by percussion, this cutting blade is distally pushed into by the cutter slit in support section 10010.According to the present invention, corresponding cutter slit can extend across the anvil block being positioned in nail bin 10000 opposite, cutting blade 10053 can be extended between anvil block and support section 10010 and cut the tissue and tissue thickness's compensating part that are positioned in therebetween.In all cases, sliding part 10050 distally can be advanced by firing member 10052, until sliding part 10050 arrives the distal end 10002 of nail bin 10000, as shown in Figure 58.Now, firing member 10052 can proximally bounce back.Sliding part 10050 proximally can bounce back with firing member 10052, but referring now to Figure 59, when firing member 10052 bounces back, sliding part 10050 can be left in the distal end 10002 of nail bin 10000.Once firing member 10052 fully bounces back, anvil block can be opened again, and tissue thickness's compensating part 10020 can be separated with support section 10010, and has exhausted the remaining non-implanted portion of nail bin 10000, comprise support section 10010, can be removed from nail bin path 10 070.

When exhausting after nail bin 10000 is removed from nail bin passage, to being described further above, new nail bin 10000 or any other suitable nail bin can be inserted in nail bin path 10 070.To being described further above, nail bin path 10 070, firing member 10052 and/or nail bin 10000 can comprise cooperative structures, and this cooperative structures can prevent firing member 10052 again or to be subsequently distally pushed in new not pulling the trigger when nail bin 10000 is not positioned in nail bin path 10 070.More particularly, refer again to Figure 56, when firing member 10052 be advanced to contact with sliding part 10050 time, and when sliding part 10050 is in the non-firing position of its nearside, the support nose 10055 of firing member 10052 can be positioned on the support lugn 10056 on sliding part 10050 and/or on, make firing member 10052 be maintained at enough positions upwards, fall into prevent the lock that extends from firing member 10052 or crossbeam 10054 the lock groove be limited in nail bin passage.Due to lock 10054 can not fall into lock groove time, in such cases, when firing member 10052 is pushed into, lock 10054 can not adjoin locks the distally sidewall 10057 of groove.When sliding part 10050 distally promotes by firing member 10052, firing member 10052 can be supported on its upwards firing position due to the support nose 10055 leaned against on support lugn 10056.When firing member 10052 bounces back relative to sliding part 10050, as mentioned above also as shown in Figure 59, when supporting nose 10055 and not relying on the support lugn 10056 of sliding part 10050, firing member 10052 upwards can fall position from it.Such as, surgical staples can comprise and firing member 10052 can be biased to it to the spring 10058 of upper/lower positions and/or any other suitable biasing element.Once firing member 10052 bounces back completely, as shown in Figure 60, firing member 10052 can not distally be pushed into through the nail bin 10000 used up again.More particularly, when the sliding part 10050 being now in operating sequence has been left on distal end 10002 place of nail bin 10000, firing member 10052 can not have been remained on its upper position by sliding part 10050.Therefore, as mentioned above, if firing member 10052 is advanced again when not replacing nail bin, then lock crossbeam 10054 by the sidewall 10057 of contact lock groove, this will prevent firing member 10052 to be again distally advanced in nail bin 10000.In other words, once the nail bin 10000 used up is replaced by new nail bin, new nail bin will have the sliding part 10050 of nearside location, and firing member 10052 can be remained on its upwards position by the sliding part of this nearside location, and firing member 10052 is distally pushed into again.

As mentioned above, staple drivers 10040 can move by sliding part 10050 between the first non-firing position and the second firing position, to be penetrated from support section 10010 by nail 10030.After nail 10030 is penetrated from support section 10010, staple drivers 10040 can be accommodated in nail chamber 10012.Support section 10010 can comprise one or more holding structures that staple drivers 10040 can be stoped to penetrate or drop out from nail chamber 10012.Alternatively, staple drivers 10040 can penetrate by sliding part 10050 from the support section 10010 with nail 10030.Such as, staple drivers 10040 can by such as can bio-absorbable and/or biocompatible materials form, such as Polyetherimide (Ultem).Staple drivers can be attached to nail 10030.Such as, on the base portion that staple drivers can be molded into each nail 10030 and/or around, driver and nail are integrally formed.The name of JIUYUE in 2006 submission on the 29th is called that " SURGICAL STAPLES HAVING COMPRESSIBLEOR CRUSHABLE MEMBERS FOR SECURING TISSUE THEREIN ANDSTAPLING INSTRUMENTS FOR DEPLOYING THE SAME " U.S. Patent Application Serial Number 11/541,123 is incorporated herein by reference in full.

As mentioned above, surgery suturing appliance can comprise can receive nail bin nail bin passage, be rotatably connected to the anvil block of nail bin passage and comprise the firing member of blade, this firing member can relative to anvil block and the motion of nail bin passage.In use, nail bin can be positioned in nail bin passage, and after nail bin is consumed at least in part, nail bin can remove from nail bin passage and be replaced by new nail bin.Such as, the nail bin passage of surgery suturing appliance, anvil block and/or firing member can be reused together with replacement nail bin.Alternatively, nail bin can comprise a part for disposable loading unit assembly, this disposable loading unit assembly such as can comprise nail bin passage, anvil block and/or firing member, and these can be used as a part of replacing disposable loading unit assembly and are replaced with nail bin.Some disposable loading unit assembly is disclosed in the U.S. Patent Application Serial Number 12/031 that the name submitted on February 15th, 2008 is called " END EFFECTORCOUPLING ARRANGEMENTS FOR A SURGICAL CUTTING ANDSTAPLING INSTRUMENT ", in 817, whole disclosures of this patent application are incorporated herein by reference.

Tissue thickness's compensating part can comprise can be extruded, can cast and/or mouldable compositions, and it comprises at least one in synthetic material as herein described and/or non-synthetic materials.Tissue thickness's compensating part can comprise the film or sheet with two-layer or more layer.Tissue thickness's compensating part can use conventional method to obtain, such as mix, blended, combination, spraying, wicking, solvent evaporation, dipping, brushing, gaseous phase deposition, extrude, roll, cast, molding etc.When extruding, the form that opening can comprise the mould of at least one opening is that the extrudate exposed gives shape.During calendering, opening can comprise the roll gap between two rollers.Conventional molding methods can include but not limited to blowing, injection moulding, foam injection, compression moulding, hot forming, extrude, foam extrude, thin film blowing, calendering, spinning, solvent welding, coating process such as dip-coating and spin coating, solution casting and film casting, plastisol processing (comprising scraper for coating, roller coat and casting), and their combination.During injection moulding, opening can comprise nozzle and/or passage/runner and/or cavity body of mould and feature structure.During compression moulding, compositions can be positioned in cavity body of mould, is heated to suitable temperature, and by being compressed at relatively high pressure and being shaped.During casting, compositions can comprise liquid or serosity, and it injects or is in other words provided to the inside of mould or object, and/or around above, with the feature structure of copy mold or object.After casting, compositions can dried, cooling and/or solidification to form solid.

According to the present invention, the method manufacturing the tissue thickness's compensating part comprising at least one preservation and/or be absorbed in medicine wherein can comprise substantially provides tissue thickness's compensating part, and makes tissue thickness's compensating part and medicament contact to retain the dose in tissue thickness's compensating part.Manufacture the method comprising antibacterial materials microstructure thickness compensation part can comprise hydrogel, dried hydrogel are provided, in silver nitrate aqueous solution swollen hydrogel, hydrogel is contacted, to form tissue thickness's compensating part with antibacterial characteristics with sodium chloride solution.Tissue thickness's compensating part can comprise the silver be dispersed in wherein.

Referring now to Figure 116, tissue thickness's compensating part (such as, tissue thickness's compensating part 22020) such as can be attached to the anvil block (such as, anvil block 22060) of surgery suturing appliance.Tissue thickness's compensating part 22020 can comprise the cavity 22024 be limited between the first film 22026 and the second film 22027, wherein the first film 22026 be attached to the second film 22027 at least partly.Such as, the first film 22026 can be attached to the second film 22027 along such as transverse joint 22028a and transverse joint 22028b.First film 22026 can along sealing peripheral attachment to the second film 22027 so that hermetically encapsulate cavity 22024.First film 22026 and the second film 22027 can such as transversely any other seam of seam 22028a, 22028b and/or junctional membrane 22026 and film 22027 carry out thermal weld.Refer again to Figure 116, anvil block 22060 can comprise multiple nail shaping pit 22062, described multiple nail shaping pit 22062 can receive the lower limb of nail separately and make it be out of shape, and wherein the second film 22027 can comprise the protuberance 22022 that may extend in shaping pit 22062.The size of protuberance 22022 and structure can be set to and make it closely be engaged in shaping pit 22062 and tissue thickness's compensating part 22020 can be remained to anvil block 22060.As shown in the figure, anvil block 22060 can comprise such as six row shaping pits 22062, and wherein tissue thickness's compensating part 22020 can comprise the six row protuberances 22022 alignd with shaping pit 22062 similarly.Other embodiments comprised greater or less than six row shaping pits 22062 and/or protuberance 22022 can be used.Can use one or more binding agents that tissue thickness's compensating part 22020 is remained to anvil block 20060.

As mentioned above, tissue thickness's compensating part 22020 can comprise the cavity 22024 be defined in wherein.Cavity 22024 can along anvil block 22060 longitudinal extension.Refer again to Figure 116, tissue thickness's compensating part 22020 can comprise the compressible material be positioned in cavity 22024.Referring now to Figure 117, nail (such as following closely 22030) can such as from nail bin injection, to make nail 22030 penetrate tissue T and penetrate tissue thickness compensation part 22020 subsequently before contact anvil block 22060.When the lower limb of nail 22030 is out of shape by anvil block 22060, lower limb can overturn downwards, with penetrate tissue thickness compensation part 22020 again.Under any circumstance, once nail 22030 penetrate tissue thickness compensation part 22020, one or more fluids be contained in cavity 22024 just such as can flow out from tissue thickness's compensating part 22020 or be exuded to tissue T.Cavity 22024 can comprise one or more powder be such as accommodated therein, described powder at tissue thickness's compensating part 22020 once be broken at least in part cavity 22024 of just can overflowing by nail 22030.According to the present invention, the material 22025 be positioned in cavity 22024 can be compressed when nail 22030 is deformed into its percussion configuration or is squeezed in nail 22030, can such as extrude from material 22025 to make the fluid be stored in material 22025.Refer again to Figure 117, nail 22030 can also capture tissue thickness compensation part (such as, compensating part 22029), and described compensating part is such as attached to the nail bin of the opposite side near tissue T removedly.

To being described further above, material 22025 can comprise such as cryodesiccated thrombin, cryodesiccated fibrin and/or the non-woven oxidized regenerated cellulose of fine fibre.Material 22025 can comprise the powder wafer of compression.Seal chamber 22024 can comprise internal gas, and the pressure of described internal gas is lower than the pressure of the air around tissue thickness's compensating part 22020.In this case, the gas in internal cavity 22024 and the pressure reduction between air can cause film 22027 and film 22028 inwardly to be pulled.After internal cavity 22024 is broken by nail 22030, as mentioned above, the vacuum in internal cavity 22024 can average out with ambient atmosphere and material 22025 can be overflowed internal cavity 22024, in addition as mentioned above.In such cases, tissue thickness's compensating part 22020 can be expanded to the tissue T be captured in nail 20030 and apply compression stress.When material 22025 is vacuum packaged in tissue thickness's compensating part 22020, material 22025 can be expanded after internal cavity 22024 has been pierced.Film 22026,22027 can by forming by biological absorptive material, and can just dissolving once be placed in patient.Each film 22026,22027 can be made up of layer or lamilated body, and described layer or lamilated body have the thickness such as between about 0.25 mil and about 0.50 mil.Under any circumstance, to being described further above, when nail 22030 is pulled the trigger from its nail bin, the tissue thickness's compensating part 22020 comprising material 22025 can be cut element crosscut.

Refer again to Figure 116, the cavity 22024 of tissue thickness's compensating part 22020 and material 22025 can be positioned in below four inner row of nail shaping pit 22062, and seam 22028a, 22028b can be positioned in below the outer row of shaping pit 22062.In this case, the nail in the nail row of outside can not grafting material 22025, and therefore they can not capture material 22025 wherein.On the contrary, this type of nail only can come capture film 22026 and film 22027 along seam 22028a, 22028b.Alternatively, referring now to Figure 118 and Figure 119, tissue thickness's compensating part 22120 can comprise the first film 22126, second film 22127 and be captured in the multiple material 22125a-d between the first film 22126 and the second film 22127 according to the mode be similar to above.Such as, main see Figure 118, first material 22125a can align with the outer row in the nail chamber 22062 in the outer row of the nail 22030 in nail bin 22000 and anvil block 22060, second material 22125b and the 3rd material 22125c can align with nail 22030 and two inner row of following closely chamber 22062 separately, and the 4th material 22126d can align with nail 22030 and another outer row of following closely chamber 22062.In this case, referring now to Figure 119, whole in nail 22030 are arranged to make it can at least one wherein in capture material 22125a-22125d.As shown in Figure 118 and Figure 119, to being described further above, nail 22030 upwards can be promoted by the staple drivers 22040 be positioned in nail bin 22000 between non-firing position and firing position.

Refer again to Figure 118 and Figure 119, layer 22126 and layer 22127 can limit one or more seal chambers that wherein can arrange material 22125a-d.Layer 22126 and layer 22127 can peripherally such as utilize any suitable method (such as, thermal weld and/or laser weld) to be sealed, and described periphery can comprise transverse joint 22128a and transverse joint 22128b.Each in material 22125a-22125d is salable in independent cavity, and alternatively, in material 22125a-22125d both or more person salable in same cavity.Material 22125a-22125d can be made up of identical material, and alternatively, one or more in material 22125a-22125d can be made up of different materials.One or more in material 22125a-22125d can be made up of such as sodium stearate and/or LAE.Material 22125a-22125d can comprise lubricant.In such cases, when following closely the material 22125a-22125d of lower limb penetrate tissue thickness compensation part 22120, the lower limb of nail 22030 can be made to be exposed to lubricant.At lower limb through after tissue thickness's compensating part 22120, lower limb can contact anvil block 22060, and wherein lubricant can reduce coefficient of friction between nail lower limb and anvil block 22060 and frictional force.In such cases, the power of percussion needed for nail 22030 can be reduced.Because tissue thickness's compensating part 22120 is near the location of anvil block 22060, the nail lower limb of nail 22030 directly can contact anvil block 22060 after leaving tissue thickness's compensating part 22120, thus reduces the probability can wiping lubricant before nail lower limb contact anvil block 22060 from nail lower limb.Similarly, the nail lower limb of nail 22030 directly can contact anvil block 22060 after being exposed to one or more medicines in tissue thickness's compensating part 22120, thus reduces the probability can wiping medicine before nail lower limb reenters tissue T from nail lower limb.In some cases, when following closely lower limb and being out of shape downwards, nail lower limb can reenter tissue thickness's compensating part 22120, such as before reentering tissue T, again can be exposed to medicine to make nail lower limb.Optionally, to similar above, the second film 22127 can comprise multiple protuberances 22122 that such as can closely be received in nail chamber 22062, such as tissue thickness's compensating part 22120 is remained to anvil block 22060.

Referring now to Figure 120 and Figure 121, the end effector of surgery suturing appliance can comprise tissue thickness's compensating part (such as, compensating part 22220), tissue thickness of institute compensating part such as can comprise the multiple cavitys 22222 alignd with the nail shaping pit 22062 of anvil block 22060.Compensating part 22220 can be made up of ground floor or bottom 22226 and the second layer or top layer 22227, and wherein ground floor 22226 and/or the second layer 22227 can comprise multiple bossing or local bubble that can limit cavity 22222.As shown in Figure 120, compensating part 22220 can be attached to anvil block 22060, to align or at least substantial alignment to make cavity 22222 with the nail shaping pit 22062 of anvil block 22060.Optionally, each cavity 22222 can comprise one or more medicines be accommodated therein, such as, and oxidized regenerated cellulose, calcium and/or alginate.During use, each cavity 22222 can be in sealing, not pierce through state before such as being pierced through by the nail 22030 penetrated from nail bin 22000.Referring now to Figure 121, after the lower limb of nail 22030 has passed tissue T, each nail lower limb can pierce through and penetrate ground floor 22226 and enter cavity 22222, and wherein following closely lower limb subsequently can through one or more medicine be accommodated therein before piercing through and penetrate the second layer 22227.To similar above, the lower limb of nail 22030 can contact anvil block 22060 subsequently.

Cavity 22222 can keep one or more medicines be stored in wherein to be in drying regime or at least substantially dry state before breaking.After cavity 22222 has broken, fluid (such as, blood) cavity 22222 can be entered and with one or more medicament mixed.The mixture of fluid and medicine can cause medicine to expand in cavity 22222, and wherein such as medicine can comprise such as at least one hydrogel.Medicine can comprise such as at least one hemostatic material.Ground floor 22226 and/or the second layer 22227 can be made up of flexible material, and described flexible material can stretch the expansion adapting to medicine.Layer 22226,22227 can be made up of such as CAP/GLY material.Under any circumstance, the expansion of medicine can such as to being captured in nail 22030 and/or being positioned at the tissue applying compression stress around nail 22030.In all cases, the expansion of medicine can cause cavity 22222 to break.Such as, first group of cavity 22222 can comprise the first medicine wherein, and second group of cavity 22222 can comprise the second medicine wherein.Such as, the first medicine can expand the first amount and/or expand with first rate, and the second medicine can expand the second amount and/or expand with the second speed, and such as, wherein the first amount can be different from the second amount and/or first rate can be different from the second speed.To being described further above, one or more cavity 22222 can comprise one or more medicines be stored in each cavity, and its Chinese medicine can comprise such as the first medicine and the second medicine.Cavity 22222 can keep the first medicine and the second medicine to be in drying regime or at least substantially dry state before breaking.As mentioned above, after cavity 22222 has broken, blood such as can to enter in cavity 22222 and with the first medicine and the second medicament mixed, wherein the first medicine and the second medicine can form the gel of expansion.

Referring now to Figure 122-124, tissue thickness's compensating part (such as, compensating part 22320) can comprise can respectively with nail shaping pit 22062a with follow closely the multiple first cavity 22322a and multiple second cavity 22322b that shaping pit 22062b aligns.Main see Figure 123, nail shaping pit 22062a and nail shaping pit 22062b can be limited in the independent stepped surfaces on anvil block 22060.More particularly, such as, shaping pit 22062a can be limited in the first surface 22069a of anvil block 22060, and the pit 22062b that is shaped can be limited in second surface 22069b, wherein first surface 22069a can be oriented to depart from or the first cavity 22322a higher than second surface 22069b tissue thickness compensating part 22320 can be greater than the second cavity 22322b, and wherein such as the first cavity 22322a can extend higher than the second cavity 22322b.Due to mentioned above, the first cavity 22322a can extend up in the first nail shaping pit 22062a, and the second cavity 22322 can extend up in the second nail shaping pit 22062b simultaneously.Optionally, each first cavity 22322a such as can comprise larger medication amount than the second cavity 22322b.Alternatively, the first cavity 22322a and the second cavity 22322b can comprise identical or at least substantially the same medication amount wherein, even if cavity 22322a and cavity 22322b can be of different sizes.

To being described further above, the first cavity 22322a can be disposed in particular row, and the second cavity 22322b can be disposed in different rows.Tissue thickness's compensating part can comprise the cavity alignd with each shaping pit, and alternatively, see Figure 130, tissue thickness's compensating part (such as, compensating part 22420) such as can comprise and the cavity more only alignd in shaping pit.Refer again to Figure 123, compensating part 22320 can be attached to anvil block 22060.Cavity 22322a and/or cavity 22322b can be constructed such that it is closely engaged in nail shaping pit 22062a and/or nail shaping pit 22062b respectively.Compensating part 22320 can be assembled into anvil block 22060, the second surface 22069b being oriented near anvil block 22060 to make the second layer 22327 of compensating part 22320.Alternatively, referring now to Figure 125 and 126, compensating part 22320 can be oriented to contiguous anvil block 22060, and to make when anvil block 22060 moves towards nail bin 22000 tissue T to be compressed in therebetween, compensating part 22320 can adjoin anvil block 22060.Referring now to Figure 127, once nail 22030 has been pulled the trigger from nail bin 22000 and has been out of shape by anvil block 22060, compensating part 22320 just can have been followed closely 22030 near tissue T and to have been caught and anvil block 22060 is just removable away from compensating part 22320.In some cases, referring now to Figure 128, one or morely can not correctly to be out of shape by anvil block 22030 in nail 22030.In such cases, referring now to Figure 129, when following closely by percussion, overlaying on and not pull the trigger or the unfashioned cavity nailed in tissue thickness's compensating part in face can not be pierced.Such as, tissue thickness's compensating part can by forming by biological absorptive material, described can biological absorptive material solubilized release is subsequently contained in the medicine do not pierced through in cavity.

To being described further above, the first cavity 22322a and/or the second cavity 22322b of tissue thickness's compensating part 22320 can comprise the gas be such as sealed in wherein, such as, and air, carbon dioxide and/or nitrogen.Cavity 22322a and/or cavity 22322b can comprise bubble, and described bubble can be pulled the trigger at nail 22030 and be burst through during cavity 22322a and/or cavity 22322b, to discharge the gas be contained in wherein.This explosion can be the surgeon making cavity 22322a and cavity 22322b break and provides sound feedback.But in some cases, some nails 22030 can be does not pull the trigger, and as mentioned above, and cavity 22322a associated with it and cavity 22322b can not burst.In all cases, surgeon can to the tissue scanning sewed up any bubble of not bursting or cavity 22322a and cavity 22322b, and determine whether to need to take any corrective action.

As mentioned above, referring now to Figure 131, surgery suturing appliance can comprise firing member, such as, firing member 22080, described firing member 22080 can comprise cutting element or cutting edge 22081, and described cutting element or cutting edge 22081 can be advanced through tissue T and one or more tissue thicknesses compensating part when firing member 22080 is advanced through storehouse 22000 to dispose nail 22030 from it.Main see Figure 133, compensating part (such as, compensating part 22520) can be attached to the anvil block 22060 of surgery suturing appliance, and wherein anvil block 22060 can comprise size and construct the cutter slit 22061 being at least partially set to and receiving cutting element 22081.Similarly, nail bin 22000 can comprise size and construct the cutter slit 22011 at least partially that also can be set to and receive cutting element 22081.Refer again to Figure 131, compensating part 22520 can comprise such as along one or more cavitys that the line of cut 22521 of compensating part 22520 is located, and such as, cavity 22522, wherein cavity 22522 can align with the cutter slit 22061 be limited in anvil block 22060.When cutting element 22081 distally travels across nail bin 22000 to dispose nail 22030, cutting element 22081 can cut and organize the cavity 22522 of T and compensating part 22520.To similar above, mainly see Figure 132, each cavity 22522 can limit the cavity 22524 of sealing, and the cavity 22524 of described sealing can comprise one or more medicines 22525 wherein.One or more in cavity 22522 can comprise fluid, and described fluid can be cut when component 22081 cuts at least in part at cavity 22522 and discharge.In all cases, cutting element 22081 is sectioned housing 22522 serially, and therefore discharges the medicine be contained in wherein serially.

Main see Figure 133, compensating part 22520 can comprise the laterally projecting portion or the wing 22529 that extend along its side.Protuberance 22529 can utilize such as one or more binding agents to be fixed to anvil faces 22069a and/or anvil faces 22069b.The size of protuberance 22522 and structure can be set to and closely be engaged in the cutter slit 22061 of anvil block 22060, compensating part 22520 can be remained to anvil block 22060 to make such as protuberance 22522.The size in laterally projecting portion 22529 and structure can be set to and make it extend to or overlay on nail shaping pit 22062b and/or nail shaping pit 22062a.Alternatively, referring now to Figure 134 and Figure 135, compensating part 22620 can comprise laterally projecting portion 22629, and described laterally projecting portion 22629 does not extend to or overlays on nail shaping pit 22062a and 22062b of such as anvil block 22060 and/or any other nail shaping pit.Such as, compensating part 22620 can at largely obtain in the nail 22030 penetrated from nail bin 22030.Under any circumstance, refer again to Figure 131, cutting element 22081 can when compensating part 22520 is fixed to tissue T by nail 22030 crosscut compensating part 22520.In such cases, compensating part 22520 can be separated with anvil block 22060 and keep together with tissue T.Refer again to the compensating part 22620 shown in Figure 134 and Figure 135, compensating part 22620 can be fixed to anvil block 22060 by nail 22030, and can be kept being attached to anvil block 22060 by compensating part after cutting element 22081 crosscut compensating part 22620.

Referring now to Figure 136 and Figure 137, the end effector of surgery suturing appliance can comprise tissue thickness's compensating part, such as compensating part 22720, and described compensating part 22720 can be attached to or can be attached to anvil block, such as anvil block 22760 etc.To similar above, anvil block 22760 can comprise multiple nail shaping pit 22762 and longitudinal knife slit 22761, and described longitudinal knife slit 22761 can receive cutting element wherein when cutting element is advanced through end effector.Compensating part 22720 can comprise first rete 22726 and second rete 22727 that can be attached to one another to limit cavity 22724.Such as, the first rete 22726 can be attached to the second rete 22727 along the neighboring 22728 of sealing, and the neighboring 22728 wherein sealed can at least one medicine 22725 in such as receiving cavity 22724.As shown in Figure 137, cavity 22724 and medicine 22725 can extend below whole nail chambeies 22762, and the periphery 22728 of sealing can be followed closely chamber 22762 relative to outermost and laterally locates.Compensating part 22720 also can comprise such as longitudinal rib 22721, and described longitudinal rib 22721 can extend up in cutter slit 22761.Such as, the size of rib 22721 can be set to structure and closely be engaged in cutter slit 22761, compensating part 22720 is fixed to anvil block 22760.Compensating part 22720 can be made to align with anvil block 22760 for rib 22721 or center is aimed at.Similarly, see Figure 138, tissue thickness's compensating part 22820 can comprise holding rib 22821, and described holding rib 22821 can such as be positioned in cutter slit 22761, compensating part 22820 is fixed to anvil block 22760.Refer again to Figure 137, in all cases, when cutting element is advanced through cutter slit 22761, cutting element can crosscut rib 22721 and compensating part 22720 is discharged from anvil block 22760.Such as, this cutting element shows the part for firing member 22080 in Figure 138.

Refer again to Figure 138, tissue thickness's compensating part 22820 can comprise ground floor 22826 and the second layer 22827, and described ground floor 22826 and the second layer 22827 can be constructed and arranged to limit multiple first package 22824a and multiple second package 22824b.Each in first package 22824a can comprise the first medicine, and each in the second package 22824b can comprise the second medicine, and wherein the second medicine can be different from the first medicine.First package 22824a and the second package 22824b can replace arrangement to arrange.Such as, first package 22824a and the second package 22824b can laterally extend across tissue thickness's compensating part 22820, with make such as the second package 22824b be positioned at two first in the middle of package 22824a and the first package 22824a be positioned in the middle of two the second package 22824b.When cutting element 22080 travels across compensating part 22820, as shown in Figure 138, cutting element 22080 can crosscut first package 22824a, and being the second package 22824b afterwards, is the first package 22824a afterwards, is second package 22824b etc. afterwards.Correspondingly, in such cases, cutting element 22080 discharges the first medicine be such as contained in the first package 22824a and the second medicine be contained in the second package 22824b serially, and described first package 22824a and described second package 22824b is alternate configurations.When the first package 22824a and the second package 22824b is oriented to adjacent one another are, when the first medicine and the second medicine discharge from its corresponding first package 22824a and the second package 22824b, the first medicine can with the second medicament mixed.Such as, cutting element can make the first medicine and the second medicament mixed through the propelling of compensating part 22820.

To being described further above, the first medicine can comprise the first powder, and the second medicine can comprise the second powder.First medicine and/or the second medicine can be made up of such as hemostatic material, oxidized regenerated cellulose, alginate and/or calcium.First medicine and/or the second medicine can comprise fluid.One or more in one or more and/or the second package 22824b in first package 22824a comprise lubricant, and described lubricant can reduce to advance firing member 22080 through compensating part 22820 and/or the power needed for tissue T.First rete 22826 and/or the second rete 22827 can by such as can forming by bioabsorbable material (such as PDS).First rete 22826 and the second rete 22827 can be attached to one another, with make the first package 22824a before being cut by firing member 22080 with the second package 22824b seal isolation.First package 22824a and/or the second package 22825b can have certain rupture strength, to tolerate certain fracture pressure.More particularly, when anvil block (such as, anvil block 22760) towards the nail bin motion compensation part 22820 of locating back to anvil block 22760 time, package 22824a, package 22824b can be oriented to the tissue near being arranged in the middle of package 22824a, package 22824b and nail bin, wherein anvil block 22760 can push or clamping, so that compression set tissue betwixt towards nail bin subsequently to lower.In such cases, package 22824a, package 22824b can stand compression pressure.In some cases, expect that package 22824a and/or package 22824b keeps complete, until their cut components 22080 cut and/or pierced through by the nail of pulling the trigger from nail bin.In some other cases, expect that package 22824a and/or package 22824b breaks because being applied to its compression clamp load.

As mentioned above, the first package 22824a and the second package 22842b can laterally extend across compensating part 22820.Such as, the first package 22824a can extend along axis of pitch 22823a, and the second package 22824b can extend along axis of pitch 22823b.First axle 22823a and/or the second axis 22823b can perpendicular to or be at least substantially perpendicular to the longitudinal axis 22083 of compensating part 22820.Such as, longitudinal axis 22083 can limit the cutting path of firing member 22080.First axle 22823a and/or the second axis 22823b can be not orthogonal to longitudinal axis 22083 and can tilt relative to longitudinal axis 22083.Optionally, as mentioned above, the first package 22824a and the second package 22824b can be arranged to alternate configurations.Alternatively, any other suitable configuration of the first package 22824a and the second package 22824b can be used.Such as, the package sequence be arranged in tissue thickness's compensating part can comprise the first package 22824a, the second package 22824b, the second package 22824b and the first package 22824a.Tissue thickness's compensating part also can comprise multiple 3rd package, and described 3rd package comprises the 3rd medicine being different from the first medicine and the second medicine.Such as, the first package, the second package and the 3rd package can be arranged to alternate configurations.Such as, the package sequence be arranged in tissue thickness's compensating part can comprise such as the first package, be afterwards the second package, be the 3rd package afterwards.

Refer again to Figure 138, cross section that is that the first package 22824a of tissue thickness's compensating part 22820 and/or the second package 22824b can limit such as U-shaped or U-shaped at least substantially.Referring now to Figure 139, the package 22924 of tissue thickness's compensating part 22920 can limit such as circular or at least substantially circular cross section.Referring now to Figure 140, the package 23024 of tissue thickness's compensating part 23020 can limit such as ovate and/or oval cross section.Refer again to Figure 138, that the first cavity 22824a and the second cavity 22824b can comprise the symmetry be limited in parallel or at least substantially parallel row or at least almost symmetrical configuration.Alternatively, referring now to Figure 141, tissue thickness's compensating part (such as, compensating part 23120) can comprise the asymmetric cavity 23122 be limited to wherein, and described asymmetric cavity 23122 can have such as irregular and/or non-repetitive pattern.Such as, each in cavity 23122 can comprise one or more different medicines wherein.

Referring now to Figure 142, tissue thickness's compensating part (such as, tissue thickness's compensating part 23220) can comprise housing 23226, the material 23225 that described housing 23226 limits cavity 23224 wherein and is positioned in cavity 23224.Housing 23226 can be made up of such as absorbable polymer, PDS, PGA, PLLA, Cap Gly and/or PCL, and material 23225 can be made up of such as hemorrhage, oxidized regenerated cellulose, Hercules, fibrin and/or thrombin, described material 23225 can adopt any suitable form, such as powder, fiber and/or gel.Expressing technique can be utilized to manufacture housing 23226.In such cases, housing 23226 can comprise along its consistent length or the cross section of at least substantial constant, described housing 23226 can produce need not weld in jointed situation.Such as, cavity 23224 can be limited by the sidewall extended around its whole periphery, and described sidewall does not have the opening be defined in wherein.Housing 23226 can be made up of the mesh sheet and/or Caulis et Folium Oryzae shape material with the opening be defined in wherein.Cutting openings can be carried out by such as laser cutting parameter and/or clicking technique in housing 23226.

As a part for manufactured materials 23225, referring now to Figure 145-147, yarn strand can utilize fiber and/or fibrous material (such as, oxidized regenerated cellulose) to be formed.Can by shown in Figure 145 compared with mixing according to the mode shown in Figure 147 compared with short fiber 23425 shown in long fibre 23325 and Figure 146, to form the yarn strand of material 23225.Yarn strand can carry out drawing under tension and/or can arrange under tension, to stretch the fiber be contained in wherein along the longitudinal direction.Referring now to Figure 148, the yarn strand of material 23225 is undertaken loose by grasper 23290, described grasper 23290 can firmly grasp and distortion material 23225 to increase the volume of yarn strand.Such as, when yarn strand is just relative to when such as grasper 23290 moves, grasper 23290 can discrete material 23225.Refer again to Figure 148, can in the yarn strand of material 23225, such as utilize cutting element 23291 to prepare minimal incision * and/or micro-incision.To similar above, when yarn strand just moves relative to cutting element 23291, cutting element 23291 can cutting material 23225.The yarn strand of material 23225 can be loose before the above-mentioned otch of preparation, and alternatively, the yarn strand of material 23225 can be cut before it is loose.

Once the yarn strand of material 23225 is prepared suitably, just material 23225 can be positioned in housing 23226.Referring now to Figure 149, the part that two or more housing 23226 can be used as above-mentioned expressing technique is formed together, and its middle shell 23226 can link together using the part as pipe 23227.The yarn strand of material 23225 can be positioned on or is drawn in the cavity 23224 that is defined in pipe 23227.Near the first opening 23221 that the yarn strand of material 23225 can be positioned in cavity 23224 and/or inner, the second opening 23222 wherein by cavity 23224 inserts grasper 23292.Then grasper 23292 can be pushed through cavity 23224, until the jaw 23292a of grasper 23292 is through the first opening 23222 and/or position relative to the first opening 23222, to make grasper jaw 23292a can by the yarn strand handled with promptly material 23225.Grasper can comprise such as hook component, and described hook component can firmly grasp the yarn strand of material 23225.Under any circumstance, once the yarn strand of material 23225 firmly grasped fully by grasper 23292, grasper 23292 just can be recalled in cavity 23224, to be pulled in cavity 23224 by the yarn strand of material 23225.Grasper 23292 can before yarn strand is drawn in pipe 23227, period and/or the yarn strand of the material of distortion afterwards 23225.

Once the yarn strand of material 23225 has been properly positioned in pipe 23227, grasper 23292 just can subsequently by the yarn strand handled with releasable material 23225.Discharge yarn strand before second opening 23222 that can be pulled through pipe 23227 at yarn strand, and alternatively, yarn strand can be discharged after yarn strand has been pulled through the second opening 23222, as shown in Figure 150.In some cases, yarn strand can be drawn through the second opening 23222, to make when discharging yarn strand, yarn strand shrinks by the second opening 23222 or springs back in pipe 23227.In all cases, can at the position of contiguous first opening 23221 cutting yarn strand, to shrink by the first opening 23222 to make yarn strand or spring back in pipe 23227, to similar above.In all cases, to being described further above, grasper 23292 can apply tension force, to make when grasper 23292 discharges yarn strand and/or is cut when yarn strand to the yarn strand of material 23225, tension force in yarn strand can be released, thus allows yarn strand to shrink.

Referring now to Figure 151, once the yarn strand of material 23225 is positioned in pipe 23227 fully, just pipe 23227 and material 23225 can be cut into multiple section, wherein each section can be prepared to such as tissue thickness's compensating part 23220.The cavity 23224 extending through the covering 23226 of this type of section each can comprise the opening being positioned at its opposing end portions.Such as, to close by such as rivet hot weldering, thermal weld and/or laser welding process and/or one or both in sealed open end.See Figure 152, can be positioned in mould by the section of the part comprising covering 23226 and material wherein 23225, the opening of covering 23226 can be closed and/or seal to described mould.More particularly, mould such as can comprise pedestal 23294 and moveable part 23296, and wherein section can be positioned in the cavity 23295 that is defined in pedestal 23294.Once be located, moveable part 23296 just can move down, to apply power to section.Optionally, can come section heating via pedestal 23294 and/or moveable part 23296, the heat and/or the power that are wherein applied to section can make covering 23226 be out of shape.More particularly, moveable part 23296 can limit pit 23297, what described pit 23297 can be into profile applies clamping force with some part (such as its opening) to covering 23226, to close, flatten and/or these parts of constriction tissue thickness compensating part 23220.Such as, pit 23297 can formative tissue thickness compensation part 23220 blind end 23228 and flatten tissue thickness's compensating part 23220 part be positioned in the middle of blind end 23228.After tissue thickness's compensating part 23220 is formed suitably, moveable part 23296 can be moved to open position and tissue thickness's compensating part 23220 can be shifted out from mould.Then can tissue thickness's compensating part 23220 be positioned in cooled containers, wherein can allow compensating part 23220 cool to room temperature and/or any other suitable temperature.

Alternatively, to being described further, can be positioned at being positioned in hot-forming die by this pipe afterwards in pipe 23227 at material 23225 above.After pipe 23227 and the material 23225 be positioned at wherein have been shaped, then pipe 23227 and material 23225 can be divided into such as multiple tissue thicknesses compensating part 23220.Refer again to Figure 142, tissue thickness's compensating part 23220 can comprise the horizontal wing or fixture 23229 that such as can be attached to anvil block 22060.Such as, when during formative tissue thickness compensation part 23220, the horizontal wing 23229 being formed in covering 23226, as mentioned above between mould part 23294 and mould part 23296.Referring now to Figure 143, tissue thickness's compensating part 23320 can comprise the horizontal wing 23329 extended from covering 23326.Referring now to Figure 144, tissue thickness's compensating part 23420 such as can comprise the covering 23426 with one or more transversal flexibility junction surface 23428, and described one or more transversal flexibility junction surface 23428 can allow covering 23426 bend when standing compression pressure in above-mentioned hot-forming die and flatten.Optionally, due to mentioned above, tissue thickness's compensating part 23220 can not comprise transverse joint.In such cases, refer again to Figure 142, material 23225 such as can extend to the transverse edge of anvil block 22060.

As mentioned above, yarn strand can be drawn through pipe and cut into certain length subsequently to form one or more tissue thicknesses compensating part.To being described further above, rigid material strand can be utilized yarn strand tractive or be pushed through pipe.The rigidity strand of polymeric material (such as PCL) such as can be heated to above its glass transition temperature and be drawn into the shape of distortion.Such as, rigidity strand can comprise undeformed spiral shape, shape that is described undeformed spiral shape can comprise such as straight line when being drawn into its deformed shape or straight line at least substantially.Then, can be cooled to lower than glass transition temperature by rigidity strand, restraint rigidity strand can keep its deformed shape to make rigidity strand simultaneously.Once rigidity strand is in the fiber of its distortion, just such as yarn strand can be formed around rigidity strand.ORC yarn strand such as can reel, assembles and/or be folded on rigidity strand.Alternatively, such as, rigidity strand can be inserted in ORC fiber.Rigidity strand can comprise can twist in and/or be immersed in the intrastitial tacky surfaces of ORC.Under any circumstance, can rigidity strand and ORC fiber be inserted in pipe subsequently, to similar, and again be heated to above the glass transition temperature of rigidity strand above.In such cases, rigidity strand can be unconfined or at least substantially unconfined, and can allow to return or at least substantially turn back to its initial undeformed shape.Such as, rigidity strand can shrink when returning its original shape and ORC fiber be retracted in pipe.When rigid pipe shrinks, can the center of pinch tube rigidity strand and ORC fiber to be remained on the center of pipe.To similar above, the end of sealed tube can encapsulate rigidity strand wherein and ORC fiber.

Referring now to Figure 24 4, the blind end 33328 that tissue thickness's compensating part 33320 can comprise shell 33326, be positioned at the compressible core in shell 33326 and compressible core can be contained in shell 33326.To being described further above, shell 33326 can be obtained by continuous expressing technique and can comprise the continuous shape of cross section along its length.Referring now to Figure 24 5-247, the core 33425 that tissue thickness's compensating part 33420 can comprise shell 33426, be limited to the cavity 33424 in shell 33426 and be positioned in cavity 33424.Such as, shell 33426 can comprise by the film main body extruded shape continuously and formed, and core 33425 can comprise fiber drug core, such as ORC.Shell 33426 can comprise one or more flexible leg 33423, and described one or more flexible leg 33423 can extend to and is defined in cutter slit in anvil block 22,060 22063 and tissue thickness's compensating part 33420 is remained to anvil block 22060 releasedly.Referring now to Figure 24 8-250, the core 33425 that tissue thickness's compensating part 33520 can comprise shell 33526, be limited to the cavity 33524 in shell 33526 and be positioned in cavity 33524.Such as, shell 33526 can comprise by the film main body extruded shape continuously and formed, and core 33425 can comprise fiber drug core, such as ORC.Shell 33526 can comprise one or more retaining member 33528, and described one or more retaining member 33528 can extend around the outer surface of anvil block 22060 and tissue thickness's compensating part 33520 can be remained to anvil block 22060 releasedly.Such as, main see Figure 25 0, shell 33526 can comprise moveable part 33527 and be limited to the gap 33523 between moveable part 33527, wherein after tissue thickness's compensating part 33520 is separated with anvil block 22060, moveable part 33527 can flick to expose the core 33425 be accommodated therein.Referring now to Figure 25 1-252, the core 33425 that tissue thickness's compensating part 33620 can comprise shell 33626, be limited to the cavity 33424 in shell 33626 and be positioned in cavity 33424.Such as, shell 33626 can comprise by the film main body extruded shape continuously and formed, and core 33425 can comprise fiber drug core, such as ORC.Shell 33626 can comprise light filling bar 33623, described light filling bar 33623 can align with the cutter slit 22063 be limited in anvil block 22060, can pass light filling bar 33623 and the power reduced needed for transecting patient tissue thickness compensation part 33620 or energy to make the cutting element through tissue thickness's compensating part 33620.Referring now to Figure 25 3-254, the core 33425 that tissue thickness's compensating part 33720 can comprise shell 33726, be limited to the cavity 33424 in shell 33726 and be positioned in cavity 33424.Such as, shell 33726 can comprise by the film main body extruded shape continuously and formed, and core 33425 can comprise fiber drug core, such as ORC.Shell 33726 can comprise one or more retaining member 33723, and described retaining member 33723 can hold the outer surface of anvil block 22060 and tissue thickness's compensating part 33720 can be remained to anvil block 22060 releasedly.Referring now to Figure 25 5-256, the core 33425 that tissue thickness's compensating part 33820 can comprise shell 33826, be limited to the cavity 33424 in shell 33826 and be positioned in cavity 33424.Such as, shell 33826 can comprise by the film main body extruded shape continuously and formed, and core 33425 can comprise fiber drug core, such as ORC.Such as, shell 33826 can comprise the cavity 33424 of substantial rectangular and substantially smooth tissue contacting surface 33829, by contrast, cavity 33424 and the tissue contacting surface of arc has been shown in Figure 25 4.Referring now to Figure 25 7-258, the core 33925 that tissue thickness's compensating part 33920 can comprise shell 33926, be limited to the multiple cavitys 33924 in shell 33926 and be positioned in each cavity 33924.Such as, shell 33926 can comprise by the film main body extruded shape continuously and formed, and core 33925 can comprise fiber drug core separately, such as ORC.Core 33925 can be made up of different materials.Shell 33926 can comprise one or more retaining member 33923, and described retaining member 33923 can extend in the cutter slit 22063 of anvil block 22060.

Referring now to Figure 153, folding process can be utilized to carry out formative tissue thickness compensation part.According to the present invention, can be placed on emulsion sheet 23526 by material 23525 (such as, oxidized regenerated cellulose), described emulsion sheet 23526 can be folded and sealed subsequently so that encapsulating material 23525.Such as, emulsion sheet 23526 can be made up of such as cytoskeleton related protein matter glycine.Can utilize series-operation, wherein emulsion sheet 23526 can pass for 23592 times at hopper, and material 23525 can be assigned on emulsion sheet 23526 by described hopper 23592.Such as, before being placed on emulsion sheet 23526 by material 23525, emulsion sheet 23526 can be flattened between roller 23591 and anvil block 23590.In a side that material 23525 can be placed on emulsion sheet 23526 or half portion, wherein can by the another side of emulsion sheet 23526 or half portion folding or be turned on material 23525.Before, during and/or after material 23525 has been placed on emulsion sheet 23526, collapsible or folding emulsion sheet 23526 at least in part.Anvil block 23590 can comprise such as cam face 23594, and described cam face 23594 such as can promote the edge or side that vertically move emulsion sheet 23526 and doubling emulsion sheet 23526 subsequently.Cam face 23594 can comprise three-D cam or druum cam, described three-D cam or druum cam emulsion sheet 23526 through cam face 23594 time progressively promote and overturn the part of emulsion sheet 23526.

After emulsion sheet 23526 has been folded on material 23525, folding emulsion sheet 23526 and the material 23525 be positioned at wherein can pass mould 23593, and the emulsion sheet 23526 that described mould 23593 is compressible and/or compacting is folding and material 23525 are to form pipe 23527.Any appropriate process of such as thermal weld and/or laser weld and so on can be utilized to come the edge of sealed folded emulsion sheet 23526.Pipe 23527 also can such as be flattened by one or more roller 23595 at the sidewall of pipe 23527 before sealing.Pipe 23527 also can be flattened by one or more roller after the sidewall of pipe 23527 is by sealing.Under any circumstance, pipe 23527 can be divided into part to produce independent tissue thickness's compensating part.Any appropriate process of such as thermal weld and/or laser weld and so on can be utilized to carry out the end of seal tissue thickness compensation part, but alternatively, one or two end of tissue thickness's compensating part can remain on open configuration.

Referring now to Figure 154, compensating part can be attached to anvil block, and such as, anvil block 22060, wherein compensating part can store at least one medicine wherein.Compensating part 23620 can comprise central main part 23626 and can be attached to the horizontal attachment part 23628 of anvil block 22060.Compensating part 23620 also can comprise the array of the capillary channel 23627 be limited in the tissue contacting surface 23625 of compensating part 23620, and wherein capillary channel 23627 can store one or more medicines wherein.Such as, medicine can comprise fluid, and described fluid can be maintained at because of fluid tension between the sidewall of capillary channel 23627.In all cases, coming by medicament administration to compensating part 23620 of anvil block 22060 can be attached at compensating part 23620, and in some cases, can such as compensating part be attached to anvil block 22060 afterwards by medicament administration to compensating part 23620.Under any circumstance, compensating part 23620 can contact be positioned at anvil block 22060 and back to anvil block 22060 nail bin between tissue, the medicine be wherein stored in capillary channel 23627 can flow to tissue.In all cases, medicine can flow in capillary channel 23627.

Refer again to the compensating part 23620 shown in Figure 154, the capillary channel 23627 of described series can be constructed and arranged to crosshatch pattern, wherein the first quantity passage 23627 can along first direction extend and the passage 23627 of the second quantity can extend along second direction.The passage 23627 of the first quantity can and fluid crossing with the passage 23627 of the second quantity be communicated with.Referring now to Figure 155, compensating part 23920 can comprise main body 23926, and described main body 23926 comprises the array of the capillary channel 23927 be defined in tissue contacting surface 23925.Passage 23927 can limit along linear path, and passage 23927 can limit along nonlinear path simultaneously.Such as, the passage 23927 of the first quantity can extend along axis 23923, and the passage 23927 of the second quantity can extend along axis 23924, and its axis 23923 can extend along the direction being different from axis 23924.Axis 23923 can perpendicular to or be at least substantially perpendicular to axis 23924, wherein passage 23627 can limit island 23922 betwixt.Such as, the top surface of island 23922 can limit the tissue contacting surface 23925 of compensating part 23920.Compensating part 23920 can comprise longitudinal axis 23921 and passage 23627 can extend along the direction horizontal or oblique relative to longitudinal axis 23921.Refer again to Figure 154, multiple capillary channels 23727 that compensating part 23720 can comprise main body 23726 and be defined in main body 23726.Compensating part 23720 also can comprise the vertical passage 23721 that can be communicated with capillary channel 23727 fluid.Optionally, can by one or more medicament storage in vertical passage 23721, its Chinese medicine can such as flow between passage 23721 and capillary channel 23727.Passage 23721 can limit the longitudinal projection in the longitudinal knife slit 22061 that can extend up to and be defined in anvil block 22060.

As mentioned above, refer again to Figure 154, the array being defined in the capillary channel in compensating part can comprise crosshatch pattern.But alternatively, the array of capillary channel can comprise any suitable shape or configuration.Such as, see the compensating part 23820 shown in Figure 154, the passage 23827 be defined in the main body 23826 of compensating part 23820 can comprise such as parallel, tendency passage, described parallel, tendency passage assemble towards centre gangway 23821 and/or disperse away from centre gangway 23821.Referring now to Figure 158, the end effector of surgery suturing appliance can comprise nail bin 24000, and described nail bin 24000 comprises tissue thickness's compensating part 24010, and wherein tissue thickness's compensating part 24010 can comprise at least one medicine wherein and/or thereon, such as, medicine 24001.Referring now to Figure 159, the compensating part 24020 being attached to anvil block 24060 such as can be moved to make position, contact with tissue thickness compensating part 24010 compensating part 24020 is placed to.In such cases, medicine 24001 such as can be transferred to compensating part 24020 from tissue thickness's compensating part 24010.Referring now to Figure 160, compensating part 24020 can comprise the tissue contacting surface 24025 that can contact with tissue thickness compensating part 24010, and its Chinese medicine 24001 can flow in the capillary channel 24027 that is defined in tissue contacting surface 24025.Referring now to Figure 157, compensating part 24020 can comprise at least one medicine of such as medicine 24002 and so on thereon and/or wherein, and described at least one medicine can transfer to tissue thickness's compensating part 24010 from compensating part 24020.

Referring now to Figure 24 0 and Figure 24 1, tissue thickness's compensating part 33020 can comprise be defined in multiple passage in its surface and/or well recessed.Tissue thickness's compensating part 33020 can comprise the vertical passage 33026 extended along the longitudinal axis limited through tissue thickness's compensating part 33020.Such as, the end of vertical passage 33026 can be communicated with the peripheral fluid of tissue thickness compensating part 33020.Multiple slanted channels 33024 that tissue thickness's compensating part 33020 also can comprise multiple well recessed 33022 and be communicated with vertical passage 33026 fluid with well recessed 33022.Tissue thickness's compensating part 33020 also can comprise multiple entrance-exit passageways 33027 that can be communicated with the peripheral fluid of tissue thickness compensating part 33020 with well recessed 33022.Optionally, due to mentioned above, fluid can before tissue thickness's compensating part has been implanted to patient tissue, period and/or flow into afterwards and/or flow out tissue thickness's compensating part 33020.The pattern being defined in passage 33024,33026 and 33027 in the tissue contacting surface 33025 of tissue thickness's compensating part 33020 and well recessed 33022 can limit gripping, and described gripping contact tissue and restriction can organize slip between thickness compensation part 33020 and tissue.Referring now to Figure 24 0A and Figure 24 1A, tissue thickness's compensating part 33120 can comprise the multiple circular channels be defined in its surface.Tissue thickness's compensating part 33120 can comprise concentric circular paths 33127, and described concentric circular paths 33127 comprises the opening in the periphery being defined in tissue thickness's compensating part 33120.To similar above, fluid flows into by passage 33127 and/or flows out tissue thickness's compensating part 33120.Tissue thickness's compensating part 33120 can comprise concentric circular paths 33122, and described concentric circular paths 33122 can not comprise the opening in the periphery being defined in tissue thickness's compensating part 33120.Referring now to Figure 24 2 and Figure 24 3, tissue thickness's compensating part 33220 can comprise the multiple ridges 33227 extended from it, and described ridge 33227 can grasp the tissue of locating near tissue thickness's compensating part 33220.Such as, ridge 33227 can be straight or ridge 33227 and can comprise crooked outline.Although above-mentioned ridge and passage can be used for tissue thickness's compensating part, this type of ridge and passage can with any suitable can bio-absorbable and/or biocompatibility layer together with use.

According to the present invention, compensating part can be made up of multiple layer.Such as, compensating part can comprise ground floor and be attached to the second layer of ground floor.Ground floor can comprise tissue contacting surface and be defined in the multiple capillary channels in tissue contacting surface.Ground floor also can comprise and being defined in towards the second layer and capillary channel in the side of tissue contacting surface dorsad.The second layer can comprise the capillary channel be defined in wherein.Well is recessed to be limited between the ground floor of compensating part and the second layer.Can during cambial moulding technology and/or during rivet hot Welding, any suitable method be such as utilized to be formed in the layer of compensating part by capillary channel.Such as, rivet hot Welding can be utilized to be attached to one another together by the layer of compensating part.Such as, layer can be made up of following material, and described material becomes deformable when being applied in heat, such as, and CAP/GLY (36/64).Under any circumstance, the capillary channel be defined in the tissue contacting surface of compensating part can limit clamping surface betwixt, and described clamping surface can improve to be applied to and is positioned at grasping and controlling of tissue between the anvil block of surgery suturing appliance and nail bin.In other words, the capillary channel being defined in the tissue contacting surface of compensating part can reduce compensating part can the area of contact tissue.In such cases, for given power, compensating part and tissue between can cause higher contact pressure compared with small area of contact.In all cases, higher contact pressure can reduce the slip between compensating part and tissue.

Optionally, one or more medicines can be positioned at be defined in ground floor and the second layer and/or between capillary channel and/or space in.The multiple layers forming compensating part can comprise one group of therapeutic agent layer or therapeutic agent.Such as, ground floor can be made up of the first medicine and the second layer can be made up of the second medicine, and wherein the first medicine can be different from the second medicine.Such as, the capillary channel be defined in ground floor can store the 3rd medicine, and the capillary channel be defined in the second layer can store the 4th medicine, and wherein the first medicine, the second medicine, the 3rd medicine and/or the 4th medicine can be such as different.First medicine, the second medicine, the 3rd medicine and/or the 4th medicine can be such as different.Referring now to Figure 161, compensating part 24120 can comprise multiple layer, such as, and layer 24121-24125.Ground floor 24121 and/or layer 5 24125 can comprise can the sandwiched second layer 24122, third layer 24123 and/or the 4th layer 24124 flat material piece.Optionally, one or more the comprising in layer 24121-24125 is defined in one or more passage 24127.Passage 24127 can extend to the other end from one end of compensating part 24120, and passage 24127 can extend to opposite side from the side of compensating part 24120.Passage 24127 can extend along any suitable direction between any suitable side of compensating part 24120 and/or end.Referring now to Figure 164 and Figure 165, compensating part 24820 can comprise two or more internal layers 24827 that such as can limit interconnection 24822, and described interconnection 24822 extends to opposite side from the side of compensating part 24820.Refer again to Figure 161, the passage 24127 be defined in in layer 24121-24125 can align with being defined in the passage be adjacent in the layer of location.Be defined in passage 24127 in layer 24121-24125 can towards or opening towards the flat surfaces on the layer being adjacent location.Refer again to Figure 161, one or more in layer 24121-24125 comprise at least one well recessed 24129 be defined in wherein.Well recessed 24129 can be communicated with one or more passages 24127 fluid be defined in layer.To similar above, well recessed 24129 can comprise opening towards or towards the opening of adjacent layer, wherein adjacent layer can cover opening.

To being described further above, passage 24127 and/or well recessed 24129 can comprise one or more medicines wherein.Passage 24127 can comprise one or more openings that can allow medicine flow pass 24127.Similarly, passage 24127 can comprise fluid (such as, blood) can be allowed to flow to one or more openings in passage 24127.In such cases, fluid can flow in compensating part 24120, absorb the drug and/or layer 24121-24125 at least partially and flow out compensating part 24120 subsequently.Refer again to Figure 164 and Figure 165, compensating part 24820 can comprise the hole 24828 be such as defined in outer 24826.Refer again to Figure 161, layer 24121-24125 can be made up of any suitable material, such as, and can polymer, PLA and/or PGA of bio-absorbable.All can be made up of identical material in layer 24121-24125.Alternatively, one or more in layer 24121-24125 can be made up of different materials.Optionally, layer the one or more of 24121-24125 comprise the through hole 24128 running through extension, described through hole 24128 fluid of such as blood and so on such as can be allowed to flow in passage 24127, in well recessed 24126 and/or in layer 24121-21135 two or more between.One or more connected to each other by layer 24121-24125 of such as thermal weld and/or laser welding process can be utilized.In such cases, flow to the welding portion of the fluid-soluble solution layer 24121-24125 in compensating part 24120, and allow layer 24121-24125 to be separated and/or peel off.One or morely can be made up of following material in layer 24121-24125, described material with faster than and/or be slower than the speed dissolving of the material being formed other layer of 24121-24125.Such as, the internal layer 24122-24124 of compensating part 24120 can by such as being formed with the material dissolved faster than the speed of the material being formed outer 24121 and 24125.In such cases, when the inside of compensating part 24120 is dissolved, that compensating part 24120 can be consistent or at least substantially consistent global shape.The outermost layer of compensating part can by such as being formed with the material dissolved faster than the speed of material of the innermost layer being formed compensating part.Such as, layer can comprise the material piece of the thickness had between about 1 mil and about 4 mils.

Referring now to Figure 162 and Figure 163, the compensating part of such as compensating part 24220 and so on can comprise the supporting layer 24226 that can be attached to anvil block (such as, anvil block 22060) and/or nail bin.Compensating part 24220 also can comprise the support 24222 being attached to supporting layer 24226, and its medium-height trestle 24222 can comprise multiple shelf layer 24227.Support can comprise such as dimensional structured substrate.Optionally, each in shelf layer 24227 can be made up of multiple fiber.Referring now to Figure 166, each shelf layer 24227 can be made up of fibrous braid, and described fibrous braid comprises more than first fiber 24228 extended along first direction and more than second fiber 24229 extended along second or different directions.Each fibrous braid can comprise multiple pit or cavity 24223, and its middle level 24227, fiber 24228,24229 and cavity 24223 can be limited with the substrate helping tissue and cell ingrowth.Fiber 24228,24229 and/or any other suitable fiber can by forming by bioabsorbable material.Fiber can be made up of such as hemorrhage, binding activities agent (such as, have biological activity and/or pharmacological activity those) and/or supporting member (it can be interlaced with one another together).Under any circumstance, the material of fiber can be selected to cause required biological respinse, such as, cell migration is interior to support 24222, ECM secretes and/or the propagation of structural support cell.

To being described further above, supporting layer 24226 can structurally supporting bracket 24222.Can such as utilize one or more bio-absorbable binding agent support 24222 can be attached to supporting layer 24226.Similarly, can utilize such as one or more biocompatible adhesive that supporting layer 24226 is attached to anvil block or nail bin.Can arrange in any suitable manner or the layer 24227 of stacking support 24222.Each layer 24227 can comprise the pattern of fiber, and its middle level 24227 can be disposed in support 24222 to make the pattern of layer 24227 be what be in alignment with each other.See Figure 167, can layer 24227 be stacked on over each other, the fiber 24228 in ground floor 24227 is alignd with the fiber 24228 in the second layer 24227.Equally, can layer 24227 be stacked on over each other, the fiber 24229 in ground floor 24227 is alignd with the fiber 24229 in the second layer 24227.Referring now to Figure 168, support 24422 can comprise multiple shelf layer 24427, and the fiber 24429 wherein in each shelf layer 24427 carries out orientation along equidirectional, such as, and longitudinal direction.Referring now to Figure 170, each shelf layer 24227 can comprise the pattern of fiber, and its middle level 24227 can be disposed in support 24322 to make the pattern of layer 24227 not line up each other.Can layer 24227 be stacked on over each other, make the fiber 24228 in ground floor 24227 along transverse to or oblique fiber 24228 in the second layer 24227 direction extend.Equally, can layer 24227 be stacked on over each other, make the fiber 24229 in ground floor 24227 along transverse to or oblique fiber 24229 in the second layer 24227 direction extend.Referring now to Figure 171, support 24522 can comprise such as multiple shelf layer 24427, and described multiple shelf layer 24427 is oriented to and makes the fiber 24229 in each shelf layer 24427 carry out orientation along different directions.

To being described further above, the first shelf layer 24227 of support 24222 such as can be made up of the first material, and the second shelf layer 24227 of support 24222 can be made up of second or different materials.Such as, the first material can comprise the first medicine, and the second material can comprise second or different pharmaceutical.To being described further above, such as, the first shelf layer 24227 of support 24222 such as can comprise and is absorbed into its intrastitial first medicine, and the second shelf layer 24227 of support 24222 can comprise be absorbed into its intrastitial second or different pharmaceutical.Such as, the first material can comprise the first medicine, and the second material can comprise second or different pharmaceutical.Support can comprise the layer of any suitable number with any suitable fibers density, and described fiber is made up of the material of any suitable number.

Keeper can be utilized to be arranged on by tissue thickness's compensating part in surgical device (such as, surgical cutting and stitching devices).Keeper can comprise clamping surface and allow surgeon, nurse, technical staff or other staff the feature (such as, anvil block and/or nail bin) of the one or more and surgical instruments in tissue thickness's compensating part to be alignd.Keeper can comprise the feature of one or more tissue thicknesses compensating part that to be alignd by the nail bin of fusion surgery apparatus.Keeper can comprise the feature of one or more tissue thicknesses compensating part that to be alignd by the anvil block of fusion surgery apparatus.Together with can being included in keeper for the nail bin of surgical instruments, and keeper to be engaged with surgical instruments nail bin can be arranged in surgical instruments and can to align in tissue thickness's compensating part one or more.After tissue thickness's compensating part has alignd and has been attached to surgical instruments, keeper can be made to be separated with tissue thickness compensating part, and to have removed from surgical instruments subsequently.

Figure 61-67 shows and such as can be used for first tissue thickness's compensating part 19002 being attached to anvil block 19040 and minor microstructure thickness compensation part 19004 being attached to the embodiment of the keeper 19000 of the nail bin 19050 of surgical stapling device.The keeper assembly 19060 comprising keeper 19000, first tissue thickness's compensating part 19002 and minor microstructure thickness compensation part 19004 can be provided.In general, during use, keeper assembly 19060 can be inserted between anvil block 19040 and the passage that can support nail bin 19050.Then, anvil block 19040 can be closed.By closed anvil block 19040, anvil block 19040 can be pressed on first tissue thickness's compensating part 19002 downwards, anvil block 19040 can be attached to make first tissue thickness's compensating part 19002.Closed anvil block 19040 pushes keeper 19000 downwards and is arranged in the passage of surgical instruments by nail bin 19050.When reopening anvil block 19040, first tissue thickness's compensating part 19002 can be separated with keeper 19000, and when removing keeper 19000 from surgical device subsequently, keeper 19000 can be separated with minor microstructure thickness compensation part 19004.Surgical device is ready subsequently, to use together with the minor microstructure thickness compensation part 19004 being attached to nail bin 19050 with the first tissue thickness's compensating part 19002 being attached to anvil block 19040.

See Figure 61, keeper 19000 can comprise grasping piece 19014, and described grasping piece 19014 can grasp keeper 19000 for the personnel (such as, surgeon, nurse or technical staff) preparing surgical instruments.Keeper 19000 can comprise the first surface 19001 it can being located first tissue thickness's compensating part 19002 and the relative second surface 19003 it can being located minor microstructure thickness compensation part 19004.Optionally, one or more binding agents can be administered to first surface 19001 and/or second surface 19003, for being attached first tissue thickness's compensating part 19002 and minor microstructure thickness compensation part 19004 to it.Keeper 19000 also can comprise such as can the fixture of nail bin 19050 of fusion surgery device.See Figure 64, keeper 19000 can comprise the distally fixture 19108 of the groove 19056 at the distal end place that can engage nail bin 19050 and/or the nearside fixture 19106 at the ridge that can engage on nail bin 19050 or edge 19054.

See Figure 61, first tissue thickness's compensating part 19002 can comprise towards keeper surface 19006 with towards anvil faces 19010.The first surface 19001 of keeper 19000 will be attached to towards keeper surface 19006 by such as binding agent and/or engagement features.Can comprise at least one binding agent thereon towards anvil faces 19010, first tissue thickness's compensating part 19002 can be attached to the anvil block 19040 of surgical device by described binding agent.Such as, binding agent can comprise the activatable adhesive of the nail profiled surface 19044 (Figure 63) that can be attached to anvil block 19040.

See the engagement features 19020 that can comprise the similar engagement features 19042 engaged on anvil block 19040 towards anvil faces 19010 of Figure 61 and Figure 63-66, the first tissue thickness compensating part.Therefore, first tissue thickness's compensating part 19002 can be remained to keeper 19000 by the first retentivity, and first tissue thickness's compensating part 19002 can be remained to anvil block 19040 by the second retentivity.Second retentivity can be greater than the first retentivity, and to make when removing keeper 19000 from end effector, first tissue thickness's compensating part 19002 can keep being attached to anvil block 19040 and can be separated with keeper 19000.

Refer again to Figure 61, minor microstructure thickness compensation part 19004 can comprise towards keeper surface 19008 with towards nail bin surface 19012.The first surface 19001 of keeper 19000 will be attached to towards keeper surface 19006 by one or more binding agents and/or engagement features.Can comprise binding agent thereon towards nail bin surface 19012, minor microstructure thickness compensation part 19004 can be attached to the nail bin 19050 of surgical device by described binding agent.Such as, see Figure 64, minor microstructure thickness compensation part 19004 can be attached to the nail platform 19052 of nail bin 19050 by binding agent.The engagement features of the cooperation engagement features engaged on nail bin 19050 also can be comprised towards nail bin surface 19012.Therefore, minor microstructure thickness compensation part 19004 can be remained to keeper 19000 by the first retentivity, and minor microstructure thickness compensation part 19004 can be remained to nail bin 19050 by the second retentivity.Second retentivity can be greater than the first retentivity, and to make when removing keeper 19000 from end effector, minor microstructure thickness compensation part 19004 can keep being attached to nail bin 19050 and can be separated with keeper 19000.

As shown in Figure 64, keeper assembly 19060 can be attached to nail bin 19050 according to the mode shown in arrow A.As mentioned above, the distally fixture 19018 on keeper 19000 can engage the groove 19056 in nail bin, and the nearside fixture 19016 on keeper can engage edge on nail bin 19050 or ridge 19054.Now, keeper 19000 is attached to nail bin 19050, and as shown in Figure 65, and minor microstructure thickness compensation part 19004 can be attached to nail bin 19050.As shown in Figure 66, the anvil block 19040 of surgical device can make the surface 19044 (such as, following closely profiled surface and/or tissue contacting surface) of anvil block contact with first tissue thickness's compensating part 19002 along closing of arrow B direction.As mentioned above, the anvil block 19040 contacting first tissue thickness's compensating part 19002 can make first tissue thickness's compensating part 19002 be attached to anvil block 19040.

After keeper assembly 19060 has been attached to nail bin 19050 and anvil block 19040 is closed, first tissue thickness's compensating part 19002 can be attached to anvil block 19040, and minor microstructure thickness compensation part 19004 can be attached to nail bin 19050.As mentioned above, the retentivity first tissue thickness's compensating part 19002 being remained to keeper 19000 can be less than the retentivity first tissue thickness's compensating part 19002 being remained to anvil block 19040.Therefore, when reopening anvil block 19040, first tissue thickness's compensating part 19002 can be separated with keeper 19000 and can keep together with anvil block 19040, as seen in figure 67.Described above in addition, retentivity minor microstructure thickness compensation part 19004 being remained to keeper 19000 can be less than the retentivity first tissue thickness's compensating part 19004 being remained to nail bin 19050.Therefore, when removing keeper 19000 along the direction of the arrow C shown in Figure 67 and arrow D, keeper 19000 can be separated with minor microstructure thickness compensation part 19004.Surgical stapling device shown in Figure 67 comprises the first tissue thickness's compensating part 19002 being attached to anvil block 19040 and the minor microstructure thickness compensation part 19004 being attached to nail bin 19050, and ready available.

Figure 39 0-396 shows the keeper 19000 just used together with minor microstructure thickness compensation part 19004 with first tissue thickness's compensating part 19002.Keeper 19000 also can use together with the only one in minor microstructure thickness compensation part 19004 with first tissue thickness's compensating part 19002.Such as, first tissue thickness's compensating part 19002 can be saved.

Figure 68-70 shows the embodiment of the keeper 19100 of the engagement features 19108 that can comprise on surface 19101.As shown in Figure 69 and Figure 70, the engagement features 19108 on keeper 19100 engages the cooperation engagement features 19109 on first tissue thickness's compensating part 19102.

Figure 71 and Figure 72 shows the embodiment that can comprise and tissue thickness's compensating part 19210 can be alignd and be attached to the keeper 19200 on the surface 19202 of anvil block 19230.Keeper 19200 can comprise the alignment bolt 19204 extended from surface 19202.Keeper 19200 shown in Figure 71 and Figure 72 comprises four alignment bolts 19204, but can provide more or less alignment bolt 19204.See Figure 72, tissue thickness's compensating part 19210 can comprise main body 19212, and described main body 19212 comprises hole 19216, and described hole 19216 can be oriented to make it correspond to the position of the alignment bolt 19204 extended from keeper 19200.Each hole 19216 in tissue thickness's compensating part 19210 is engaged on alignment bolt 19204, and due to closely cooperating between hole 19216 and bolt 19204, tissue thickness's compensating part 19210 can be alignd with keeper 19200.Optionally, each hole 19216 can be slightly less than the bolt 19204 of its correspondence, and each hole 19216 is expanded when being placed on its bolt 19204.Hole 19216 can remain on bolt 19204 by this expansion.Each hole 19216 can comprise binding agent wherein, to produce releasable bonding between bolt 19204 and tissue thickness's compensating part 19210.

Tissue thickness's compensating part 19220 can comprise the inserted sheet 19220 that can be received by the slit 19234 anvil block 19230 extended from the main body 19212 of tissue thickness's compensating part 19220.Slit 19234 in anvil block 19230 can such as be positioned in nail profiled surface 19232.After keeper 19200 has been attached to nail bin, to similar above, anvil block 19230 can close near the tissue thickness's compensating part 19210 on keeper 19200.When anvil block 19230 closes, see Figure 72, the inserted sheet 19220 on tissue thickness's compensating part 19210 can engagement slot 19234, thus tissue thickness's compensating part 19210 is attached to anvil block 19230.Main see Figure 71, each inserted sheet 19220 can comprise the tapered portion 19222 be directed to by inserted sheet 19220 in the slit 19234 of anvil block 19230.Tapered portion 19222 can comprise inclined wall and can have the cross-sectional area along its increasing lengths.The body portion 19226 of each inserted sheet 19220 can have the cross-sectional area of the maximum cross-section area being less than tapered portion 19222.Tapered portion 19222 can comprise locking surface 19224, and wherein when inserted sheet 19220 enters slit 19234, locking surface 19224 can be snapped on the antelabium 19235 of slit 19234.Therefore, inserted sheet 19220 can remain in slit 19234 by locking surface 19224, thus tissue thickness's compensating part 19210 is remained to anvil block 19230.To be defined in tissue thickness's compensating part 19210 and the slit 19228 extended between inserted sheet 19220 can allow inserted sheet 19220 inwardly flexure and being engaged in slit 19234.The inserted sheet 19220 just utilizing slit 19234 to keep can limit the first retentivity tissue thickness's compensating part 19210 being remained to anvil block 19230, and the hole 19216 just remained in the tissue thickness's compensating part 19210 on bolt 19204 can limit the second retentivity.First retentivity can be greater than the second retentivity, makes when removing keeper 19200 from end effector, and first tissue thickness's compensating part 19210 can keep being attached to anvil block 19230 and can be separated with keeper 19200.

The main body 19212 of the tissue thickness's compensating part 19210 in Figure 71 and Figure 72 also can within it limit slit 19214.Slit 19214 can align along the longitudinal axis of tissue thickness's compensating part 19210.Such as, can be arranged on longitudinal axis by slit 19214, make when tissue thickness's compensating part 19210 is attached to anvil block 19230, slit 19214 aligns with the longitudinal path of the cutter of surgical device.Slit 19214 can reduce the energy value needed for cutter Qie Chuan tissue thickness compensating part 19210.

Figure 73-83 shows the embodiment of the keeper 19300 comprising fixture 19310, and tissue thickness's compensating part 19340 can remain on the first surface 19302 of keeper 19300 by described fixture 19310.When anvil block 19360 closes on keeper 19300, to similar above, anvil block 19360 can outwards push and movable clamp 19310, and makes keeper 19300 depart from from tissue thickness's compensating part 19340 thus.When reopening anvil block 19360, anvil block 19360 carries out extruding near tissue thickness's compensating part 19340 and moves away from keeper 19300, makes tissue thickness's compensating part 19340 can be attached to anvil block 19360 thus.

Keeper 19300 can comprise nail bin sectional fixture 19312 and 19314, and described nail bin sectional fixture 19312 can to similar relative to those described in Figure 61-70 above with 19314.Except first surface 19302 mentioned above, keeper 19300 also can comprise the second surface 19304 that can carry minor microstructure thickness compensation part.Second surface 19304 can comprise alignment structures, such as, and boss ridge 19308.Boss ridge 19308 can engage the slit in such as minor microstructure thickness compensation part and/or the slit in nail bin 19370.

See Figure 75-77, during use, by fixture 19314 and 19312, keeper 19300 is attached to nail bin 19370.First tissue thickness's compensating part 19340 can be positioned on the first surface 19302 at keeper 19300 place, and keeps fixing by fixture 19310.Main see Figure 81-83, each fixture comprises the flat pieces 19313 that can clamp first tissue thickness's compensating part 19340 near the first surface 19302 of keeper 19300.Each fixture 19310 can comprise towards interior taper or curved surface 19311.When anvil block 19360 moves along the direction of arrow E, see Figure 82, the edge 19366 of anvil block 19360 can contact fixture 19310 towards interior curved surface 19311.When anvil block 19360 continues to move along the direction of arrow E, the interference between the edge 19366 of anvil block 19360 and the curved surface 19311 of fixture 19310 can outwards push fixture 19310 along the direction of arrow F, as shown in fig.82.When fixture 19310 moves along the direction of arrow F, first tissue thickness's compensating part 19340 discharges from the flat pieces 19313 of fixture 19310.

When anvil block 19360 continues to move along the direction of arrow E, it also contacts and is attached to tissue thickness's compensating part 19340.Such as, when anvil block 19360 moves along the direction of arrow E, the engagement features (such as, boss ridge 19344) on tissue thickness's compensating part 19340 engages the passage 19364 in anvil block 19360.Boss ridge 19344 can have interference fit with passage 19364, is attached to anvil block 19360 to make tissue thickness's compensating part 19340.Tissue thickness's compensating part 19340 can comprise the binding agent on the surface being attached to anvil block 19360.Boss ridge 19344 can comprise the binding agent on the surface being attached to passage 19364.Equally, the surface of the main body 19342 of tissue thickness's compensating part 19340 can comprise the binding agent on the surface 19362 being attached to anvil block 19360.After tissue thickness's compensating part 19340 is attached to anvil block 19360, when anvil block 19360 turns back to its open position by moving along the direction of arrow G, as shown in Figure 83, tissue thickness's compensating part 19340 can promote from keeper 19300 and can keep together with anvil block 19360.

Figure 84 shows the sectional side view of the embodiment of keeper 19400.First tissue thickness's compensating part 19410 is positioned on the first side 19402 of keeper 19400, and minor microstructure thickness compensation part 19420 is positioned on the second side 19404 of keeper 19400.Keeper 19400 limits the one or more holes 19406 running through extension.Connector 19430 by extend through hole 19406 also connects first tissue thickness's compensating part 19410 and minor microstructure thickness compensation part 19420 through hole.First tissue thickness's compensating part 19410, minor microstructure thickness compensation part 19420 and connector 19430 all can be formed by homogenous material.Such as, can by first tissue thickness's compensating part 19410, minor microstructure thickness compensation part 19420 and connector 19430 overmolding on keeper 19400.Alternatively, connector 19430 can be formed as the part of the one (such as, first tissue thickness's compensating part 19410) in tissue thickness's compensating part.Connector 19430 can pass hole 19406, and is attached to remaining tissue thickness compensating part subsequently, such as, and minor microstructure thickness compensation part 19420.Can such as by utilizing binding agent or by the interference fit between the receiving port (not shown) in the end of connector and minor microstructure thickness compensation part 19420, connector 19430 being attached to minor microstructure thickness compensation part 19420.Connector 19430 can be separate part, and described separate part to be placed in hole 19406 and by such as utilizing the interference fit between the receiving port in the end of binding agent or connector 19430 and first tissue thickness's compensating part 19410 and minor microstructure thickness compensation part 19420 to be attached to first tissue thickness's compensating part 19410 and minor microstructure thickness compensation part 19410.

After keeper 19400 has been placed on nail bin 19450, such as, the anvil block 19440 of surgical device can be moved to make position along the direction of arrow H.When anvil block 19440 closes, first tissue thickness's compensating part 19410 can be attached to anvil block 19440 by the binding agent on the surface 19414 of first tissue thickness's compensating part 19410 and/or engagement features.Equally, minor microstructure thickness compensation part 19420 can be attached to nail bin 19450 by the binding agent on the surface 19424 of minor microstructure thickness compensation part 19420 and/or engagement features.After anvil block 19440 is closed and first tissue thickness's compensating part 19410 and minor microstructure thickness compensation part 19420 are attached to anvil block 19440 and nail bin 19450 respectively, can along the direction of arrow I (Figure 88) tractive keeper 19400 with from removing keeper 19400 between first tissue thickness's compensating part 19410 and minor microstructure thickness compensation part 19420 and making connector 19430 rupture.As shown in Figure 89, after connector 19430 ruptures and keeper 19400 has been removed, can reopen anvil block 19440, first tissue thickness's compensating part 19410 will be attached to anvil block 19440 and minor microstructure thickness compensation part 19420 will be attached to nail bin 19450.

According to the present invention, the portions of proximal 19407 in each hole 19406 in keeper 19400 can comprise cutting edge.When along the direction tractive keeper of arrow I (Figure 88), transmit traction force by the portions of proximal 19407 in hole 19406 and rupture to make connector.The power of transmission concentrates on the relatively little region of each connector by the cutting edge at portions of proximal 19407 place in each hole 19406.Therefore, connector will rupture relatively easily and less traction force can be needed to remove keeper 19400 between first tissue thickness's compensating part 19410 and minor microstructure thickness compensation part 19420.

As mentioned above, keeper assembly can comprise the keeper be positioned between first tissue thickness's compensating part and minor microstructure thickness compensation part, wherein when Liang Ge tissue thickness compensating part has inserted and has been attached to the end effector of surgical instruments, keeper can from carrying out tractive between tissue thickness's compensating part and can removing from end effector.Keeper can provide the barrier between first tissue thickness's compensating part and minor microstructure thickness compensation part.Once remove keeper between first tissue thickness's compensating part and minor microstructure thickness compensation part, among first tissue thickness's compensating part and/or on material just such as can with minor microstructure thickness compensation part among and/or on material react.One or two in tissue thickness's compensating part can comprise can by the film of substance encapsulation at tissue thickness's compensating part.Film can be attached to keeper, wherein when between tissue thickness's compensating part during tractive keeper, as mentioned above, keeper can tractive film away from tissue thickness's compensating part to expose the material be accommodated therein.Now, the material in each tissue thickness compensating part all can be interact with each other.

Figure 90-100 shows the embodiment of the keeper of the anvil block of fusion surgery device (such as, surgical stapling device).First tissue thickness's compensating part can align with anvil block and be alignd with nail bin by minor microstructure thickness compensation part by keeper.Closed anvil block causes first tissue thickness's compensating part to be attached to anvil block, and causes minor microstructure thickness compensation part to be attached to nail bin.Keeper also can carry nail bin, and wherein tissue thickness's compensating part is optionally arranged between keeper and nail bin.Closed anvil block causes nail bin be attached to the passage of surgical stapling device and cause first tissue thickness's compensating part to be attached to anvil block.

Figure 90-93 shows the embodiment of keeper 19500.Keeper 19500 comprises surgeon, nurse, technical staff or other staff can be supplied to handle the grasping piece 19502 of keeper 19500.Grasping piece 19502 can comprise the texturizing surfaces that can provide good clamping surface, such as bossing 19503.Keeper 19500 can comprise the surface 19504 it can being installed tissue thickness's compensating part.Surface 19504 can comprise one or more protuberance 19506, and wherein protuberance 19506 can groove in joining tissue thickness compensation part and aliging tissue thickness's compensating part relative to the surface 19504 of keeper 19500.Groove in tissue thickness's compensating part can be slightly less than protuberance 19506, makes when engaging with groove, and tissue thickness's compensating part can be remained to surface 19504 by protuberance 19506.Protuberance 19506 can through the hole in tissue thickness's compensating part and engagement slot (such as, cutter slit 19558 in anvil block 19550 shown in Figure 95), thus tissue thickness's compensating part is alignd with keeper 19500 and the additional alignment of keeper 19500 with anvil block 19550 is provided.Tissue thickness's compensating part 19540 can comprise binding agent on surface 19542 as above and/or engagement features is attached to anvil block 19550 for by tissue thickness's compensating part.

As shown in Figure 94 a, nail bin 19530 can be attached to keeper 19500.Nail bin 19530 is attached to keeper 19500 by the fixture 19510 and 19512 by extending from keeper 19500.Fixture 19512 on keeper 19500 can engage the slit 19534 in nail bin 19530.The fixture 19510 of keeper 19500 can around the bottom 19532 of nail bin 19532.According to the present invention, minor microstructure thickness compensation part can be attached to nail bin 19530.Minor microstructure thickness compensation part can be attached to the nail platform 19536 of nail bin 19530.

As shown in Figure 95 and Figure 96, the direction of the keeper assembly 19590 comprising keeper 19500, tissue thickness's compensating part 19540 and nail bin 19530 along arrow L can be slided on the anvil block 19550 of surgical device (such as, surgical stapling device).Guiding inserted sheet 19508 on keeper 19500 around the edge 19552 of anvil block 19550, and can carry out positioning retainer assembly 19590 relative to anvil block 19550.After keeper assembly 19590 joins on anvil block 19550, as shown in Figure 97 and Figure 98, closed anvil block can be carried out along the direction of arrow M.Nail bin 19530 can be positioned in the passage 19560 of surgical device by the closed of anvil block 19550.The closed ridge 19562 that can cause fixture 19510 mating passage 19560 extended from keeper 19500 of anvil block 19550, to be positioned at nail bin 19530 securely in passage 19560.When reopening anvil block 19550 along the direction of arrow N, referring now to Figure 99 and Figure 100, tissue thickness's compensating part 19540 can keep being attached to anvil block 19550 and be separated with keeper 19500.Then can remove keeper 19500 along the direction of arrow O (Figure 99 and Figure 100) from surgical instruments, thus leave the nail bin 19530 of the passage 19560 being arranged in surgical device and be attached to tissue thickness's compensating part 19540 of anvil block 19550.

Figure 101 and Figure 102 respectively illustrates the example of the embodiment of two alternatives of tissue thickness's compensating part 19570 and 19580.Figure 101 is the sectional view of the tissue thickness's compensating part 19570 being attached to keeper 19501, wherein tissue thickness's compensating part 19570 can comprise projection 19574, described projection 19574 can contact anvil block 19550 edge 19552 and partly around the outer surface 19556 of anvil block 19550.Projection can grasp anvil block 19550 and/or one or more binding agents can be utilized to be attached to anvil block 19550.After implanting compensating part 19570 at patient tissue relatively, discharge tissue thickness's compensating part 19570 from anvil block 19550, projection 19574 outwards can bend from anvil block 19550, thus permission tissue thickness compensating part 19570 is pulled away from anvil block 19550.Figure 102 is the sectional view of the tissue thickness's compensating part 19580 being attached to the keeper 19501 shown in Figure 101.Tissue thickness's compensating part 19580 comprises bearing sleeve 19584, and described bearing sleeve 19584 can surround anvil block 19550 and aligns with anvil block 19550 to make tissue thickness's compensating part 19580 and/or remained on anvil block 19550 by tissue thickness's compensating part 19580.Tissue thickness's compensating part 19580 can remain on anvil block 19550 by bearing sleeve 19584.In order to make bearing sleeve 19584 be separated with anvil block 19550, tissue thickness's compensating part 19580 such as can be torn to leave bearing sleeve 19584 at perforation 19586 place.Therefore, bearing sleeve 19584 can remain on anvil block 19550, and the remainder of tissue thickness's compensating part 19580 can keep being sewn onto patient tissue.

Tissue thickness's compensating part (such as, tissue thickness's compensating part 19570) can comprise interior section, and described interior section comprises the biocompatible substance be positioned at wherein.Biocompatible substance can comprise such as antiinflammatory, coagulating agent and/or antibiotic.According to the present invention, the main body of such as wafer and so on can be inserted in the interior section in tissue thickness's compensating part.Such as, wafer can be inserted into by the opening of tissue thickness's compensating part in the cavity be defined in wherein.Wafer remains in the cavity of tissue thickness's compensating part by interference fit.Heat tissue thickness compensation part can be comprised to make the first step of tissue thickness's compensating part expansion for step wafer set installed in tissue thickness's compensating part.When tissue thickness's compensating part expansion, the cavity be defined in wherein is also expansible.When tissue thickness's compensating part is in expansion state, according to second step, wafer can be inserted in cavity.Then, when the cooling of tissue thickness compensating part, according to third step, cavity is collapsible to the appropriate location remained on wafer and by wafer in cavity.

Figure 103-115 shows the embodiment of the keeper comprising separate insertion tool.Insertion tool can be used for being inserted into by assembly in the surgical instruments of such as surgical stapling device and so on.The nail bin of keeper assembly and one or more tissue thicknesses compensating part also can be expressed to the appropriate location in surgical instruments by insertion tool.See Figure 103 and Figure 104, keeper 19600 can comprise the first plate 19620 and the second plate 19622.First plate 19620 is connected by hinge 19612 with the second plate 19622.First plate 19620 can be positioned to relative to the second plate 19622 at angle by hinge 19612, and the first plate 19620 can be allowed to rotate around hinge 19612 relative to the second plate 19622.

First plate 19620 can comprise exterior surface 19604 and to inner surface 19606.Equally, the second plate 19622 can comprise exterior surface 19610 and to inner surface 19608.First plate 19620 can comprise cam projection 19614 to inner surface 19606.Similarly, the second plate 19622 can comprise cam projection 19616 to inner surface 19608.Exterior surface 19604 see Figure 110-115, the first plate can comprise location tissue thickness's compensating part thereon.The exterior surface 19601 of the second plate 19622 also can comprise location tissue thickness's compensating part thereon.Can such as utilize binding agent, engagement features and/or other suitable attachment components that tissue thickness's compensating part is attached to outer surface 19604 and 19610.Keeper 19600 can comprise the fixture 19618 that can engage nail bin 19690 extended from the second plate 19622, as shown in Figure 110 and Figure 112-115.

Referring now to Figure 105-109, insertion tool 19630 can comprise the first end 19632 and the second end 19634.First end 19632 can be enough large, for such as surgeon, nurse and/or technical staff promptly.Second end 19634 limits cavity 19640, and wherein cavity can comprise the cam 19648 be positioned at wherein.The first lower concave part 19646 that first side of cam 19648 can comprise the first protuberance 19642, second protuberance 19644 and be positioned between the two.The second lower concave part 19647 that second side of cam 19648 can comprise the 3rd protuberance 19643, the 4th protuberance 19645 and be positioned between the two.Such as, protuberance and lower concave part can be arranged in a mirror-image fashion.In other words, can by the first protuberance 19642 to be just arranged on the first side of cam 19648 mode of the 3rd protuberance 19643 on the second side of cam 19648.Equally, can by the second protuberance 19644 to be just arranged on the first side of cam 19648 mode of the 4th protuberance 19645 on the second side of cam 19648.In addition, can by the first lower concave part 19464 to be just arranged on the first side of cam 19648 mode of the second lower concave part 19647 on the second side of cam 19648.

During use, second end 19634 of insertion tool 19630 can be placed between the first plate 19620 of keeper 19600 and the second plate 19622, such as, cam projection 19614 on the first plate 19620 be engaged with lower concave part 19646 and the cam projection 19616 on the second plate 19622 is engaged with lower concave part 19647.As shown in Figure 112 and Figure 113, the plug-in package 19700 comprising keeper 19600, insertion tool 19630, one or more tissue thicknesses compensating part and nail bin 19690 can be inserted in surgical instruments.Surgical instruments (such as, surgical stapling device) can comprise anvil block 19720 and can receive the passage 19740 of nail bin 19690.The direction (Figure 113) of plug-in package 19700 along arrow P can be inserted in surgical instruments to be locked in passage 19740 by nail bin 19690.In this position, cam 19614 and 19616 can align with lower concave part 19646 and 19647 respectively.

After nail bin 19690 is locked in passage 19740, as shown in Figure 114, insertion tool 19600 can continue to move along the direction of arrow Q relative to surgical instruments.Insertion tool 19600 can make the first protuberance 19642 align with the first cam projection 19614 along the further movement in the direction of arrow Q, and the 3rd protuberance 19634 is alignd with the second cam projection 19616.This alignment can cause the direction (Figure 114) of keeper plate 19620 and 19622 around hinge 19612 along arrow R to rotate in mode away from each other.In such cases, keeper plate 19620 and tissue thickness's compensating part 19670 can shift to anvil block 19720, and keeper plate 19622 can be shifted to and contact anvil block 19720.Optionally, due to mentioned above, tissue thickness's compensating part 19670 can be placed on anvil block 19720.After tissue thickness's compensating part 19670 is attached to anvil block 19720, can along the direction of arrow S (shown in Figure 115) retraction or mobile insertion tool 19630.Insertion tool 19630 can cause cam projection 19614 to be separated with the 3rd protuberance 19643 with the first protuberance 19642 respectively with 19616 along the movement in the direction of arrow S, and becomes and again align with the first lower concave part 19646 and the second lower concave part 19647 respectively.Second protuberance 19642 and the 4th protuberance 19645 can adjoin cam projection 19614 and 19616 respectively, and insertion tool 19630 can be stoped to be separated completely with keeper 19600.When cam projection 19614 and 19616 is alignd again with lower concave part 19646 and 19647, the first plate 19620 can rotate towards the second plate 19622 away from anvil block 19720 at least in part around hinge 19612.Keeper 19600 also can be made to be separated with passage 19740, and to shift out along the direction of arrow S subsequently, thus leave the tissue thickness's compensating part 19670 being such as attached to anvil block 19720.

As described herein, keeper assembly can be used for one or more tissue thicknesses compensating part to be installed in the end effector of surgery suturing appliance.Layer except tissue thickness's compensating part can be installed in surgical instruments by keeper assembly.Layer can comprise such as absorbable material and/or biocompatible materials.

See Figure 172, end effector 12 can receiving end executor insert 25002.End effector 12 can comprise lower jaw 25070 and can relative to the anvil block 25060 of lower jaw 25070 pivotable.End effector insert 25002 can comprise the nail bin 25000 that can be pivotally connected to anvil block insert 25004.End effector 12 can receiving end executor insert 25002, makes anvil block insert 25004 contact such as anvil block 25060 in the nail bin passage 25072 making nail bin 25000 be engaged in such as lower jaw 25070.Lower jaw 25070 can comprise multiple fixed components 25074 that nail bin 25000 can be fixed to nail bin passage 25072.Anvil block insert 25004 can comprise at least one maintenance projection that at least one that can engage in anvil block 25060 keeps groove.Anvil block insert 25004 can anvil block 25060 towards during lower jaw 25070 pivotable correspondingly towards nail bin 25000 pivotable, as described in more detail.

Still see Figure 172, end effector insert 25002 also can comprise keeper 25010.Keeper 25010 can engage at least one in nail bin 25000 and anvil block insert 25004 securely.Keeper 25010 can comprise can clamp, engage, buckle, clamping and/or catch at least one stationary fixture 25012 of nail bin 25000.As shown in Figure 172, keeper 25010 can comprise two stationary fixtures 25012 being such as positioned at its each longitudinal side.Such as, stationary fixture 25012 can be clipped in a part for such as nail bin 25000.According to the present invention, tissue thickness's compensating part keeps fixing by keeper 25010 relative to end effector insert 25002.Such as, tissue thickness's compensating part can be positioned between keeper 25010 and nail bin 25000.

Optionally, when end effector insert 25002 is just inserted in end effector 12 by operator, element that is that keeper 25010 can provide solid or solid substantially is firmly grasped for operator.In addition, keeper 25010 can stop the premature deformations of the tissue thickness's compensating part limited by such as keeper 25010.Can cut utilizing end effector 12 and/or before fastening tissue, keeper 25010 be removed from end effector 12.Alternatively, keeper 25010 can remain positioned in end effector 12.Such as, when following closely cavity 25002 (Figure 20 7) percussion from nail bin 25000, when pulling the trigger by cutting element 25052 (figure), by cutting element 25052 crosscut end executor insert 28010.Keeper 25010 can comprise polymer composition, such as, and can the biocompatible elastomers polymer of bio-absorbable.Keeper 25010 also can comprise can the polymer of bio-absorbable, such as, and lyophilizing polysaccharide, glycoprotein, elastin laminin, Dan Baiduotang proteoglycan PG, gelatin, collagen and/or oxidized regenerated cellulose (ORC).Keeper 25010 can comprise at least one therapeutic agent, such as pharmaceutically active agents or medicine.

See Figure 173, end effector 26012 can comprise anvil block 26060 and lower jaw 26070.According to the present invention, both anvil block 26060, lower jaw 26070 and/or anvil block 26060 and lower jaw 26070 can be fixed to releasedly by organizing compensating part 26020.Such as, compensating part 26020 can be organized first to be fixed to nail bin 26000 in lower jaw 26070 releasedly, and minor microstructure compensating part 26022 can be fixed to anvil block 26060 releasedly.First to organize compensating part 26020 and minor microstructure compensating part 26022 can be deformable and/or elastic, and this is similar at least one tissue thickness's compensating part as herein described.Such as, first organizes compensating part 26020 and minor microstructure compensating part 26022 to comprise polymer composition, such as can the biocompatible elastomers polymer of bio-absorbable.First organizes compensating part 26020 and minor microstructure compensating part 26022 also can comprise can the polymer of bio-absorbable, such as, and lyophilizing polysaccharide, glycoprotein, elastin laminin, Dan Baiduotang proteoglycan PG, gelatin, collagen and/or oxidized regenerated cellulose (ORC).First organizes compensating part 26020 and minor microstructure compensating part 26022 can comprise at least one therapeutic agent, such as pharmaceutically active agents or medicine.

Organize compensating part 26020,26022 can comprise firmly or firmly protective cap 26024,26026 substantially.Such as, the first protective cap 26024 can be positioned on the distal end place that first organizes compensating part 26020, and the second protective cap 26026 can be positioned on the distal end place of minor microstructure compensating part 26022.Protective cap 26024,26026 can stop or restricted group knits the premature deformations of compensating part 26020,26022.Such as, when organizing compensating part 26020,26022 such as move through the trocar and/or operate around patient tissue, protective cap 26024,26026 can protective tissue compensating part 26020,26022.Similarly, see Figure 174, end effector 12 can comprise first of the nail bin 25000 be fixed to releasedly in lower jaw 25070 to be organized compensating part 25020 and is fixed to the minor microstructure compensating part 25022 of anvil block 25060 releasedly.According to the present invention, protective cap 25026 can be positioned at the distal end place of minor microstructure compensating part 25022.Protective cap 25026 can be positioned to the deformable/elastic part of adjacent tissue's compensating part 25022.Protective cap 25026 can to organize on compensating part 25022 and/or around extend, make distal end and the mid portion of protective cap 25026 protective tissue compensating part 25022.

See Figure 175-202, sleeve pipe 27010 can engage the anvil block 25060 of the end effector 12 of such as surgical instruments.Sleeve pipe 27010 can comprise furcation 27040 (Figure 176-179), nose 27080 (Figure 186-189) and compensating part 27120 (Figure 180-182).Sleeve pipe 27010 can discharge compensating part 27020 when the distal end of translation trigger shaft 25052 (Figure 196) close to side terminal part executor 12.Compensating part 27020 can be deformable and/or elastic, and this is similar at least one tissue thickness's compensating part as herein described.Such as, compensating part 27020 can comprise polymer composition, such as can the biocompatible elastomers polymer of bio-absorbable.Compensating part 27020 also can comprise can the polymer of bio-absorbable, such as, and lyophilizing polysaccharide, glycoprotein, elastin laminin, Dan Baiduotang proteoglycan PG, gelatin, collagen and/or oxidized regenerated cellulose (ORC).Compensating part 27020 can comprise at least one therapeutic agent, such as pharmaceutically active agents or medicine.Main see Figure 175, on the outer surface 25061 that furcation 27040 can be positioned at anvil block 25060 and/or around.The nose 27080 of sleeve pipe 27010 can be positioned at extremity office and/or the surrounding of anvil block 25060.On the inner surface that compensating part 27020 can be positioned at anvil block 25060 and/or around.

Still see Figure 175, furcation 27040 can comprise at least one fork 27042a.Optionally, as shown in Figure 50 5-508, furcation 27040 can comprise the first fork 27042a and second fork 27042b.Such as, pitching 27042a, 27042b can be symmetrical or substantial symmetry.First fork 27042a can be symmetrical relative to the second fork 27042b.First fork 27042a and/or second fork 27042b can narrow at its distal end place.Such as, each fork 27042a, 27042b can comprise narrow end 27048.Main see Figure 178, furcation 27040 such as can be into profile.Refer again to Figure 175, the profile of furcation 27040 such as can mate or substantially mate the profile of the outer surface 25061 of anvil block 25060.Main see Figure 178 and Figure 179, furcation 27040 also can comprise at least one fastener 27044a extended from the first fork 27042a.First fastener 27044a can be positioned on the first side of furcation 27040, and the second fastener 27044b can be positioned on the second side of furcation 27040.Fastener 27044a, 27044b can such as be positioned at furcation 27040 proximal extremity place or near.Fastener 27044a, 27044b can such as along first fork 27042a and/or second fork 27042b be positioned at furcation 27040 distal end place or near.Fastener 27044a, 27044b can extend along the shorter length of the length of furcation 27040 and/or furcation 27040.Such as, multiple fastener 27044a, 27044b can position along the longitudinal side of each of furcation.Main see Figure 179, the first fastener 27044a can comprise the first fastener extension 27046a and/or the second fastener 27044b can comprise the second fastener extension 27046b.Such as, the first fastener extension 27046a can giving prominence to from fastener 27044a at least partially, and the second fastener extension 27046b can giving prominence to from fastener 27044b at least partially.In addition, the first fastener extension 27046a and the second fastener extension 27046b can engage the gap 27128 (Figure 181) in compensating part 27020 separately, as described in more detail.

Referring now to Figure 20 1, the compensating part 27020 for sleeve pipe 27010 can comprise longitudinal projection 27024 and be positioned at the edge 27026 of each longitudinal side of compensating part 27020.Compensating part 27020 can be positioned to the inner surface 25063 of contiguous adjacent anvil block 25060.In addition, when being positioned on anvil block 25060 by sleeve pipe 27010, longitudinal projection 27024 can longitudinal slit 25062 in substantial alignment anvil block 25060 and/or in being positioned in anvil block 25060 longitudinal slit 25062.The edge 27026 of compensating part 27020 can hold anvil block 25060 at least in part towards outer surface 25061.Main see Figure 180-181, the compensating part 27120 for sleeve pipe 27110 can comprise main body 27122, and described main body 27122 has the longitudinal projection 27124 extended at least partially along it.Such as, longitudinal projection 27124 can limit the longitudinal path of the center line along main body 27122.When being positioned on anvil block 25060 by sleeve pipe 27110, longitudinal projection 27124 can be received by the longitudinal slit 25062 (Figure 20 1) in anvil block 25060.Main see Figure 182, longitudinal projection 27124 can comprise lobe.Such as, the cross section of longitudinal projection 27124 can form arc and/or partial circle.Alternatively, longitudinal projection 27124 can include angle and/or stair-stepping protuberance.Compensating part 27120 also can comprise edge 27126, and described edge 27126 can be such as straight, bending, reeded, corrugated and/or flexuose.Edge 27126 can comprise gap 27128, receives fastener extension 27046a, 27046b (Figure 179) when described gap 27128 can be positioned on anvil block 25060 at the sleeve pipe 27210 assembled.Fastener extension 27046a, 27046b can fit through gap 27128 to engage anvil block 25060, make fastener extension 27046a, 27046b such as contribute to sleeve pipe 27110 to be fixed to anvil block 25060.

Main see Figure 183-185, the compensating part 27220 for sleeve pipe 27210 can comprise main body 27222, and described main body 27222 comprises the longitudinal projection 27224 extended at least partially along it.Optionally, to similar above, when being positioned on anvil block 25060 by sleeve pipe 27210, longitudinal projection 27224 can be received by the longitudinal slit 25062 (Figure 20 2) in anvil block 25060.Main see Figure 185, longitudinal projection 27224 can include the protuberance at angle, makes the cross section of outstanding 70224 form the shape of substantial rectangular.Compensating part 27220 also can comprise edge 27226, and described edge 27226 can be such as straight, bending, reeded, corrugated and/or flexuose.Edge 27226 can comprise gap 27228, receives fastener extension 27046a, 27046b (Figure 179) when described gap 27228 can be positioned on anvil block 25060 at the sleeve pipe 27210 assembled.Fastener extension 27046a, 27046b can fit through gap 27228 and engage anvil block 25060, make fastener extension 27046a, 27046b such as contribute to sleeve pipe 27210 to be fixed to anvil block 25060.Compensating part 27220 also can comprise multiple ribs 27229 of the main body 27222 of traversing compensating part 27220.When sleeve pipe 27210 being positioned at anvil block 25060 and/or when compensating part 27220 contact tissue, rib 27229 can support the main body 27222 of compensating part 27220.

See Figure 38 6-390, the nose 27080 of sleeve pipe 27010 can comprise alignment ridge 27082, and described alignment ridge 27082 can with longitudinal slit 25062 (Figure 20 1) substantial alignment in anvil block 25060.When the ridge 27082 that aligns aligns with longitudinal slit 25062 and when being positioned on anvil block 25060 when sleeve pipe 27010, nose 27082 can surround the distal part of the furcation 27040 of sleeve pipe 27010 at least in part.Such as, when being positioned on anvil block 25060 by sleeve pipe 27010, the narrow end 27048 of each fork 27042a, 27042b can be positioned in nose 27080.As described in more detail, when furcation 27042 is engaged with nose 27080, nose 27080 can make fork 27042a, 27042b with each other closer to and/or downward mode bend.In addition, as shown in Figure 190, when the narrow end 27048 of furcation 27040 being positioned in nose 27080, fastener 27044a, 27044b on furcation 27040 can engage the edge 27026 of such as compensating part 27020.Due to this joint, compensating part 27010 can be fixed to anvil block 25060.

See Figure 191-195, when nose 27080 engages with the furcation 27040 of sleeve pipe 27010, compensating part 27020 can be fixed to anvil block 25060.When trigger shaft 25050 is along a part of translation of the longitudinal slit 25062 in anvil block 25060, nose 27080 can keep engaging with furcation 27040.Referring now to Figure 195-200, when the cutting element 25052 on trigger shaft 25050 and/or trigger shaft 25050 any other desired part (such as, keep flange 25054) distal end close to anvil block 25060 time, trigger shaft 25050 can make nose 27080 be separated with furcation 27040.Trigger shaft 25050 can such as contact nose 27080 and nose 27080 is pushed away anvil block 25060, and nose 27080 is separated with the furcation 27040 of sleeve pipe 27010.Referring now to Figure 20 2, when nose 27080 is separated with furcation 27040, the first fork 27042a and second fork 27042b can bend away from anvil block 25060.Such as, when furcation 27070 engages with nose 27080, fork 27042a, 27042b can towards anvil block 25060 with each other closer to and/or downward mode carry out bending and remain on this position by nose 27080.Under fork 27042a, 27042b being remained on spring-load by nose 27080, make fork 27042a, 27042b at nose 27080 once be separated with fork 27042a, 27042b, just attempt to spring back to neutral configuration.Alternatively, fork 27042a, 27042b can be fully distortion, make fork 27042a, 27042b at nose 27080 once be separated with it, just by trigger shaft 25050 outwards distortion or expand.When pitching 27042a, 27042b and moving away from anvil block 25060, fastener 27044a, 27044b along longitudinal side of each fork 27042a, 27042b can depart from compensating part 27020, and this can allow to discharge compensating part 27020 from anvil block 25060.

See Figure 20 3-209, the end effector 12 of surgical instruments such as can receiving end executor insert 28010.End effector insert 28010 can comprise compensating part main body 28012 and at least one fixture 28014a, 28014b.End effector insert 28010 can comprise the distally fixture 28014a at the nearside fixture 28014b at the proximal extremity place of such as compensating part main body 28012 and the distal end place of compensating part main body 28012.Main see Figure 20 6, can by distally fixture 28014a the distal end place of anvil block 25060 or near be fixed to the anvil block 25060 of end effector 12.Such as, fixture 28014a in distally with longitudinal slit 25062 substantial alignment of anvil block 25060 and/or can partly can be positioned in longitudinal slit 25062 of anvil block 25060.Main see Figure 20 7, nearside fixture 28014b can be fixed to the nail bin 25000 (Figure 20 8) in the lower jaw 25070 of end effector 12.Can by nearside fixture 28014b the proximal extremity place of nail bin 25000 or near be fixed to nail bin 25000.Such as, proximal extremity fixture 28014b can with in longitudinal slit 25004 substantial alignment in nail bin 25000 and/or the longitudinal slit 25004 that can be positioned in nail bin 25000.

Referring now to Figure 20 8 and 209, end effector insert 28010 can be inserted in the end effector 12 of surgical instruments.Optionally, (such as, compensating part main body 28012, distally fixture 28014a and/or the nearside fixture 28014b) at least partially of end effector insert 28010 can be such as deformable and/or elastic.When end effector insert 28010 is inserted in end effector 12, distally and/or nearside fixture 28014a, 28014b is flexible or flexure.When fixture 28014a, 28014b such as bend, fixture 28014a, 28014b such as can attempt return its initial undeformed configuration and can produce corresponding resilience force or restoring force.Optionally, when being positioned in end effector 12 by end effector insert 28010, end effector insert 28010 can apply spring-load to end effector 12.That end effector insert 28010 can be solid or solid substantially, makes operator can to firmly grasp insert 28010 when just end effector insert 28010 and nail bin 25000 being inserted in end effector 12.

End effector insert 28010 can the cutting of end effector 12 and/or tightening operation come remove from end effector 12.Alternatively, end effector insert 28010 can remain positioned in end effector 12 during cutting and/or percussion operation.Such as, when nail is pulled the trigger from the nail chamber 25002 (Figure 20 7) its nail bin 25000, by cutting element 25052 crosscut end executor insert 28010.End effector insert 28010 can comprise tissue thickness's compensative material, and this is similar at least one in tissue thickness as herein described compensating part.Such as, end effector insert 28010 can comprise polymer composition, such as can the biocompatible elastomers polymer of bio-absorbable.End effector insert 28010 also can comprise can the polymer of bio-absorbable, such as, and lyophilizing polysaccharide, glycoprotein, elastin laminin, Dan Baiduotang proteoglycan PG, gelatin, collagen and/or oxidized regenerated cellulose (ORC).End effector insert 28010 can comprise at least one therapeutic agent, such as pharmaceutically active agents or medicine.

See Figure 21 0-215, tissue thickness's compensating part 29020 can be positioned in the end effector 12 of surgical instruments.Tissue thickness's compensating part 29020 can be substantially similar at least one in tissue thickness as herein described compensating part.Such as, tissue thickness's compensating part 29020 can be fully distortion with elastic, make the distortion of tissue thickness's compensating part 29020 produce resilience force or restoring force.Main see Figure 21 1, tissue thickness's compensating part 29020 can be attracted to the anvil block 25060 of end effector 12 by electrostatic charge, makes electrostatic charge that tissue thickness's compensating part 29020 is fixed to anvil block 25060.Can neutralize static charges, make anvil block 25060 discharge tissue thickness's compensating part 29020.In addition or alternatively, referring now to Figure 21 2, by least one suction element 29022, tissue thickness's compensating part 29020 is fixed to anvil block 25060.Such as, tissue thickness's compensating part 29020 can be fixed to anvil block 25060 by multiple micro-suction element 29022 on the surface of tissue thickness's compensating part 29020 releasedly.Or alternatively, see Figure 21 3, tissue thickness's compensating part 29020 can be fixed to anvil block 25060 by hook-loop securing member 29024 in addition.Such as, the surface of tissue thickness's compensating part 29020 can comprise multiple hook fastener 29024a, and the surface of anvil block 25060 can comprise such as multiple ring fastener 29024b.Hook fastener 29024a can adapter ring securing member 29024b, makes tissue thickness's compensating part 29020 be fixed to anvil block 25060 releasedly.

In addition or alternatively, referring now to Figure 21 4, by being with 29026, tissue thickness's compensating part 29020 is fixed to anvil block 25060.Band 29026 can comprise elastomer polymer and/or can around anvil block 25060 tying or knotting.When from anvil block 25060 taping 29026, tissue thickness's compensating part 29020 can be discharged from anvil block 25060.In order to be conducive to removing of band 29026, it such as can carry out stretching and/or cutting.According to the present invention, tissue thickness's compensating part 29020 can be fixed to anvil block 25060 by multiple band 29026.Alternatively or in addition, referring now to Figure 21 5, tissue thickness's compensating part 29020 is fixed to anvil block 25060 by the bearing sleeve 29028 by the distal end place being positioned at tissue thickness's compensating part 29020.Bearing sleeve 29028 can receive the distal end of such as anvil block 25060 wherein.Alignment edge 29029 on tissue thickness's compensating part 29020 can align with the longitudinal slit 25062 in anvil block 25060 and/or can be positioned in the longitudinal slit 25062 in anvil block 25060.Such as, when being positioned at by tissue thickness's compensating part 29020 on anvil block 25060 and/or when removing from anvil block 25060, alignment edge 29029 can slide in longitudinal slit 25062.

See Figure 21 6-218, tissue thickness's compensating part 30020 can be positioned on the anvil block 25060 of the end effector 12 of surgical instruments.Tissue thickness's compensating part 30020 can comprise main body 30022 and pit 30024.Such as, compensating part material 30026 can be remained between main body 30022 and pit 30024.Compensating part material 30026 can comprise can the polymer of bio-absorbable, such as lyophilizing polysaccharide, glycoprotein, elastin laminin, Dan Baiduotang proteoglycan PG, gelatin, collagen and/or oxidized regenerated cellulose (ORC).Or alternatively, compensating part material 30026 can comprise at least one therapeutic agent, such as pharmaceutically active agents or medicine in addition.Tissue thickness's compensating part 30020 can be deformable and/or elastic, and this is similar at least one tissue thickness's compensating part as herein described.Such as, tissue thickness's compensating part 30020 can comprise polymer composition, such as can the biocompatible elastomers polymer of bio-absorbable.Tissue thickness's compensating part 30020 also can comprise can the polymer of bio-absorbable, such as, and lyophilizing polysaccharide, glycoprotein, elastin laminin, Dan Baiduotang proteoglycan PG, gelatin, collagen and/or oxidized regenerated cellulose (ORC).

Main see Figure 21 7, the main body 30022 of tissue thickness's compensating part 30020 can comprise alignment element 30028, and described alignment element 30028 can be received in longitudinal slit 25062 of anvil block 25060 when tissue thickness's compensating part 30020 is fixed to anvil block 25060.Main body 30022 can comprise stepped thickness, makes the geometry of main body 30022 substantially corresponding to the geometry of anvil block 25060.In addition, main body 30022 can comprise longitudinal flange 30029.Such as, longitudinal flange 30029 can such as extend along each longitudinal side of the main body 30022 of tissue thickness's compensating part 30020.Longitudinal flange 30029 can hold anvil block 25060 at least in part so that tissue thickness's compensating part 30020 is fixed to anvil block 25060.In addition, such as, longitudinal flange 30029 can be fully elastic, makes longitudinal flange 30029 deflection to adapt to and/or to engage anvil block 25060.When flange 30029 engages anvil block 25060, longitudinal flange 30029 can apply clamping force to anvil block 25060.Pit 30024 can comprise indenture 30025.When tissue thickness's compensating part 30020 is fixed to anvil block 25060, indenture 30025 and longitudinal slit 25062 substantial alignment in anvil block 25060 such as can be made.Tissue thickness's compensating part 30020 can be thinner at indenture 30025 place, makes translation cutting element 25052 (Figure 20 7) cut off tissue thickness's compensating part 30020 in thinner position.

Referring now to Figure 21 9 and Figure 22 0, tissue thickness's compensating part 30120 can comprise main body 30122, and described main body 30122 can keep compensative material 30026 wherein.Tissue thickness's compensating part 30120 can comprise alignment element 30128, indenture 30125 and/or longitudinal flange 30129.Tissue thickness's compensating part 30120 also can comprise can the breech lock 30124 of movement between the open position and the closed position.When breech lock 30124 is in the close position, as shown in Figure 21 9, compensative material 30026 can be encapsulated in the main body 30122 of tissue thickness's compensating part 30120, and when breech lock 30124 is in an open position, as shown in Figure 22 0, compensative material 30026 can be overflowed from main body 30122.Be similar at least one in tissue thickness as herein described compensating part, tissue thickness's compensating part 30120 can be deformable and/or elastic.Such as, tissue thickness's compensating part 30120 can comprise polymer composition, such as can the biocompatible elastomers polymer of bio-absorbable.Tissue thickness's compensating part 30120 also can comprise can the polymer of bio-absorbable, such as, and lyophilizing polysaccharide, glycoprotein, elastin laminin, Dan Baiduotang proteoglycan PG, gelatin, collagen and/or oxidized regenerated cellulose (ORC).Due to the elasticity of tissue thickness's compensating part 30120, can the carrying out at least partially of main body 30122 bends breech lock 30124 is moved between the open and the closed positions.When removing anvil block from surgical site, the main body 30122 of tissue thickness's compensating part 30120 can keep being attached to anvil block.Such as, main body 30122 can tear to leave any nail wherein can catching main body 30122.

See Figure 22 1, tissue thickness's compensating part 30220 can comprise main body 30222 and pit 30224.Such as, compensating part material 30026 can be remained between main body 30222 and pit 30224.Tissue thickness's compensating part 30220 can comprise alignment element, indenture and/or longitudinal flange 30229.In addition, at least one longitudinal flange 30229 can comprise groove or slit 30228, and described groove or slit 30228 can receive the inserted sheet 30225 extended from the pit 30224 of tissue thickness's compensating part 30220.In this case, groove 30228 can be connected main body 30222 and pit 30224 with the joint of inserted sheet 30225.In addition, in this case, compensative material 30026 can be encapsulated and/or remain in tissue thickness's compensating part 30220 with the connection of inserted sheet 30025 by groove 30028.Referring now to Figure 22 2a, the pit 30324 of tissue thickness's compensating part 30320 can comprise the anchor log 30325 extended from it.In addition, tissue thickness's compensating part 30320 can comprise the main body 30322 with opening 30328.Anchor log 30325 can extend from pit 30324 with the opening 30328 engagement body 30322.In this configuration, pit 30324 and main body 30222 can encapsulate compensative material 30026 between the two.Tissue thickness's compensating part 30320 also can comprise one or more flange 30229, and described one or more flange 30229 can be installed to anvil block main body 30322 is remained to anvil block.

Referring now to Figure 22 3, tissue thickness's compensating part 30420 can comprise main body 30422 and pit 30424.Compensative material 30026 can be remained between the main body 30422 of tissue thickness's compensating part 30420 and pit 30424.Main body 30422 can comprise aperture 30428, and pit 30424 can comprise anchor log 30425.Such as, anchor log 30425 can extend from pit 30424 and through the aperture 30428 of main body 30422.Such as, when tissue thickness's compensating part 30420 is fixed to anvil block 25060, anchor log 30425 can engage anvil block 25060.Anchor log 30525 can be fully deformable and elastic, makes anchor log 30425 flexure when engaging anvil block 25060.In addition, the anchor log 30425 of flexure can apply clamping force to anvil block 25060 and be fixed to anvil block 25060 so that tissue thickness's compensating part 30420 is fixed or to be assisted.Alternatively, anchor log can not extend fully through the aperture in compensating part main body.See Figure 22 4, the anchor log 30525 on the pit 30524 of tissue thickness's compensating part 30520 can aperture 30528 in the main body 30522 of joining tissue thickness compensation part 30520.Anchor log 30525 can engages aperture 30528 so that pit 30524 is fixed to main body 30522.Such as, aperture 30528 can comprise the neck down portions extending to pod.Anchor log 30525 can comprise built-in edge, and described built-in edge can through neck down portions and engaging socket to be fixed on anchor log 20525 in aperture 30528.Such as, tissue thickness's compensating part 30520 also can comprise alignment element, indenture and/or longitudinal flange 30529.

See Figure 22 5-227, tissue thickness's compensating part 31020 can the anvil block 31060 of end effector 31012 of fusion surgery apparatus.The compensative material 31026 that tissue thickness's compensating part 31020 can comprise adventitia 31022, inner membrance 31024 and be positioned between the two.Tissue thickness's compensating part 31020 can be deformable and/or elastic, and this is similar at least one in tissue thickness as herein described compensating part.Such as, compensative material 31026 can comprise polymer composition, such as can thing absorb biocompatible elastomers polymer.Tissue thickness's compensating part 31020 also can comprise can the polymer of bio-absorbable, such as, and lyophilizing polysaccharide, glycoprotein, elastin laminin, Dan Baiduotang proteoglycan PG, gelatin, collagen and/or oxidized regenerated cellulose (ORC).Tissue thickness's compensating part 31020 can comprise at least one therapeutic agent, such as pharmaceutically active agents or medicine.The compensative material 31206 of tissue thickness's compensating part 31020 can comprise therapeutic agent.

Such as, inner membrance 31024 can be positioned to the nail shaping pit 31066 in contiguous anvil block 31060.Main see Figure 22 5, inner membrance 31024 can comprise stepped geometry, makes the geometry of inner membrance 31024 correspond essentially to the geometry of anvil block 31060.Inner membrance 31024 also can comprise alignment ridge 31028, described alignment ridge 31028 can such as with longitudinal slit 31062 substantial alignment in anvil block 31060 and/or parallel.As described in more detail, inner membrance 31024 can comprise and extending and the inward flange 31025 terminated at fastener 31027 from each longitudinal side of inner membrance 31024.Adventitia 31022 can comprise such as main body 31021 and at least one outward flange 31023.Optionally, such as, outward flange 31023 can extend from each longitudinal side of main body 31021.Outward flange 31023 can be fixed to inward flange 31025, compensative material 31026 is remained between adventitia 31022 and inner membrance 31024.

Main see Figure 22 7, anvil block 31060 can comprise outer surface 31061 and at least one groove 31064 at least partially along outer surface 31061.According to the present invention, the fastener 31027 on the inward flange 31025 of inner membrance 31024a can be positioned in groove 31064.See Figure 22 6, such as, tissue thickness's compensating part 31020 can slide around anvil block 31060.Groove 31064 on anvil block 31060 may extend into the distal end of anvil block 31060.In such cases, the fastener 31027 of tissue thickness's compensating part 31020 can in groove 31064 and along the running lengthwise of tissue thickness's compensating part 31020.

Referring now to Figure 22 8 and Figure 22 9, tissue thickness's compensating part 31120 can comprise compensative material 31026 and at least one connector 31124.Each connector 31124 can extend around compensative material 31026 and can terminate in fastener 31127 at its opposing end portions.The groove 31064 that fastener 31127 can be positioned at anvil block 31060 is interior so that tissue thickness's compensating part 31120 is fastened to anvil block 31060.Groove 31164 on anvil block 31060 may extend into the distal end of anvil block 31060.In such cases, the fastener 31127 of connector 31124 slidably arrives in groove 31064.Alternatively, connector 31224 can be elastic, and they can be bent and buckle around anvil block 31060.During use, compensative material 31026 can keep in position by connector 31224, until compensative material 31026 is separated with anvil block 31060.In some cases, connector 31224 can keep being attached to anvil block 31060 and can remove from surgical site together with anvil block.In some other cases, connector 31224 can be separated with anvil block 31060 and can be implanted together with compensative material 31026.

See Figure 23 0-236, tissue thickness's compensating part 32020 can comprise main part 32022, at least one longitudinal flange 32024 and at least one pit 32026.Tissue thickness's compensating part 31020 can be deformable and/or elastic, and this is similar at least one in tissue thickness as herein described compensating part.Such as, compensative material 31026 can comprise polymer composition, such as can thing absorb biocompatible elastomers polymer.Tissue thickness's compensating part 31020 also can comprise can the polymer of bio-absorbable, such as, and lyophilizing polysaccharide, glycoprotein, elastin laminin, Dan Baiduotang proteoglycan PG, gelatin, collagen and/or oxidized regenerated cellulose (ORC).Longitudinal flange 32024 can extend along each longitudinal side of main part 32022.Main see Figure 23 3, longitudinal flange 32024 of tissue thickness's compensating part 32020 can engage anvil block 25060.Such as, tissue thickness's compensating part 32020 slidably on anvil block 25060 and longitudinal flange 32024, and can hold a part for anvil block 25060 at least in part.In such cases, such as, tissue thickness's compensating part 32020 can be fixed to anvil block 25060 by flange 32024.Optionally, when tissue thickness's compensating part 32020 is fixed to anvil block, the main part 32022 of tissue thickness's compensating part 32020 can be overlapping with the nail shaping pit 25066 on anvil block 25060 surface.

To being described further above, multiple pit 32026 can laterally traverse main part 32022.Main see Figure 23 4, multiple pit 32026 can comprise at least one therapeutic agent, such as pharmaceutically active agents or medicine.According to the present invention, multiple first pit 32026a can comprise the first therapeutic agent or its combination, and multiple second pit 32026b can comprise the second therapeutic agent or its combination.First pit 32026a and the second pit 32026b can such as alternately position along main part 32022.In addition, when discharging the first therapeutic agent from the first pit 32026a and discharging the second therapeutic agent from the second pit 32026b, the first therapeutic agent and the second therapeutic agent can react each other.See Figure 23 6, such as, when the cutting element 25052 on trigger shaft 25050 is along longitudinal slit 25062 translation in anvil block 25060, pit 32026 can discharge the therapeutic agent remained on wherein.

Referring now to Figure 23 7, the end effector of surgery suturing appliance can comprise anvil block 32560 and have the nail bin 32500 of tissue thickness's compensating part 32520.To similar above, nail bin 32500 can comprise the multiple nails 32530 be accommodated therein at least in part, and described multiple nail 32530 can from nail bin injection with capture tissue thickness compensation part 32520 wherein.In addition to similar above, nail 32530 can penetrate tissue thickness compensation part 32520 and contact the nail shaping pit 32562 that is defined in anvil block 32560.Referring now to Figure 23 9, anvil block 32560 also can comprise the layer 32570 with its attachment, and tissue thickness's compensating part 32580 can be remained to anvil block 32560 by described layer 32570.Such as, layer 32570 can comprise charged layer, and described charged layer can keep and/or produces electrostatic charge and attract tissue thickness's compensating part 32580.More particularly, tissue thickness's compensating part 32580 such as can be remained to layer 32570 by Van der Waals molecular force (no matter initiatively activate or Passively activated).Charged layer 32570 can with the shank electric connection of surgery suturing appliance, described shank can comprise control piece, and described control piece can make charged layer 32570 and power supply optionally connect and therefore allow optionally to produce electrostatic charge in charged layer 32570.Such as, charged layer 32570 can comprise the conductive electrode be such as embedded in polymer.Under any circumstance, electrostatic layer 32570 can attract the granule of the oppositely charged in tissue thickness's compensating part 32580, and tissue thickness's compensating part 32580 is remained to anvil block.Referring now to Figure 23 8, charged layer 32570 can comprise grid or the grid of the conductor 32571 of electric connection each other.Such as, conductor can be located and be arranged so that they are around the nail shaping pit 32562 be defined in anvil block 32560.In such cases, nail 32530 can penetrate from nail bin 32500, is out of shape subsequently, and can not catches conductor 32571 wherein by anvil block 32560.In all cases, after nail 32530 engages with tissue thickness compensating part 32580, charged layer 32570 and power supply can be disconnected, can dissipate to make the electrostatic charge in layer 32570.In some other cases, just can be disconnected by come to make charged layer 32570 and the power supply of pulling the trigger at nail 32530.Under any circumstance, when electrostatic charge dissipates, anvil block 32560 can be reopened and layer 32570 can be moved away from tissue thickness's compensating part 32580.Electrostatic charge can need dissipate completely before layer 32570 can be separated from tissue thickness's compensating part 32580, and alternatively, layer 32570 can the electrostatic charge in layer 32570 dissipate completely before be separated from tissue thickness's compensating part 32580.Due to mentioned above, when not using chemical adhesive, tissue thickness's compensating part 32580 can be attached to anvil block 32560.

To being described further above, the shank that layer 32570 also can be surgery suturing appliance provides feedback capability.Such as, layer 32570 be can be pressure-sensitive and can be detected just to the clamping pressure that it applies by such as anvil block 32560.

To being described further above, tissue thickness's compensating part can be made up of biocompatible materials.Biocompatible materials (such as, foam) can comprise viscosifier, surfactant, filler, cross-linking agent, pigment, dyestuff, antioxidant and other stabilizing agent and/or their combination, thus provides required characteristic for material.Biocompatible foam can comprise surfactant.Surfactant can be administered to the surface of material and/or dispersible in material.Not by the constraint of any concrete theory, the surfactant being administered to biocompatible materials can reduce the surface tension of the fluid of contact material.Such as, surfactant can reduce the surface tension of the water of contact material, to promote that water permeation is in material.Water can serve as catalyst.Surfactant can increase the hydrophilic of material.

Surfactant can comprise anion surfactant, cationic surfactant and/or non-ionic surface active agent.Surface active agents includes but not limited to polyacrylic acid, methalose, methylcellulose, ethyl cellulose, propyl cellulose, hydroxyethyl-cellulose, carboxymethyl cellulose, polyoxyethylene cetyl base ether, polyoxyethylene lauryl ether, polyoxethylene octylphenyl ether, NONIN HS 240, polyoxyethylene oleyl ether, polyoxyethylene sorbitol monolaurate, polyoxyethylene stearyl base ether, ethylene nonyl phenyl ether, dialkyl group phenoxy group gathers (ethylene oxy) ethanol, poloxamer, and their combination.Surfactant can comprise the copolymer of Polyethylene Glycol and polypropylene glycol.Surfactant can comprise non-phospholipid surfactants.Non-phospholipid surfactants can provide antibacterial stability characteristic (quality), and/or can by other dispersion of materials in biocompatible materials.

Tissue thickness's compensating part can comprise at least one medicine.Tissue thickness's compensating part can comprise in natural material as herein described, non-synthetic materials and/or synthetic material one or more.Tissue thickness's compensating part can comprise biocompatible foam, and described biocompatible foam comprises gelatin, collagen, hyaluronic acid, oxidized regenerated cellulose, polyglycolic acid, polycaprolactone, polylactic acid, poly-dioxanone, polyhydroxy-alkanoates, poliglecaprone and their combination.Tissue thickness's compensating part can comprise the film containing at least one medicine.Tissue thickness's compensating part can comprise the biodegradable film containing at least one medicine.Medicine can comprise liquid, gel and/or powder.Medicine can comprise anticarcinogen, such as, and cisplatin, mitomycin and/or amycin.

Tissue thickness's compensating part can comprise biodegradation material, to provide controlled eluting or the release of at least one medicine when biodegradation material is degraded.When the agent of Biodegradable material contact activation (such as, activator fluid), Biodegradable material degradable, decomposable asymmetric choice net or loss structure integrity.Activator fluid can comprise such as saline solution or other electrolyte solution any.Biodegradable material carrys out contact activation agent fluid by routine techniques (include but not limited to spraying, dipping and/or brush).During use, such as, surgeon can be impregnated into comprising such as, in activator fluid (comprise saline solution, sodium chloride, calcium chloride and/or potassium chloride) containing the end effector of tissue thickness's compensating part of at least one medicine and/or nail bin.When tissue thickness's compensating part degraded, tissue thickness's compensating part releasable medicaments.Medicine can be characterized by initial eluting fast or rate of release and slower lasting eluting or rate of release from the eluting of tissue thickness's compensating part or release.

According to the present invention, tissue thickness's compensating part such as can be made up of biocompatible materials, and described biocompatible materials can comprise oxidant.Oxidant can be organic peroxide and/or inorganic peroxide.The example of oxidant can include but not limited to hydrogen peroxide, urea peroxide, calper calcium peroxide and Magnesium dioxide and SODIUM PERCARBONATE.Oxidant can comprise peroxy oxidant and hypochlorous acid base oxidant, such as, and hydrogen peroxide, hypochlorous acid, hypochlorite, hypocodites and percarbonate.Oxidant can comprise alkali metal chlorite, hypochlorite and perborate, such as, and chloritization sodium, sodium hypochlorite and Dexol.Oxidant can comprise vanadate.Oxidant can comprise ascorbic acid.Oxidant can comprise active oxygen product.According to the present invention, organization bracket can comprise the biocompatible materials containing oxidant.

Biocompatible materials can comprise liquid, gel and/or powder.Oxidant can comprise such as microgranule and/or nano-particle.Such as, oxidant can be ground to form microgranule and/or nano-particle.Be suspended in polymer solution by making oxidant and oxidant is incorporated in biocompatible materials.In lyophilized process, oxidant can be incorporated in biocompatible materials.After lyophilized, oxidant can be attached to the cell-wall of biocompatible materials, with contact time and tissue interaction.Oxidant not can be chemically bonded to biocompatible materials.Can percarbonate dry powder be embedded in biocompatible foam, to provide long-acting biological effect by the slow releasing of oxygen.Percarbonate dry powder can be embedded in has in the polymer fiber of non-woven structure, to provide long-acting biological effect by the slow releasing of oxygen.Biocompatible materials can comprise oxidant and medicine, such as, and doxycycline and ascorbic acid.

Biocompatible materials can comprise the oxidant of release and/or the oxidant of slower sustained release fast.Oxidant can be characterized by initial eluting fast or rate of release and slower lasting eluting or rate of release from the eluting of biocompatible materials or release.When oxidising agent body fluid (such as, water), oxidant can produce oxygen.The example of body fluid can include but not limited to blood, blood plasma, peritoneal fluid, cerebrospinal fluid, urine, lymph fluid, synovial fluid, vitreous humor, saliva, gastrointestinal cavity content and/or bile.Be not subject to the constraint of any concrete theory, oxidant can reduce cell death, enhancing organizational vitality and/or keep the mechanical strength of the tissue-tissue that can damage during cutting and/or stitching.

Biocompatible materials can comprise at least one microgranule and/or nano-particle.Biocompatible materials can comprise in natural material as herein described, non-synthetic materials and synthetic material one or more.Biocompatible materials can comprise and has about 10nm to about 100nm and/or the about 10 μm of granule of average diameter to about 100 μm (such as 45-50nm and/or 45-50 μm).Biocompatible materials can comprise biocompatible foam, and described biocompatible foam comprises embedding at least one microgranule wherein and/or nano-particle.Microgranule and/or nano-particle not can be chemically bonded to biocompatible materials.Microgranule and/or nano-particle can provide the controlled release of medicine.Microgranule and/or nano-particle can comprise at least one medicine.Microgranule and/or nano-particle can comprise such as hemorrhage, antimicrobial and/or oxidant.Tissue thickness's compensating part can comprise biocompatible foam, and described biocompatible foam comprises the hemorrhage containing oxidized regenerated cellulose, the antimicrobial containing doxycycline and/or gentamycin and/or the oxidant containing percarbant.Microgranule and/or nano-particle can provide such as the controlled drug of three days at the most to discharge.

Microgranule and/or nano-particle can be embedded in biocompatible materials during manufacture process.Such as, biocompatible polymer (such as, PGA/PCL) can solvent contact (such as, dioxane) to form mixture.Biocompatible polymer can carry out grinding to form granule.Containing or not containing ORC granule dried particles can contact mixture to form suspension.Can lyophilizing suspension to form biocompatible foam, described biocompatible foam comprises PGA/PCL, and described PGA/PCL has dried particles and/or embeds ORC granule wherein.

Tissue thickness disclosed herein compensating part or layer can be made up of such as absorbable polymer.Tissue thickness's compensating part can be made up of such as following material: foam, film, fiber weaving thing, fiber non-woven thing PGA, PGA/PCL (poly-(glycolic-altogether-caprolactone)), PLA/PCL (poly-(lactic acid-altogether-polycaprolactone)), PLLA/PCL, PGA/TMC (poly-(glycolic-altogether-trimethylene carbonate)), PDS, PEPBO, or other absorbable polyurethane, polyester, Merlon, poe, polyanhydride, polyesteramide, and/or poly-esters of oxyacids.According to the present invention, tissue thickness's compensating part is made up of such as PGA/PLA (poly-(glycolic-altogether-lactic acid)) and/or PDS/PLA (poly-(p-dioxanone-altogether-lactic acid)).According to the present invention, tissue thickness's compensating part can be made up of such as organic material.Tissue thickness's compensating part can be made up of such as carboxymethyl cellulose, sodium alginate, cross-linked-hyaluronic acid and/or oxidized regenerated cellulose.According to the present invention, tissue thickness's compensating part can comprise the durometer in such as 3-7 Xiao A hardness (30-50 Shore OO hardness) scope, and wherein maximum rigidity is 15 Xiao A hardness (65 Shore OO hardness).Can be there is the compression of 40% in tissue thickness's compensating part, the compression of 60% can occur under 6lbf load under 3lbf load, and/or the compression of 80% can occur under 20lbf load.One or more gases (such as, air, nitrogen, carbon dioxide and/or oxygen) can be blasted in tissue thickness's compensating part and/or can be contained in tissue thickness's compensating part.Tissue thickness's compensating part can comprise granule wherein, and described granule can account for about 50% of the material hardness forming tissue thickness's compensating part to being greater than 75%.

According to the present invention, tissue thickness's compensating part can comprise such as hyaluronic acid, nutrient, fibrin, thrombin, is rich in hematoblastic blood plasma, sulfasalazine ( – 5ASA+ sulfapyridine azo bond)) – Qian body Yao Wu – colon bacteria (azo reductase), aminosalicylic acid (having for delaying the 5ASA of different prodrug structures discharged), (5ASA+ acrylic resin-S is coated with – pH>7 (coating dissolution)), (5ASA+ ethyl cellulose coating – time/pH dependent sustained release), (5ASA+ acrylic resin-L is coated with – pH>6), Olsalazine (5ASA+5ASA – colon bacteria (azo reductase)), balsalazide (5ASA+4 amino benzoyl-B-alanine)-colon bacteria (azo reductase)), granular aminosalicylic acid, Lialda (slow release of aminosalicylic acid and SR preparation), HMPL-004 (can forbid TNF-α, Interleukin-1β, with the herbal mixture that core-κ B activates), CCX282-B (interference T lymphocyte is transported to the oral chemokine receptor anagonists in intestinal mucosa), rifaximin (broad ectrum antibiotic of nonabsorable), infliximab, (in the monoclonal antibody of TNF-α, described TNF-α is checked and approved for reducing sign/symptom targeting murine chymieric, keep/the clinical remission of child patient of growing up taking moderate/severe amount phenobarbital, and to the sick fistulation of the Crohn of insufficient reaction conventional therapy), adalimumab, human IgG1's (anti-TNF-alpha monoclonal antibodies-by sign/symptom of checking and approving for reducing Crohn disease and can be used for reducing and keep suffering from the active Crohn of the moderate of insufficient reaction conventional therapy/severe sick or do not tolerate the clinical remission of adult patients of infliximab), Certolizumab pegoll, the anti-TNF FAB ' of peopleization (be linked to the monoclonal antibody fragment of Polyethylene Glycol-by sign/symptom of checking and approving for reducing Crohn disease and can be used for reducing and keep to suffer from the reaction of the adult patients of the moderate/severe disease of insufficient reaction conventional therapy), natalizumab, first non-TNF-alpha inhibitor (by checking and approving the biologic artifact being used for Crohn disease), the monoclonal IgG4 antibody of peopleization (targeting in α-4 integrin-checked and approved for inducing and keeping suffering from moderate/severe disease of there is inflammatory signs and insufficient reaction maybe can not tolerate conventional Crohn treats and the clinical response of patient of TNF-alpha inhibitor and alleviation by FDA), may the concomitant immunity modulator of administration together with infliximab), azathioprine-6-MP (purine synthetic inhibitor-prodrug), (in conjunction with dihydrofolate reduction (DHFR) enzyme, it participates in tetrahydrofolic acid Lipase absobed to methotrexate, suppress all purine synthetics), allopurinol and azathioprine treatment, PPI, the H2 to protect healing line is suppressed for acid, C-Diff – Flagyl, vancomycin (feces transposition process, probiotics, breeding again of normal intracavity flora) and/or the rifaximin (treatment (significantly hepatic encephalopathy) of bacterial overgrowth, not by gastrointestinal absorption and do not act on antibacterial in tube chamber).

As described herein, tissue thickness's compensating part such as can compensate the change of tissue thickness, and described tissue is trapped in the nail of nail bin injection and/or is accommodated in nail line.In other words, some nail in nail line can the thicker of capture tissue divide, and follows closely other nail in line and can the thinner of capture tissue divide.In such cases, tissue thickness's compensating part can present different height or thickness in nail, and compression stress can be applied to the tissue be captured in nail, and organizing of no matter catching is thick or thin.According to the present invention, tissue thickness's compensating part can compensate the change organizing hardness.Such as, some nail in nail line can the high compression part of capture tissue, and follow closely other nail in line can the comparatively low compression part of capture tissue.In such cases, tissue thickness's compensating part such as can present less height catching in the nail had compared with the tissue of little compressible or higher hardness, and accordingly, present larger height catching to have in higher compression ratio or the nail compared with the tissue of soft.Under any circumstance, no matter whether tissue thickness's compensating part such as compensate and organize varied in thickness and/or organize firmness change all to can be described as such as " tissue compensating part " and/or " compensating part ".

Can be namely process apparatus design disclosed in this invention after single uses, or they can be designed to can repeatedly use.But in any one situation, described device all can be repaired, to reuse after using at least one times.Again the combination in any that can comprise the steps is recovered: dismantle this device, then clean or replace some part and assemble subsequently.Particularly, described device can be dismantled, and combination in any can optionally replace or remove specific component or the part of this device arbitrary number.Cleaning and/or replace after specific part, this device can re-assembly to use subsequently at restoration facilities place, or is re-assemblied by surgical team before being about to carry out surgical operation.One skilled in the art will appreciate that the reparation of device can utilize the multiple technology for dismantling, cleaning/replace and re-assembly.The use of these technology and the prosthetic device of gained are all within the scope of the invention.

Preferably, the present invention as herein described will be processed before surgery.First, obtain new or with the device crossed, and where necessary device is cleaned.Then device is carried out disinfection.In a kind of disinfection technology, this device is placed in and closes and the container sealed, such as, in plastics or TYVEK bag.Then container and device are placed in the radiation area that can penetrate this container, such as gamma-radiation, x-ray or high energy electron.Antibacterial on device and in container kills by radiation.Then the device after sterilizing is kept in disinfecting container.Apparatus is kept aseptic by sealing container, until open this container in armarium.

With way of reference in full or be partly incorporated to open or other the open material of any patent herein, patent and all only with in existing definition of the present invention, statement or the afoul scope of other open material be not incorporated to herein at be incorporated to material.Thus, under the degree of necessity, the disclosure clearly set forth herein will replace any afoul material be incorporated herein by reference.If according to state be incorporated herein by reference but with existing definition as herein described, statement or the afoul any material of other open material or its part, be incorporated to herein under only not producing the degree of conflict between be incorporated to material and existing open material.

Although by the present invention exemplarily property design be described, in spirit and scope of the present disclosure, other amendment can also be carried out to the present invention.Therefore present patent application is intended to contain any modification, purposes or the adaptive version that adopt its general principles.In addition, present patent application be intended to contain in field belonging to the present invention come from known or used have deviate from pattern of the present disclosure in practical framework.

Claims

Compensating part package, described compensating part package comprises:

Ground floor, described ground floor comprises tissue contacting surface;

2. compensating part according to claim 1, also comprises the medicine in the array being stored in described capillary channel.

3., according to compensating part according to claim 1 or claim 2, also comprise the medicine be stored in the middle of described ground floor and the described second layer.

4., according to compensating part in any one of the preceding claims wherein, the wherein said second layer also comprises the second array of capillary channel, and wherein said medicine is positioned in the second array of described capillary channel.

5., according to compensating part in any one of the preceding claims wherein, the array of wherein said capillary channel and/or the second array of described capillary channel comprise crosshatch pattern.

6. the compensating part according to any one of claim 1-4, wherein said compensating part package also comprises inside and outward flange, and the array of wherein said capillary channel is included in the parallel channels extended between described inside and described outward flange.

7., according to compensating part in any one of the preceding claims wherein, wherein said attachment part also comprises the slit that can extend in described anvil block.

8. compensating part according to claim 7, at least some in wherein said capillary channel leads to described slit.

9. the compensating part according to any one of aforementioned claim 1, wherein said ground floor is made up of the first material, and the wherein said second layer is made up of the second material, and wherein said first material is different from described second material.

10. according to compensating part in any one of the preceding claims wherein, also comprise be limited to well in the middle of described ground floor and the described second layer recessed and be positioned at described well recessed in medicine.

11. compensating parts according to claim 10, each during wherein said well is recessed comprises opening.

Second compensating part, described second compensating part is attached to described nail bin, wherein said second compensating part comprises the medicine be stored in wherein, and the one in wherein said anvil block and described nail bin can be moved towards another one, to contact with described second compensating part so that described first compensating part is placed to and described first compensating part will be transferred to from described second compensating part at least partially in described medicine.

13. suturing assemblies according to claim 12, wherein said first compensating part can absorb described medicine.

14. according to claim 12 or suturing assembly according to claim 13, and the array of wherein said passage can keep described medicine.

15. suturing assemblies according to any one of claim 12-14, wherein said first compensating part comprises the ground floor of the array with described capillary channel and is attached to the second layer of described ground floor.

17. compensating parts according to claim 16, wherein said compensating part main body comprises ground floor and is attached to the second layer of described ground floor.

18. compensating parts according to claim 17, also comprise the medicine be stored in the middle of described ground floor and the described second layer.

19. according to claim 17 or compensating part according to claim 18, and the wherein said second layer also comprises the second array of capillary channel, and wherein said second medicine is positioned in the second array of described capillary channel.

20. compensating parts according to any one of claim 16-19, the array of wherein said capillary channel and/or the second array of described capillary channel comprise crosshatch pattern.