CN103169514A - Clamping hook of surgery linear cutting anastomat - Google Patents
Clamping hook of surgery linear cutting anastomat Download PDFInfo
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- CN103169514A CN103169514A CN2011104334718A CN201110433471A CN103169514A CN 103169514 A CN103169514 A CN 103169514A CN 2011104334718 A CN2011104334718 A CN 2011104334718A CN 201110433471 A CN201110433471 A CN 201110433471A CN 103169514 A CN103169514 A CN 103169514A
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- nail
- nail bin
- frame
- hook
- anvil
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
Abstract
A clamping hook of a surgery linear cutting anastomat achieves that when a nail container assembly and a nail anvil assembly are clamped by the clamping hook, relevant portions among the nail container assembly, the nail anvil assembly and the clamping hook contact in a cambered mode, produced elastic deformation does not cause oversize gaps of far end portions, and an anastomosis nail is guaranteed to be correctly bent and formed; the clamping hook can control the nail container assembly and the nail anvil assembly to produce to-be-anastomosed tissue loosening motion, to-be-anastomosed tissue holding motion and to-be-anastomosed tissue clamping motion, and operation procedures are conveniently conducted; a baffle on the nail container frame blocks a door-shaped gap of an outer shell far end of the clamping hook, the door-shaped gap of the outer shell of the clamping hook does not hurt the to-be-anastomosed tissue, and operation procedures are enabled to be safe.
Description
Technical field
The present invention relates to the clamp hook of various surgical linear Endo-GIAs.
Background technology
Various surgical linear Endo-GIAs are used for replacing surgical operation to adopt the free-hand identical operation of needlework, be widely used in the operations such as the end end of human body alimentary canal organ, respiratory tract organ and apparatus urogenitalis official rank Organ and tissue, distolateral and side to side anastomosis, form the operation of passage and the operation of close incisions, be specially adapted to appear the anastomosis operation with the Organ and tissue of operating difficulties, can reduce operating time, improve the operation quality.
Various surgical linear Endo-GIAs introducing in United States Patent (USP) publicity 20050222616,20080116244,20090308909 and 20110068145 are comprised of nail bin groupware, nail-anvil assembly and clamp hook.Nail bin is arranged in nail bin groupware, the nail bin frame of nail bin is installed and is arranged on the interior firing lock of nail bin frame.Firing lock is tiltedly carved with cutter by push button, slide block, push rod, ejector pin and is formed.It is linear that nail bin is, can be both rectilinear, also can be curved.Ejector pin piece and anastomosis staple are installed in nail bin.Be staggered to two rows' above (comprising two rows) in the online staple of a plurality of anastomosis staples storehouse.Nail anvil and nail anvil frame are arranged in nail-anvil assembly.Nail anvil can be made one with the nail anvil frame.It is linear that nail anvil is, can be both rectilinear, also can be curved.Be arranged with the anastomosis staple grooving corresponding with the anastomosis staple position in nail bin on the surface of nail anvil.Be staggered to two rows' above (comprising two rows) on the surface of the online staple anvil of a plurality of anastomosis staple groovings.After nail bin groupware and nail-anvil assembly close up mutually, clamp hook is rotated around nail bin frame pivot, make the plane on the hook of clamp hook hook the round bump at nail anvil frame middle part, the plane briquetting that drives on the nail bin frame is pressed on the round bump of nail anvil frame near-end, makes the clamped hook of nail bin groupware and nail-anvil assembly clamp.The ejector pin piece is released anastomosis staple in nail bin, the nail tip of anastomosis staple is pressed on the grooving of nail anvil, makes two nail lower limbs of anastomosis staple along the grooving bending forming, reaches the operation purpose of will tissue coincideing.the unsatisfactory place of the clamp hook of the surgical linear Endo-GIA of this style is: first, when nail bin groupware and the clamped hook clamping of nail-anvil assembly, the hook of clamp hook hooks the round bump at nail anvil frame middle part with the plane, plane briquetting on the nail bin frame is pressed on the round bump of nail anvil frame near-end, both be the line contact, be easy to produce strain when stressed, the position that clamps the tissue of waiting to coincide due to nail bin groupware and nail-anvil assembly is the long cantilever girder construction, therefore when clamping force is larger, the strain that produces can cause that nail bin groupware and nail-anvil assembly clamp the gap increasing of the distal site for the treatment of identical tissue, thereby cause correctly bending forming of anastomosis staple, can't reach the correct operation purpose of coincideing of tissue, second, often need interim clamping to wait the action that coincide and organize in operation technique, whether identical tissue site is suitable so that operative doctor can be observed treating of being pressed from both sides, perhaps first complete some auxiliary operations and carry out again the operation that cutting coincide and organizes, but the clamp hook of the surgical linear Endo-GIA of this style only can be controlled the generation of nail bin groupware and nail-anvil assembly and unclamps and clamp these two actions for the treatment of identical tissue, thereby brings inconvenience to operation technique, the 3rd, when opening and clamp nail bin groupware and nail-anvil assembly, clamp hook rotates around nail bin frame pivot, at the shell far-end of clamp hook, door v notch v on the nail bin frame need to be arranged, due to the door v notch v of the shell of clamp hook near waiting the tissue that coincide, therefore be easy to crush and wait the tissue that coincide, also be easy to affect clamp hook and rotate around nail bin frame pivot.Therefore the clamp hook of surgical linear Endo-GIA also need improve.
Obviously can be found out by above-mentioned, a large amount of not in specie surgical staplings have been designed now, and the development work of the clamp hook of new surgical stapling is still continuing, so that the surgical stapling that used in a large number every year in the world is improved further, reach operation purpose easy to use, that organization security is reliably coincide.
Summary of the invention
The object of the invention is to propose a kind of clamp hook of surgical linear Endo-GIA, realize when nail bin groupware and the clamped hook clamping of nail-anvil assembly, contact for face between the round bump at the hook of clamp hook and nail anvil frame middle part, the curved surface of the briquetting on the nail bin frame also contacts for face with the curved surface of nail anvil frame nearside projection, be not easy to produce strain when stressed, and be in contact with one another between curved surface and curved surface and also have positioning action.Therefore, when clamping force was larger, the strain that produces can not cause that nail bin groupware and nail-anvil assembly clamp the excesssive gap of the distal site for the treatment of identical tissue, thereby can guarantee the correct bending forming of anastomosis staple, and reaching will the correct operation purpose of coincideing of tissue.
another object of the present invention is to propose a kind of clamp hook of surgical linear Endo-GIA, realize that clamp hook can be controlled nail bin groupware and the nail-anvil assembly generation is unclamped, clamping and clamping wait to coincide three actions of tissue, and, unclamp in switching, clamping and when clamping three actions wait the tissue that coincide, constantly change the resistance of clamp hook rotation and sound, reach the result of use by the variation of feel and sound double-reminding operator's clamp hook position, thereby be convenient to implement the action that identical tissue is treated in interim clamping in operation technique, so that operative doctor can observe waiting of being pressed from both sides coincide tissue site and thickness whether suitable, perhaps first complete some auxiliary operations and carry out again the operation that cutting coincide and organizes, make operation technique more convenient.
Another purpose of the present invention is to propose a kind of clamp hook of surgical linear Endo-GIA, realize that the baffle plate on the nail bin frame is inserted in the door v notch v of the shell far-end on clamp hook, like this, when clamp hook when nail bin frame pivot rotates to open and clamps nail bin groupware and nail-anvil assembly, block the door v notch v of the shell far-end on clamp hook due to the baffle plate on the nail bin frame, make the door v notch v of the shell of clamp hook can not crush and wait to coincide tissue, can not affect clamp hook yet and rotate around nail bin frame pivot, thereby make operation technique safer.
At present, known surgical linear Endo-GIA is comprised of nail bin groupware, nail-anvil assembly and clamp hook.
Nail bin is arranged in nail bin groupware, the nail bin frame of nail bin is installed and is arranged on the interior firing lock of nail bin frame.Firing lock is tiltedly carved with cutter by push button, slide block, push rod, ejector pin and is formed.It is linear that nail bin is, can be both rectilinear, also can be curved.Ejector pin piece and anastomosis staple are installed in nail bin.Be staggered to two rows' above (comprising two rows) in the online staple of a plurality of anastomosis staples storehouse.Pivot and briquetting are arranged on the nail bin frame.
Nail anvil and nail anvil frame are arranged in nail-anvil assembly.Nail anvil can be made one with the nail anvil frame.It is linear that nail anvil is, can be both rectilinear, also can be curved.Be arranged with the anastomosis staple grooving corresponding with the anastomosis staple position in nail bin on the surface of nail anvil.Be staggered to two rows' above (comprising two rows) on the surface of the online staple anvil of a plurality of anastomosis staple groovings.Nearside projection and middle part projection are arranged on the nail anvil frame.
Pivot hole and hook are arranged, the pivot hole of clamp hook and nail bin frame pivotally connected on clamp hook.
After nail bin groupware and nail-anvil assembly close up mutually, clamp hook is rotated around nail bin frame pivot, make hook on clamp hook hook middle part projection on the nail anvil frame, drive briquetting on the nail bin frame and be pressed on nearside projection on the nail anvil frame, make the clamped hook clamping of nail bin groupware and nail-anvil assembly.
Task of the present invention is achieved through the following technical solutions:
On the clamp hook of surgical linear Endo-GIA of the present invention with curved surface, on the middle part projection on the nail anvil frame with the curved surface that matches with curved surface on clamp hook.After nail bin groupware and nail-anvil assembly close up mutually, clamp hook is rotated around nail bin frame pivot, make curved surface on the hook of clamp hook hook curved surface on middle part projection on the nail anvil frame, drive briquetting on the nail bin frame and be pressed on nearside projection on the nail anvil frame, make the clamped hook clamping of nail bin groupware and nail-anvil assembly.
Curved surface on middle part projection on the nail anvil frame can be the face of cylinder, the curved surface on the hook of clamp hook can for the nail anvil frame on the middle part projection on the face of cylinder of matching, the face of cylinder.
On briquetting on the nail bin frame, curved surface can be arranged, can have on the nearside projection on the nail anvil frame with the nail bin frame on briquetting on the curved surface that matches of curved surface.When nail bin groupware and the clamped hook of nail-anvil assembly clamped, the curved surface on the briquetting on the nail bin frame was pressed on curved surface on nearside projection on the nail anvil frame, makes the clamped hook clamping of nail bin groupware and nail-anvil assembly.Curved surface on briquetting on the nail bin frame can be the face of cylinder, and the curved surface on the nearside projection on the nail anvil frame can be the face of cylinder.
Like this, when nail bin groupware and the clamped hook clamping of nail-anvil assembly, contact for face between the round bump at the hook of clamp hook and nail anvil frame middle part, the curved surface of the briquetting on the nail bin frame also contacts for face with the curved surface of nail anvil frame nearside projection, be not easy to produce strain when stressed, and be in contact with one another between curved surface and curved surface and also have positioning action.Therefore, when clamping force was larger, the strain that produces can not cause that nail bin groupware and nail-anvil assembly clamp the excesssive gap of the distal site for the treatment of identical tissue, thereby can guarantee the correct bending forming of anastomosis staple, and reaching will the correct operation purpose of coincideing of tissue.
Have on the side of the clamp hook of surgical linear Endo-GIA of the present invention be distributed in clamp hook on the concentric circumference of pivot hole on the hole.Have on the side of nail bin frame be positioned at the nail bin frame on the concentric circumference of pivot on elastic projection.Can have on the side of clamp hook three be distributed in clamp hook on the concentric circumference of pivot hole on the hole.When nail bin groupware and nail-anvil assembly were in open configuration, the elastic projection on the side of nail bin frame sprang into the hole that is positioned on the side of clamp hook than the lower end.When nail bin groupware and nail-anvil assembly were in clamp position, the elastic projection on the side of nail bin frame sprang into the hole that is positioned at the middle part on the side of clamp hook.When nail bin groupware and nail-anvil assembly were in clamped condition, the elastic projection on the side of nail bin frame sprang into the hole that is positioned on the side of clamp hook than the upper end.
The far-end of the hook of clamp hook can have the lip limit of inclination.When being positioned at the hole at middle part on the elastic projection on the side of nail bin frame springs into the side of clamp hook, the lip limit of the inclination of the far-end of the hook of clamp hook leans on the middle part projection on the nail anvil frame, keeps nail bin groupware and nail-anvil assembly to be in clamp position.
The near-end of nail anvil frame can have fan groove.The kidney-shaped key is installed in the fan groove of nail anvil frame, and the kidney-shaped key can swing in fan groove.The near-end of nail bin frame has fork.When nail bin groupware and nail-anvil assembly closed up mutually, the fork of nail bin frame was inserted on the kidney-shaped key of nail anvil frame.When nail bin groupware and nail-anvil assembly change between open configuration, clamp position and clamped condition, the fork that is inserted in the nail bin frame on the kidney-shaped key of nail anvil frame drives the kidney-shaped key and swings in fan groove, helps nail bin groupware and nail-anvil assembly are constrained in open configuration or clamp position.
like this, clamp hook can control nail bin groupware and the nail-anvil assembly generation is unclamped, clamping and clamping wait to coincide three actions of tissue, and, unclamp in switching, clamping and when clamping three actions wait the tissue that coincide, constantly change the resistance of clamp hook rotation and sound, reach the result of use by the variation of feel and sound double-reminding operator's clamp hook position, thereby be convenient to implement the action that identical tissue is treated in interim clamping in operation technique, so that operative doctor can observe waiting of being pressed from both sides coincide tissue site and thickness whether suitable, perhaps first complete some auxiliary operations and carry out again the operation that cutting coincide and organizes, make operation technique more convenient.
On the nail bin frame of surgical linear Endo-GIA of the present invention, baffle plate is arranged, shell is arranged on clamp hook, the baffle plate on the nail bin frame is inserted in the door v notch v of the shell far-end on clamp hook.
Like this, baffle plate on the nail bin frame is inserted in the door v notch v of the shell far-end on clamp hook, when clamp hook when nail bin frame pivot rotates to open and clamps nail bin groupware and nail-anvil assembly, block the door v notch v of the shell far-end on clamp hook due to the baffle plate on the nail bin frame, make the door v notch v of the shell of clamp hook can not crush and wait to coincide tissue, can not affect clamp hook yet and rotate around nail bin frame pivot, thereby make operation technique safer.
Description of drawings
Fig. 1 means the outside drawing of surgical linear Endo-GIA of the present invention when nail bin groupware and nail-anvil assembly are in open configuration;
The outside drawing of the surgical linear Endo-GIA that Fig. 2 means Fig. 1 when nail bin groupware and nail-anvil assembly are in clamp position;
The outside drawing of the surgical linear Endo-GIA that Fig. 3 means Fig. 1 when nail bin groupware and nail-anvil assembly are in thicker clamped condition;
Fig. 4 means the outside drawing after the surgical linear Endo-GIA of Fig. 1 is removed shell;
Fig. 5 means the outside drawing after the surgical linear Endo-GIA of Fig. 2 is removed shell;
Fig. 6 means the outside drawing after the surgical linear Endo-GIA of Fig. 3 is removed shell;
Fig. 7 means the outside drawing of the nail bin groupware of surgical linear Endo-GIA of the present invention;
Fig. 8 means the outside drawing of the clamp hook of surgical linear Endo-GIA of the present invention;
Fig. 9 means the outside drawing after the clamp hook of Fig. 8 is removed shell;
Figure 10 means the part amplification outside drawing of the clamp hook of Fig. 9;
Figure 11 means the front view after the nail anvil frame of surgical linear Endo-GIA of the present invention is removed adnexa;
Figure 12 means the amplification outside drawing of the kidney-shaped key that is arranged on the nail anvil frame;
Figure 13 means the outside drawing of the nail-anvil assembly of surgical linear Endo-GIA of the present invention;
Figure 14 means the outside drawing after the nail-anvil assembly of Figure 13 is removed shell.
The specific embodiment
The below uses way of example, states by reference to the accompanying drawings the most preferred embodiment of the clamp hook of surgical linear Endo-GIA of the present invention.Scope of the present invention will be pointed out in the claims.Will be appreciated that some or all accompanying drawing is all for the explanation sketch of most preferred embodiment of the present invention is described, and the full-size(d) of part shown in not depicting.With reference to being described in detail of most preferred embodiment, understand with will be more readily apparent from reach the present invention above-mentioned with practical ways other objects and advantages.
As shown in Figure 1, direction 1 expression is near, and direction 2 expressions are far away, and direction 3 expressions are left, and direction 4 expressions are right, in direction 5 expressions, under direction 6 expressions.Direction 1 and direction 2 form the vertical of surgical linear Endo-GIA, and direction 3 and direction 4 form the horizontal of surgical linear Endo-GIAs, and direction 5 and direction 6 form the arrowhead of surgical linear Endo-GIAs.
Below in conjunction with Fig. 1 to Figure 14, shape and the structure of the clamp hook of surgical linear Endo-GIA of the present invention are described, the effect of clamp hook is described.
Surgical linear Endo-GIA 7 is comprised of nail bin groupware 8, nail-anvil assembly 9 and clamp hook 10.To shown in Figure 6, surgical linear Endo-GIA 7 is in respectively open configuration, clamp position and clamped condition as Fig. 1.
As shown in Figure 7, have in nail bin groupware 8 nail bin 11, the nail bin frame 12 of nail bin 11 is installed and is arranged on firing lock 13 in nail bin frame 12.Ejector pin piece (not shown) and anastomosis staple (not shown) are installed in nail bin 11.A plurality of anastomosis staples respectively are staggered to two rows in the both sides of nail bin cutter groove 14.Pivot 15 and briquetting 16 are arranged on nail bin frame 12.
To shown in Figure 14, nail anvil 17 and nail anvil frame 18 are arranged in nail-anvil assembly 9 as Figure 11.Be arranged with the anastomosis staple grooving 19 corresponding with the anastomosis staple position in nail bin 11 on the surface of nail anvil 17.A plurality of anastomosis staple groovings 19 respectively are staggered to two rows on the both side surface of nail anvil cutter groove 20.Nearside projection 21 and middle part projection 22 are arranged on nail anvil frame 18.
To shown in Figure 10, pivot hole 23 and hook 24 are arranged on clamp hook 10 as Fig. 8.To shown in Figure 6, the pivot hole 23 of clamp hook 10 is connected with the pivot 15 of nail bin frame 12 as Fig. 4.
As Fig. 1 to shown in Figure 6, on the hook 24 of clamp hook 10 with curved surface 25.On briquetting 16 on nail bin frame 12, curved surface 26 is arranged.On middle part projection 22 on nail anvil frame 18 with the curved surface 27 that matches with curved surface 25 on clamp hook 10, have on the nearside projection 21 on nail anvil frame 18 with nail bin frame 12 on briquetting 16 on the curved surface 28 that matches of curved surface 26.After nail bin groupware 8 and nail-anvil assembly 9 close up mutually, clamp hook 10 is rotated around nail bin frame 12 pivots 15, make curved surface 25 on the hook 24 of clamp hook 10 hook curved surface 27 on middle part projection 22 on nail anvil frame 18, drive curved surface 26 on the briquetting 16 on nail bin frame 12 and be pressed on curved surface 28 on nearside projection 21 on nail anvil frame 18, make the clamped hook 10 of nail bin groupware 8 and nail-anvil assembly 9 clamp.
As Fig. 4 to shown in Figure 6, have on the side of clamp hook 10 three be distributed in clamp hook 10 on the concentric circumference of pivot hole 23 on hole 29,30 and 31.Have on the side of nail bin frame 12 be positioned at nail bin frame 12 on the concentric circumference of pivot 15 on elastic projection 32.When nail bin groupware 8 and nail-anvil assembly 9 were in open configuration, the elastic projection 32 on the side of nail bin frame 12 sprang into the hole 31 that is positioned on the side of clamp hook 10 than the lower end.When nail bin groupware 8 and nail-anvil assembly 9 were in clamp position, the elastic projection 32 on the side of nail bin frame 12 sprang into the hole 30 that is positioned at the middle part on the side of clamp hook 10.When nail bin groupware 8 and nail-anvil assembly 9 were in clamped condition, the elastic projection 32 on the side of nail bin frame 12 sprang into the hole 29 that is positioned on the side of clamp hook 10 than the upper end.
The far-end of the hook 24 of clamp hook 10 has the lip limit 33 of inclination.When being positioned at the hole 30 at middle part on the elastic projection 32 on the side of nail bin frame 12 springs into the side of clamp hook 10, the lip limit 33 of the inclination of the far-end of the hook 24 of clamp hook 10 leans on the middle part projection 22 on nail anvil frame 18, keeps nail bin groupware 8 and nail-anvil assembly 9 to be in clamp position.
The near-end of nail anvil frame 18 has fan groove 34 (seeing Figure 11).Kidney-shaped key 35 (seeing Figure 12) is installed in the fan groove 34 of nail anvil frame 18.Kidney-shaped key 35 can be in the interior swing of fan groove 34 (seeing Figure 14).The near-end of nail bin frame 12 has fork 36.When nail bin groupware 8 and nail-anvil assembly 9 closed up mutually, the fork 36 of nail bin frame 12 was inserted on the kidney-shaped key 35 of nail anvil frame 18.When nail bin groupware 8 and nail-anvil assembly 9 change between open configuration, clamp position and clamped condition, the fork 36 that is inserted in the nail bin frame 12 on the kidney-shaped key 35 of nail anvil frame 18 drives kidney-shaped keys 35 in the interior swing of fan groove 34, helps nail bin groupware 8 and nail-anvil assembly 9 are constrained in open configuration or clamp position.
As Fig. 1 to Fig. 3, Fig. 7 and shown in Figure 8, baffle plate 37 is arranged on nail bin frame 12.Shell 38 is arranged on clamp hook 10.Baffle plate 37 on nail bin frame 12 is inserted in the door v notch v 39 of shell 38 far-ends on clamp hook 10.
According to above-mentioned detailed introduction as can be known, compare with existing various surgical linear Endo-GIAs, the clamp hook of surgical linear Endo-GIA of the present invention has following technique effect:
the unsatisfactory place of existing surgical linear Endo-GIA is: first, when nail bin groupware and the clamped hook clamping of nail-anvil assembly, the hook of clamp hook hooks the round bump at nail anvil frame middle part with the plane, plane briquetting on the nail bin frame is pressed on the round bump of nail anvil frame near-end, both be the line contact, be easy to produce strain when stressed, the position that clamps the tissue of waiting to coincide due to nail bin groupware and nail-anvil assembly is the long cantilever girder construction, therefore when clamping force is larger, the strain that produces can cause that nail bin groupware and nail-anvil assembly clamp the gap increasing of the distal site for the treatment of identical tissue, thereby cause correctly bending forming of anastomosis staple, can't reach the correct operation purpose of coincideing of tissue, second, often need interim clamping to wait the action that coincide and organize in operation technique, whether identical tissue site is suitable so that operative doctor can be observed treating of being pressed from both sides, perhaps first complete some auxiliary operations and carry out again the operation that cutting coincide and organizes, but the clamp hook of the surgical linear Endo-GIA of this style only can be controlled the generation of nail bin groupware and nail-anvil assembly and unclamps and clamp these two actions for the treatment of identical tissue, thereby brings inconvenience to operation technique, the 3rd, when opening and clamp nail bin groupware and nail-anvil assembly, clamp hook rotates around nail bin frame pivot, at the shell far-end of clamp hook, door v notch v on the nail bin frame need to be arranged, due to the door v notch v of the shell of clamp hook near waiting the tissue that coincide, therefore be easy to crush and wait the tissue that coincide, also be easy to affect clamp hook and rotate around nail bin frame pivot.
Surgical linear Endo-GIA of the present invention is realized, when nail bin groupware and the clamped hook clamping of nail-anvil assembly, contact for face between the round bump at the hook of clamp hook and nail anvil frame middle part, the curved surface of the briquetting on the nail bin frame also contacts for face with the curved surface of nail anvil frame nearside projection, be not easy to produce strain when stressed, and be in contact with one another between curved surface and curved surface and also have positioning action.Therefore, when clamping force was larger, the strain that produces can not cause that nail bin groupware and nail-anvil assembly clamp the excesssive gap of the distal site for the treatment of identical tissue, thereby can guarantee the correct bending forming of anastomosis staple, and reaching will the correct operation purpose of coincideing of tissue.
the clamp hook of surgical linear Endo-GIA of the present invention can control nail bin groupware and the nail-anvil assembly generation is unclamped, clamping and clamping wait to coincide three actions of tissue, and, unclamp in switching, clamping and when clamping three actions wait the tissue that coincide, constantly change the resistance of clamp hook rotation and sound, reach the result of use by the variation of feel and sound double-reminding operator's clamp hook position, thereby be convenient to implement the action that identical tissue is treated in interim clamping in operation technique, so that operative doctor can observe waiting of being pressed from both sides coincide tissue site and thickness whether suitable, perhaps first complete some auxiliary operations and carry out again the operation that cutting coincide and organizes, make operation technique more convenient.
Surgical linear Endo-GIA of the present invention realizes that the baffle plate on the nail bin frame is inserted in the door v notch v of the shell far-end on clamp hook, when clamp hook when nail bin frame pivot rotates to open and clamps nail bin groupware and nail-anvil assembly, block the door v notch v of the shell far-end on clamp hook due to the baffle plate on the nail bin frame, make the door v notch v of the shell of clamp hook can not crush and wait to coincide tissue, can not affect clamp hook yet and rotate around nail bin frame pivot, thereby make operation technique safer.
The surgeon when using surgical linear Endo-GIA of the present invention, after nail bin groupware and nail-anvil assembly are closed up mutually, the operation clamp hook just can control nail bin groupware and nail-anvil assembly produce unclamp, clamping and clamp and treat identical three actions organizing.and, unclamp in switching, clamping and when clamping three actions wait the tissue that coincide, surgical linear Endo-GIA of the present invention constantly changes the resistance of clamp hook rotation and sounds, reach the result of use by the variation of feel and sound double-reminding operator's clamp hook position, thereby be convenient to implement the action that identical tissue is treated in interim clamping in operation technique, so that operative doctor can observe waiting of being pressed from both sides coincide tissue site and thickness whether suitable, perhaps first complete some auxiliary operations and carry out again the operation that cutting coincide and organizes, make operation technique more convenient.When clamp hook when nail bin frame pivot rotates to open and clamps nail bin groupware and nail-anvil assembly, block the door v notch v of the shell far-end on clamp hook due to the baffle plate on the nail bin frame, make the door v notch v of the shell of clamp hook can not crush and wait to coincide tissue, can not affect clamp hook yet and rotate around nail bin frame pivot, thereby make operation technique safer.When nail bin groupware and the clamped hook clamping of nail-anvil assembly, contact for face between the round bump at the hook of clamp hook and nail anvil frame middle part, the curved surface of the briquetting on the nail bin frame also contacts for face with the curved surface of nail anvil frame nearside projection, be not easy to produce strain when stressed, and be in contact with one another between curved surface and curved surface and also have positioning action.Therefore, when clamping force was larger, the strain that produces can not cause that nail bin groupware and nail-anvil assembly clamp the excesssive gap of the distal site for the treatment of identical tissue, thereby can guarantee the correct bending forming of anastomosis staple, and reaching will the correct operation purpose of coincideing of tissue.At this moment, can pass through firing lock, anastomosis staple is released in nail bin, make the nail tip of anastomosis staple penetrate the clamped identical grooving that directes reach on nail anvil of organizing for the treatment of, reaching will the identical operation purpose of tissue.When using in surgical operation, compare with existing surgical linear Endo-GIA, surgical linear Endo-GIA of the present invention reaches is more convenient for using, organizing the identical surgical effect of safety and reliability.
So can find out that the above-mentioned target of stating comprises by front those shown targets of explanation being effectively achieved.Described here is only the typical best form of implementation of the present patent application, can do some to said structure and change also without prejudice to the spirit and scope of the present invention.The present invention is not limited to the detail of stating here, is apparent any improvement or remodeling and should keep affiliated field secondary technology personnel as stating in the restriction of claim.
Claims (10)
1. the clamp hook of a surgical linear Endo-GIA, described surgical linear Endo-GIA is comprised of nail bin groupware, nail-anvil assembly and clamp hook;
Nail bin is arranged in described nail bin groupware, the nail bin frame of described nail bin is installed and is arranged on the interior firing lock of described nail bin frame, it is linear that nail bin is, ejector pin piece and anastomosis staple are installed in nail bin, described a plurality of anastomosis staple is staggered in nail bin more than two rows (comprising two rows), on described nail bin frame, pivot and briquetting is arranged;
Nail anvil is arranged and with the nail anvil frame of described nail anvil in described nail-anvil assembly, it is linear that nail anvil is, be arranged with the anastomosis staple grooving corresponding with the anastomosis staple position in nail bin on the end face of nail anvil, a plurality of anastomosis staple groovings have nearside projection and middle part projection being staggered on the surface of nail anvil more than two rows (comprising two rows) on described nail anvil frame;
Pivot hole and hook are arranged, the pivot hole of described clamp hook and described nail bin frame pivotally connected on described clamp hook;
After nail bin groupware and nail-anvil assembly close up mutually, clamp hook is rotated around nail bin frame pivot, make the middle part projection on described nail anvil frame of hooking on the hook of described clamp hook, drive briquetting on described nail bin frame and be pressed on nearside projection on the nail anvil frame, make the clamped hook of nail bin groupware and nail-anvil assembly clamp;
It is characterized in that: have on the side of described clamp hook three be distributed in described clamp hook on the concentric circumference of pivot hole on the hole, have on the side of described nail bin frame be positioned at described nail bin frame on the concentric circumference of pivot on elastic projection; When described nail bin groupware and nail-anvil assembly were in open configuration, the elastic projection on the side of described nail bin frame sprang into the hole that is positioned on the side of described clamp hook than the lower end; When nail bin groupware and nail-anvil assembly were in clamp position, the elastic projection on the side of described nail bin frame sprang into the hole that is positioned at the middle part on the side of described clamp hook; When nail bin groupware and nail-anvil assembly were in clamped condition, the elastic projection on the side of described nail bin frame sprang into the hole that is positioned on the side of described clamp hook than the upper end.
2. the clamp hook of surgical linear Endo-GIA according to claim 1, is characterized in that, the far-end of the hook of described clamp hook has the lip limit of inclination; When being positioned at the hole at middle part on the elastic projection on the side of described nail bin frame springs into the side of described clamp hook, the lip limit of the inclination of the far-end of the hook of described clamp hook leans on the middle part projection on described nail anvil frame, keeps described nail bin groupware and nail-anvil assembly to be in clamp position.
3. the clamp hook of surgical linear Endo-GIA according to claim 2, is characterized in that, the lip limit of the inclination of the far-end of the hook of described clamp hook is the plane.
4. the clamp hook of surgical linear Endo-GIA according to claim 2, is characterized in that, the lip limit of the inclination of the far-end of the hook of described clamp hook is curved surface.
5. the clamp hook of surgical linear Endo-GIA according to claim 1, it is characterized in that, the near-end of described nail anvil frame has fan groove, and the kidney-shaped key is installed in the fan groove of described nail anvil frame, described kidney-shaped key can swing in fan groove, and the near-end of described nail bin frame has fork; When nail bin groupware and nail-anvil assembly closed up mutually, the fork of described nail bin frame was inserted on the kidney-shaped key of nail anvil frame; When nail bin groupware and nail-anvil assembly changed between open configuration, clamp position and clamped condition, the fork that is inserted in the nail bin frame on the kidney-shaped key of nail anvil frame drove the kidney-shaped key and swings in fan groove.
6. the clamp hook of surgical linear Endo-GIA according to claim 1, is characterized in that, on described clamp hook with curved surface, on the middle part projection on described nail anvil frame with the curved surface that matches with curved surface on described clamp hook; After nail bin groupware and nail-anvil assembly close up mutually, clamp hook is rotated around nail bin frame pivot, make curved surface on the hook of described clamp hook hook curved surface on middle part projection on described nail anvil frame, drive briquetting on described nail bin frame and be pressed on nearside projection on the nail anvil frame, make the clamped hook of nail bin groupware and nail-anvil assembly clamp.
7. the clamp hook of surgical linear Endo-GIA according to claim 6, it is characterized in that, curved surface on middle part projection on described nail anvil frame is the face of cylinder, the curved surface on the hook of described clamp hook for described nail anvil frame on the middle part projection on the face of cylinder of matching, the face of cylinder.
8. the clamp hook of surgical linear Endo-GIA according to claim 6, is characterized in that, on the briquetting on described nail bin frame, curved surface arranged, have on the nearside projection on described nail anvil frame with described nail bin frame on briquetting on the curved surface that matches of curved surface; When nail bin groupware and nail-anvil assembly were clamped by described clamp hook, the curved surface on the briquetting on described nail bin frame was pressed on curved surface on nearside projection on described nail anvil frame.
9. the clamp hook of surgical linear Endo-GIA according to claim 8, is characterized in that, the curved surface on the briquetting on described nail bin frame is the face of cylinder, and the curved surface on the nearside projection on described nail anvil frame is the face of cylinder.
10. the clamp hook of surgical linear Endo-GIA according to claim 1, is characterized in that, on described nail bin frame, baffle plate arranged, and on described clamp hook, shell arranged, and the baffle plate on described nail bin frame is inserted in the door v notch v of the shell far-end on described clamp hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110433471.8A CN103169514B (en) | 2011-12-21 | 2011-12-21 | The clamp hook of surgical linear Endo-GIA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110433471.8A CN103169514B (en) | 2011-12-21 | 2011-12-21 | The clamp hook of surgical linear Endo-GIA |
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| Publication Number | Publication Date |
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| CN103169514A true CN103169514A (en) | 2013-06-26 |
| CN103169514B CN103169514B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110433471.8A Active CN103169514B (en) | 2011-12-21 | 2011-12-21 | The clamp hook of surgical linear Endo-GIA |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112494090A (en) * | 2020-11-26 | 2021-03-16 | 苏州法兰克曼医疗器械有限公司 | Cutting anastomat suitable for minimally invasive surgery |
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| CN202537568U (en) * | 2011-12-21 | 2012-11-21 | 常州市康迪医用吻合器有限公司 | Clamping hook of surgical linear cutting stapler |
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| US5065929A (en) * | 1991-04-01 | 1991-11-19 | Ethicon, Inc. | Surgical stapler with locking means |
| CN2751749Y (en) * | 2004-12-03 | 2006-01-18 | 翁志强 | Adjustable linear cutting anastomat |
| US20090261144A1 (en) * | 2008-04-22 | 2009-10-22 | Kevin Sniffin | cartridge for applying varying amounts of tissue compression |
| CN101675898A (en) * | 2008-09-19 | 2010-03-24 | 伊西康内外科公司 | Surgical stapling instrument with cutting member arrangement |
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| CN112494090A (en) * | 2020-11-26 | 2021-03-16 | 苏州法兰克曼医疗器械有限公司 | Cutting anastomat suitable for minimally invasive surgery |
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| CN103169514B (en) | 2016-08-17 |
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Effective date of registration: 20141204 Address after: 213022 No. 16, Kunlun Road, Xinbei District, Jiangsu, Changzhou Applicant after: Changzhou Kangdi Medical Anastomat Co., Ltd Address before: 213022 No. 16, Kunlun Road, Xinbei District, Jiangsu, Changzhou Applicant before: Changzhou Kangdi Medical Anastomat Co., Ltd Applicant before: Shanghai Medical Instruments Co., Ltd. |
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