CN104939884A - Surgical instrument and nail anvil thereof - Google Patents
Surgical instrument and nail anvil thereof Download PDFInfo
- Publication number
- CN104939884A CN104939884A CN201410127155.1A CN201410127155A CN104939884A CN 104939884 A CN104939884 A CN 104939884A CN 201410127155 A CN201410127155 A CN 201410127155A CN 104939884 A CN104939884 A CN 104939884A
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- CN
- China
- Prior art keywords
- nail anvil
- nail
- anvil
- pulling plate
- fan
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Classifications
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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
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
- A61B17/1155—Circular staplers comprising a plurality of staples
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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
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
- A61B2017/1157—Staplers for performing anastomosis in a single operation applying the staples radially
Abstract
The invention relates to the technical field of medical instruments and discloses a surgical instrument and a nail anvil thereof. The nail anvil comprises a nail anvil rod, a nail anvil cap and an execution mechanism, the nail anvil cap comprises at least two nail anvil leaves, each nail anvil leaf is connected to the nail anvil rod in a pivoted manner and can be folded in the direction of axis of the nail anvil rod, and the execution mechanism is in transmission connection with a driving mechanism of the surgical instrument and drives each nail anvil leaf to be folded or unfolded during action. The execution mechanism can drive each nail anvil leaf to be folded in the direction of axis, diameter of the nail anvil cap after being folded is small, and trauma to a suturing opening when the nail anvil is taken out through the suturing opening or trauma to tissue when the nail anvil is placed in is small, so that surgical safety is improved.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly a kind of nail anvil of surgical operating instrument and surgical operating instrument.
Background technology
When carrying out surgical operation to tissues such as esophagus, stomach, intestinals, the surgical operating instruments such as many employing circular staplers, stiching instrument can shorten operating time, improves procedure efficiency.
Circular stapler adopts suture way axially in operation process, forms suture rings at two sections of organization internals, the body that produces in operation can be made hemorrhage etc. can to discharge together along with content, and postoperative body tissue ratio is easier to heal.
Circular stapler comprises the nail anvil with nail-anvil cap and nail anvil rod and the body with nail kit, and in operation process, the nail-anvil cap of nail anvil is positioned at a cast tissue to be stapled, and nail kit is positioned at another cast tissue to be stapled; After two parts tissue apposition, sewing up mouth between nail-anvil cap and nail kit, after stitching, needing nail anvil to take out from sewing up mouth.
When taking out nail anvil, nail-anvil cap need through sewing up mouth; But after staplers, the diameter of the stitching mouth between two parts tissue is less than the diameter of nail-anvil cap, the suturing nail that nail-anvil cap is easy to stitching mouth is used for sewing up through stitching mouth struts, and destroy and sew up, injury suture tissue, causes malpractice.
In addition, for some operations, because particular organization space is less, also damage can be caused to tissue when nail anvil is put into.
Therefore, how to provide a kind of by sewing up mouth and taking out time opposite joint heal up or put into time less to the wound of tissue be one of those skilled in the art's technical problem needing solution badly with the nail anvil improving operation safety and surgical operating instrument.
Summary of the invention
The invention provides a kind of nail anvil and surgical operating instrument of surgical operating instrument, this surgical operating instrument for stitching mouth or less to the wound of tissue when putting into, can improve the safety of operation when being taken out by sewing up mouth by nail anvil.
For achieving the above object, the invention provides following technical scheme:
A nail anvil for surgical operating instrument, comprising:
Nail anvil rod;
Nail-anvil cap, described nail-anvil cap comprises at least two nail anvil fans, and nail anvil fan described in each is articulated in described nail anvil rod and can folds to nail anvil rod direction of axis line;
Be in transmission connection with the driving mechanism of described surgical operating instrument, action time drive nail anvil described in each to fan actuator that is folding or that launch.
In the nail anvil of surgical operating instrument provided by the invention, actuator can drive each nail anvil fan of nail-anvil cap folding under the driving of the driving mechanism of surgical operating instrument, therefore, after actuator drives each nail anvil fanning to open, nail-anvil cap is in deployed condition, now nail anvil is umbrella shape, and nail-anvil cap can coordinate with the nail kit of surgical operating instrument and realizes cutting and stitching; When needing nail anvil to take out from the stitching mouth after stitching, folding to the direction of axis line of nail anvil rod by each nail anvil fan of actuating mechanism controls nail-anvil cap, nail-anvil cap is made to be in folded state, and then reduce the diameter of nail-anvil cap, in the process that nail anvil is taken out by stitching mouth, reduce the damage that nail-anvil cap opposite joint heals up, improve the safety of operation.
So, less for stitching mouth wound when nail anvil provided by the invention takes out by sewing up mouth, the safety of operation can be improved.
Certainly, in above-mentioned nail anvil, each nail anvil fan of nail-anvil cap can also be made folded state is in when the nail-anvil cap of nail anvil being put into and organized, after putting into tissue, a nail anvil fanning is driven to open the nail-anvil cap forming umbrella shape by actuating unit, can reduce nail anvil rod puts into the wound organized when organizing, and improves the safety of operation further.
Preferably, the nail anvil fan of described nail-anvil cap comprises at least two the first nail anvil fans and at least two the second nail anvil fans, and described first nail anvil fan is identical with the quantity that described second nail anvil is fanned; Each described first nail anvil fan and after the second nail anvil fanning opens, described first nail anvil fan and described second nail anvil fan are alternately distributed, and after each described first nail anvil fan and the second nail anvil fan fold, described first nail anvil is fanned and fanned between nail anvil rod at the second nail anvil.
Preferably, described actuator comprises:
With nail anvil rod clearance fit, can along the first pulling plate of described nail anvil rod length direction movement and the second pulling plate;
The first pull bar is one to one fanned with described first nail anvil, one end of first pull bar described in each is articulated in described first pulling plate, the other end is articulated in the first nail anvil fan of its correspondence, when described first pulling plate moves along described nail anvil rod length direction, control each described first nail anvil fan by the first pull bar and fold or launch;
The second pull bar is one to one fanned with described second nail anvil, one end of second pull bar described in each is articulated in described second pulling plate, the other end is articulated in the second nail anvil fan of its correspondence, when described second pulling plate moves along described nail anvil rod length direction, control each described second nail anvil fan by the second pull bar and fold or launch.
Preferably, described nail anvil rod has hollow structure to form inner chamber, and described first pulling plate and described second pulling plate are all arranged at the interior intracavity of described nail anvil rod; And the sidewall of described inner chamber is provided with and described first pull bar and described second pull bar one_to_one corresponding, the fluting that passes for described first pull bar and the second pull bar.
Preferably, the sidewall of described inner chamber is also provided with gathering sill, and described first pulling plate is provided with the slide block be slidably matched with described gathering sill, and/or described second pulling plate is provided with the slide block be slidably matched with described gathering sill.
Preferably, described first pulling plate is positioned at the side that described second pulling plate deviates from described nail anvil rod far-end, is provided with central spring between described first pulling plate and described second pulling plate; After described first nail anvil fan and described second nail anvil fanning are opened, described central spring is in compress energy storage state.
Preferably, described first pulling plate and described second pulling plate are equipped with through hole, described actuator also comprises the center-pole being arranged in described intracavity, being in transmission connection with the driving mechanism of the operating grip of described surgical operating instrument, described center-pole has the pushing surface towards nail anvil rod far-end, with the face of pulling back towards described nail anvil rod near-end, described center-pole runs through the through hole of described first pulling plate and described second pulling plate, and described first pulling plate and described second pulling plate are in described pushing surface and describedly pull back between face;
When described center-pole moves to described nail anvil rod distal direction under described driving mechanism drives:
The pushing surface of described center-pole promotes described first pulling plate and moves to described nail anvil rod distal direction, drives each described first nail anvil fanning to open to make described first pulling plate by described first pull bar; Described second pulling plate moves to described nail anvil rod distal direction under the thrust of described central spring, drives each described second nail anvil fanning to open to make described second pulling plate by described second pull bar;
When described center-pole moves to described nail anvil rod proximal direction under described driving mechanism drives:
Described first pulling plate moves to described nail anvil rod proximal direction under described central spring thrust, drives each described first nail anvil fan folding to make described first pulling plate by described first pull bar; The face of pulling back of described center-pole pulls described second pulling plate to move to described nail anvil rod proximal direction, drives each described second nail anvil fan folding to make described second pulling plate by described second pull bar.
Preferably, described actuator also comprises:
Be arranged at the spring card of the sidewall of described inner chamber, after described first nail anvil fan and described second nail anvil fanning are opened, described spring card coordinates to be locked by the sidewall of described center-pole and described inner chamber with described center-pole;
The release-push that described intracavity sidewall is stretched out in one end, the other end is connected with described spring card, the trigger shaft of described surgical operating instrument touches described release-push when carrying out firing action, described release-push and then drive described spring card to discharge described spring card to the locking between center-pole and nail anvil rod sidewall.
On the other hand, the invention provides a kind of surgical operating instrument, comprise body, be installed on described body nail kit, be arranged at the driving mechanism of described body, be arranged at the trigger shaft of described body; Also comprise as provided any one nail anvil in technique scheme, described nail anvil is installed on described body, and the actuator of described nail anvil and described driving mechanism are in transmission connection.
Preferably, when described actuator comprises described spring card and release-push, described driving mechanism also comprises:
Opening and closing mechanism, is installed on described body;
Drive link, relative with described nail anvil rod fixing, and be connected with described opening and closing mechanism driving;
Spring, the far-end of described spring is connected with the near-end of described center-pole, and the near-end of described spring is connected with the far-end of described drive link, and when described nail-anvil cap is in deployed condition, described spring is in stretching energy accumulating state.
Preferably, described driving mechanism also comprises:
Be installed on the adjusting knob of body;
Be installed on the drive rod of nail anvil rod, the near-end of described drive rod and described adjusting knob threaded engagement, when described drive rod moves to described nail anvil rod distal direction relative to described nail anvil rod under described adjusting knob drives, the far-end of described drive rod can offset to drive described center-pole to move along described nail anvil rod length direction to described nail anvil rod far-end with the near-end of described center-pole.
Preferably, described surgical operating instrument is circular stapler.
Accompanying drawing explanation
In the surgical operating instrument that Fig. 1 provides for the embodiment of the present invention nail-anvil cap of nail anvil launch after configuration state schematic diagram;
In the surgical operating instrument that Fig. 2 provides for the embodiment of the present invention nail-anvil cap of nail anvil fold after configuration state schematic diagram;
In the nail anvil that Fig. 3 provides for the embodiment of the present invention nail-anvil cap launch after configuration state schematic diagram;
In the nail anvil that Fig. 4 provides for the embodiment of the present invention nail-anvil cap fold after configuration state schematic diagram;
In the nail anvil that Fig. 5 provides for the embodiment of the present invention nail-anvil cap launch after sectional view;
In the nail anvil that Fig. 6 provides for the embodiment of the present invention nail-anvil cap fold after sectional view;
The center-pole of the nail anvil that Fig. 7 provides for the embodiment of the present invention discharges the sectional view after the first pulling plate;
In the nail anvil that Fig. 8 provides for the embodiment of the present invention, nail-anvil cap launches rear center's bar and the first pulling plate and the second pulling plate fit structure schematic diagram;
Adjustment state schematic diagram when driving device comprises drive rod in the surgical operating instrument that Fig. 9 a ~ Fig. 9 c provides for the embodiment of the present invention.
Reference numeral:
1, nail anvil rod 11, inner chamber 12, fluting
2, nail-anvil cap 21, the first nail anvil fan 22, second nail anvil fan
31, first pull bar 32, second pull bar 33, central spring
34, first pulling plate 35, second pulling plate 36, center-pole
361, pushing surface 362, face 37 of pulling back, release-push
38, spring card 41, trigger shaft 42, spring
43, drive link 44, drive rod
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiments provide a kind of nail anvil of surgical operating instrument and a kind of surgical operating instrument with above-mentioned nail anvil.
Please refer to Fig. 1 and Fig. 2, in the surgical operating instrument that Fig. 1 provides for the embodiment of the present invention nail-anvil cap of nail anvil launch after configuration state schematic diagram; In the surgical operating instrument that Fig. 2 provides for the embodiment of the present invention nail-anvil cap of nail anvil fold after configuration state schematic diagram.
In the surgical operating instrument that the embodiment of the present invention provides, actuator in nail anvil action under the driving of the driving mechanism of surgical operating instrument, each nail anvil fanning of the nail-anvil cap 2 of nail anvil can be driven during actuator action to open or fold, the nail-anvil cap 2 of nail anvil can coordinate with the nail kit being arranged at surgical operating instrument body after deployment, as shown in Figure 1; State after nail-anvil cap 2 is folding as shown in Figure 2, reduce the diameter of the nail-anvil cap 2 of nail anvil, and then reduce the nail-anvil cap opposite joint when nail anvil is taken out by sewing up mouth heal up cause or put into time damage to tissue, improve safety when surgical operating instrument is performed the operation.
For ease of being described the work process of nail anvil and operation principle, the related notion to surgical operating instrument is introduced in the process in the present embodiment, nail anvil is described, therefore, in literary composition, the operation principle of the no longer independent surgical operating instrument to having above-mentioned nail anvil is described.
Wherein, " near-end " mentioned in the embodiment of the present invention refers to the one end near operator in above-mentioned surgical operating instrument use procedure, that is, away from one end of the nail-anvil cap 2 after expansion, and the upper end in orientation as shown in fig. 1; " far-end " refers to the one end away from operator in above-mentioned surgical operating instrument use procedure, that is, one end of the nail-anvil cap 2 after launching, the lower end in orientation as shown in fig. 1.
Please refer to Fig. 1 ~ 4, wherein, in the nail anvil that Fig. 3 provides for the embodiment of the present invention nail-anvil cap launch after configuration state schematic diagram; In the nail anvil that Fig. 4 provides for the embodiment of the present invention nail-anvil cap fold after configuration state schematic diagram.
As shown in Figure 3 and Figure 4, the nail anvil of the surgical operating instrument that the embodiment of the present invention provides, comprising:
Nail anvil rod 1;
Nail-anvil cap 2, nail-anvil cap 2 comprises at least two nail anvil fans, each nail anvil fan is articulated in described nail anvil rod 1 and can folds to the direction of axis line of nail anvil rod 1, each nail anvil fan makes nail-anvil cap 2 be in deployed condition after deployment, nail anvil is umbrella shape, makes nail-anvil cap 2 be in folded state after each nail anvil fan is folding to the direction of axis line of nail anvil rod 1;
Be in transmission connection with the driving mechanism of surgical operating instrument, action time drive nail anvil to fan actuator that is folding or that launch.
In the nail anvil of surgical operating instrument provided by the invention, actuator can drive each nail anvil fan of nail-anvil cap 2 to fold or launch under the driving of the driving mechanism of surgical operating instrument, change between folded state and deployed condition to make nail-anvil cap 2, after actuator drives each nail anvil fanning to open, nail-anvil cap 2 is in deployed condition, now nail anvil is umbrella shape, nail-anvil cap 2 can coordinate with the nail kit of surgical operating instrument and realizes cutting and stitching, when actuator drive each nail anvil fan direction of axis line to nail anvil rod 1 folding after, nail-anvil cap 2 is in folded state, diameter is less, therefore, when needing nail anvil to take out from the stitching mouth after stitching or when putting into nail anvil, nail-anvil cap 2 is in folded state, in the process of being taken out by stitching mouth by nail anvil or when putting into nail anvil, reduce the damage that nail-anvil cap 2 opposite joint heals up or organizes, improve the safety of operation.
So, nail anvil provided by the invention by taking-up or when putting into for stitching mouth or tissue injury less, the safety of operation can be improved.
In the nail-anvil cap 2 provided in above-mentioned embodiment, nail anvil fan can fold in several ways, as, in at least two nail anvil fans of nail-anvil cap 2, a part of nail anvil can be made to fan to rotate to the direction of nail anvil rod 1 near-end around the pivotal axis between itself and nail anvil rod 1 to realize folding, another part nail anvil fan to rotate to the distal direction of nail anvil rod 1 around the pivotal axis between itself and nail anvil rod 1 and realizes folding, and finally realizes folding of nail-anvil cap 2; Can also be all towards the direction rotary folding of nail anvil rod 1 near-end, realize the folding of nail-anvil cap 2.
As, the nail anvil fan of above-mentioned nail-anvil cap 2 can be two, time folding, nail anvil fan to be rotated to the direction of nail anvil rod 1 near-end around the pivotal axis between itself and nail anvil rod 1 realizes folding, another nail anvil is fanned to rotate to the distal direction of nail anvil rod 1 around the pivotal axis between itself and nail anvil rod 1 to realize folding, finally realize folding of nail-anvil cap 2.
The nail anvil fan of above-mentioned nail-anvil cap 2 also can be three, time folding, one of them nail anvil is fanned to rotate to the direction of nail anvil rod 1 near-end around the pivotal axis between itself and nail anvil rod 1 to realize folding, two other nail anvil is fanned to rotate to the distal direction of nail anvil rod 1 around the pivotal axis between itself and nail anvil rod 1 to realize folding, finally realize folding of nail-anvil cap 2.
Certainly, please continue to refer to Fig. 3 and Fig. 4, the nail anvil fan that nail-anvil cap 2 has can also comprise at least two the first nail anvil fans 21 and at least two the second nail anvil fans 22, and the first nail anvil fan 21 is identical with the quantity that the second nail anvil fans 22; After each first nail anvil fan 21 and the second nail anvil fan 22 launch, as shown in Figure 3, the first nail anvil fan 21 and the second nail anvil mutually splice and are alternately distributed between fanning 22, and nail-anvil cap 2 is in umbrella shape; After each first nail anvil fan 21 and the second nail anvil fan 22 fold, as shown in Figure 4, the first nail anvil fan 21 is between the second nail anvil fan 22 and nail anvil rod 1.That is, each first nail anvil fan 21 and the second nail anvil fan 22 fold to the same extreme direction of nail anvil rod 1, are convenient to drive, and then simplify the structure of actuator.
Preferably, in the nail anvil fan that above-mentioned nail-anvil cap 2 has:
First nail anvil fan 21 and the second nail anvil fan 22 are two; Or,
First nail anvil fan 21 and the second nail anvil fan 22 are three; Or,
As shown in Figure 3, the first nail anvil fan 21 and the second nail anvil fan 22 are four.
Certainly, the quantity of the first nail anvil fan 21 and the second nail anvil fan 22 can also be other selection modes, as long as can ensure normally folding and launching of the first nail anvil fan 21 and the second nail anvil fan 22.
In above-mentioned preferred implementation, preferably, as shown in Figure 3, above-mentioned first nail anvil fan 21 is less than the width of the first nail anvil fan 21 along nail-anvil cap 2 circumference along the width of the circumference of nail-anvil cap 2.
Incorporated by reference to Fig. 3 with reference to figure 5 and Fig. 6, wherein, in the nail anvil that provides for the embodiment of the present invention of Fig. 5 nail-anvil cap launch after sectional view; In the nail anvil that Fig. 6 provides for the embodiment of the present invention nail-anvil cap fold after sectional view.
In a kind of preferred implementation, the actuator in nail anvil can comprise:
With nail anvil rod 1 clearance fit, can along the first pulling plate 34 and the second pulling plate 35 of nail anvil rod 1 length direction movement;
21 first pull bars 31 are one to one fanned with the first nail anvil, one end of each the first pull bar 31 is articulated in the first pulling plate 34, the other end is articulated in the first nail anvil fan 21 of its correspondence, when first pulling plate 34 moves along nail anvil rod 1 length direction, control each first nail anvil fan 21 by the first pull bar 31 and fold or launch; As shown in Figure 5 under state, when the first pulling plate 34 moves along a direction relative to nail anvil rod 1, the first nail anvil fan 21 can be driven to fold by the first pull bar 31; As shown in Figure 6 under state, when the first pulling plate 34 moves along b direction relative to nail anvil rod 1, the first nail anvil fan 21 can be driven to launch by the first pull bar 31.
22 second pull bars 32 are one to one fanned with the second nail anvil, one end of each the second pull bar 32 is articulated in the second pulling plate 35, the other end is articulated in the second nail anvil fan 22 of its correspondence, when second pulling plate 35 moves along nail anvil rod 1 length direction, control each second nail anvil fan 22 by the second pull bar 32 and fold or launch; As shown in Figure 5 under state, when the second pulling plate 35 moves along a direction relative to nail anvil rod 1, the second nail anvil fan 22 can be driven to fold by the second pull bar 32; As shown in Figure 6 under state, when the second pulling plate 35 moves along b direction relative to nail anvil rod 1, the second nail anvil fan 22 can be driven to launch by the second pull bar 32.
First pulling plate 34 and the second pulling plate 35 are flexibly connected, and then first pulling plate 34 and can relative motion be produced between the second pulling plate 35 and nail anvil rod 1, during the concrete action of the actuator of said structure, take original state as state shown in Fig. 5, namely be example when nail-anvil cap 2 is in deployed condition, first the first pulling plate 34 is driven to move along a direction relative to nail anvil rod 1, and then first pulling plate 34 by the first pull bar 31 drive first nail anvil fan 21 fold, then the second pulling plate 35 is driven to move along a direction relative to nail anvil rod 1, second pulling plate 35 drives the second nail anvil fan 22 to fold by the second pull bar 32, after first nail anvil fan 21 and the second nail anvil fan 22 fold, state as shown in Figure 6, first nail anvil fan 21 is between the second nail anvil fan 22 and nail anvil rod 1.
Therefore, above-mentioned actuator can drive each first nail anvil fan 21 and the second nail anvil fan 22 to fold.
Please continue to refer to Fig. 5, in a kind of preferred implementation, nail anvil rod 1 has hollow structure to form inner chamber 11, and the first pulling plate 34 and the second pulling plate 35 are all arranged in the inner chamber 11 of nail anvil rod 1, and the sidewall of inner chamber 11 is provided with and slots 12 one to one with the first pull bar 31 and the second pull bar 32.Each first pull bar 31 is through the fluting 12 of its correspondence, and one end and first nail anvil fan 21 pivot joints, the other end and the first pulling plate 34 pivot joint; Each second pull bar 32 is through the fluting 12 of its correspondence, and one end and second nail anvil fan 22 pivot joints, the other end and the second pulling plate 35 pivot joint.
On the basis of above-mentioned preferred implementation, the sidewall of the inner chamber 11 of above-mentioned nail anvil rod 1 also can be provided with gathering sill, and the first pulling plate 34 can be provided with the slide block be slidably matched with gathering sill, and/or the second pulling plate 35 can be provided with the slide block be slidably matched with gathering sill.The sidewall of the inner chamber 11 of above-mentioned nail anvil rod 1 is provided with gathering sill, first pulling plate 34 can be provided with the slide block be slidably matched with gathering sill, improve stability when the first pulling plate 34 moves in inner chamber 11, second pulling plate 35 can be provided with the slide block be slidably matched with gathering sill, can improve stability when the second pulling plate 35 moves in inner chamber 11.
Please refer to Fig. 5, Fig. 6 and Fig. 7, the center-pole of nail anvil that wherein Fig. 7 provides for the embodiment of the present invention discharges the sectional view after the first pulling plate.
On the basis of above-mentioned each preferred implementation, as shown in Fig. 5, Fig. 6 and Fig. 7, in above-mentioned nail anvil, first pulling plate 34 of actuator is positioned at the side that the second pulling plate 35 deviates from nail anvil rod 1 far-end, central spring 33 is provided with between first pulling plate 34 and the second pulling plate 35, after first nail anvil fan 21 and the second nail anvil fan 22 launch, central spring 33 is in compress energy storage state, as shown in Figure 5.
In above-mentioned preferred implementation, when the nail-anvil cap 2 of nail anvil is in state shown in Fig. 5, central spring 33 is in compress energy storage state, therefore, when needing nail-anvil cap 2 to carry out folding, after discharging the first pulling plate 34, central spring 33 is released power and is stretched, first pulling plate 34 is moved relative to the proximal direction of the second pulling plate 35 to nail anvil rod 1, first pulling plate 34 can be mobile in inner chamber 11 relative to nail anvil rod 1 along a direction prior to the second pulling plate 35 under the promotion of central spring 33, and then the first nail anvil fan 21 is folded prior to the second nail anvil fan 22, ensure the first nail anvil fan 21 and the second nail anvil fan 22 folding after the first nail anvil fan 21 between the second nail anvil fan 22 and nail anvil rod 1, realize the folding of nail-anvil cap 2.
Certainly, in above-mentioned preferred implementation, when the nail-anvil cap 2 of nail anvil is in state shown in Fig. 6, central spring 33 is in compress energy storage state equally, therefore, when expansion action is carried out to nail-anvil cap 2, after discharging the second pulling plate 35, central spring 33 is released power and is stretched, second pulling plate 35 is first mobile in inner chamber 11 relative to nail anvil rod 1 along b direction prior to the first pulling plate 34 under central spring 33 promotes, and then the second nail anvil fan 22 is launched prior to the first nail anvil fan 21, ensure that the first pulling plate 34 can drive the first nail anvil fan 21 to launch when the far-end of nail anvil rod 1 moves along b direction, realize the expansion of nail-anvil cap 2.
Incorporated by reference to Fig. 1 and Fig. 2 with reference to figure 8, wherein in the nail anvil that provides for the embodiment of the present invention of Fig. 8, nail-anvil cap launches rear center's bar and the first pulling plate and the second pulling plate fit structure schematic diagram.
On the basis of above-mentioned preferred implementation, preferably, above-mentioned first pulling plate 34 and the second pulling plate 35 are equipped with through hole, and preferably, the axial line of the through hole that the first pulling plate 34 and the second pulling plate 35 are provided with overlaps with the axial line of nail anvil rod 1; Actuator also comprises the center-pole 36 being arranged in inner chamber 11, being in transmission connection with the driving mechanism of the operating grip of surgical operating instrument, center-pole 36 has the pushing surface 361 towards nail anvil rod 1 far-end, with the face of pulling back 362 towards nail anvil rod 1 near-end, center-pole 36 runs through the through hole of the first pulling plate 34 and the second pulling plate 35, and the first pulling plate 34 and the second pulling plate 35 are in pushing surface 361 and pull back between face 362;
When center-pole 36 driving mechanism drive under move to nail anvil rod 1 proximal direction, with drive nail-anvil cap 2 each first nail anvil fan 21 and each second nail anvil fan 22 by deployed condition rotate to folded state time:
The pushing surface 361 of center-pole 36 moves to nail anvil rod 1 proximal direction, central spring 33 is released power and is stretched, first pulling plate 34 moves to nail anvil rod 1 proximal direction under central spring 33 thrust, and then makes the first pulling plate 34 drive each first nail anvil fan 21 to carry out jackknife action prior to each second nail anvil fan 22 by each first pull bar 31; When the one side that the face of pulling back 362 of center-pole 36 and the second pulling plate 35 deviate from the first pulling plate 34 offsets, center-pole 36 drives the second pulling plate 35 to move to nail anvil rod 1 proximal direction, each second nail anvil fan 22 is driven to carry out jackknife action to make the second pulling plate 35 by each second pull bar 32, simultaneously, first pulling plate 34 proximal direction continued to nail anvil rod 1 under the driving of central spring 33 moves, finally realize the folding of each first nail anvil fan 21 and each second nail anvil fan 22, make the first nail anvil fan 21 between the second nail anvil fan 22 and nail anvil rod 1.
Center-pole 36 driving mechanism drive under move to nail anvil rod 1 distal direction, with drive nail-anvil cap 2 each first nail anvil fan 21 and each second nail anvil fan 22 by folded state rotate to deployed condition time:
The face of pulling back 362 of center-pole 36 is moved to nail anvil rod 1 distal direction, central spring 33 is released power and is stretched, second pulling plate 35 moves to the distal direction of nail anvil rod 1 under the thrust of central spring 33, drives each second nail anvil fan 22 to carry out expansion action prior to each first nail anvil fan 21 to make the second pulling plate 35 by second pull bar 32, when the one side that the pushing surface 361 of center-pole 36 and the first pulling plate 34 deviate from the second pulling plate 35 offsets, center-pole 36 drives the first pulling plate 34 to move to nail anvil rod 1 far-end, each first nail anvil fan 21 is driven to carry out expansion action to make the first pulling plate 34 by each first pull bar 31, second pulling plate 35 continues to move to nail anvil rod 1 distal direction under the active force of central spring 33 simultaneously, finally realize the expansion of each first nail anvil fan 21 and each second nail anvil fan 22, after each first nail anvil fan 21 and the second nail anvil fan 22 launch, the one side that the pushing surface 361 of center-pole 36 and the first pulling plate 34 deviate from the second pulling plate 35 offsets, between the one side that the face of pulling back 362 of center-pole 36 and the second pulling plate 35 deviate from the first pulling plate 34, there is setting gap, and central spring 33 is in compress energy storage state.
Preferably, center-pole 36 can have barb structure, and face 362 of pulling back is the one side of barb structure towards pushing surface.
Please refer to Fig. 1 and Fig. 2, preferably, above-mentioned actuator also comprises:
Be arranged at after spring card 38, the first nail anvil fan 21 of the sidewall of inner chamber 11 and the second nail anvil fan 22 launch, spring card 38 coordinates with center-pole 36 and is locked by the sidewall of center-pole 36 and inner chamber 11, makes the nail-anvil cap 2 of nail anvil be locked in deployed condition;
The release-push 37 that inner chamber 11 sidewall is stretched out in one end, the other end is connected with spring card 38, the trigger shaft 41 of surgical operating instrument touches release-push 37 when carrying out firing action, release-push 37 driving spring card 38 discharges the locking between center-pole 36 and nail anvil rod 1 sidewall, and then make center-pole 36 can action during the driving of driving mechanism in surgical operating instrument, perform the drive actions to the first nail anvil fan 21 and the second nail anvil fan 22.
On the other hand, the embodiment of the present invention additionally provides a kind of surgical operating instrument, the trigger shaft 41 of the body that comprises body, is installed on the nail kit of body, is arranged at the driving mechanism of body, is arranged at; Also comprise any one nail anvil as provided in the respective embodiments described above, nail anvil is installed on body, and the actuator of nail anvil and driving mechanism are in transmission connection.
Surgical operating instrument drives the actuator action of nail anvil by driving mechanism, and then drive the first nail anvil fan 21 and the second nail anvil fan 22 to fold or launch, when the first nail anvil fan 21 and the second nail anvil fan 22 fold, nail-anvil cap 2 diameter of nail anvil reduces, the wound that when sewing up mouth taking-up nail anvil, nail-anvil cap 2 opposite joint heals up can be decreased through, or to the wound of tissue when putting into nail anvil, improve safety during surgical operating instrument operation.
Please refer to Fig. 1 and Fig. 2, preferably, when the actuator of nail anvil comprises spring card 38 and release-push 37, driving mechanism also comprises:
Opening and closing mechanism, is installed on body; Preferably, above-mentioned opening and closing mechanism can for being installed in the empennage knob of body, and pivotal axis is parallel with the length direction of nail anvil rod 1;
Drive link 43, relative with nail anvil rod 1 fixing, and be connected with above-mentioned opening and closing mechanism driving;
Spring 42, the far-end of spring 42 is connected with the near-end of center-pole 36, and the near-end of spring 42 is connected with the far-end of drive link 43, and when nail-anvil cap 2 is in deployed condition, spring 42 is in stretching energy accumulating state.
Shown in Fig. 1, Fig. 2, Fig. 5, Fig. 6 and Fig. 7, in specific operation process, above-mentioned center-pole 36 is locked by the sidewall of spring card 38 with inner chamber 11, and spring 42 is in stretching energy accumulating state, empennage knob is regulated to drive nail anvil rod 1 action by drive link 43, to make between the nail-anvil cap 2 of nail anvil and nail kit closed and by clamp tissue, then control trigger shaft 41 and carry out firing action, nail-anvil cap 2 and nail kit are coordinated stitching cutting is carried out to tissue, trigger shaft 41 touches release-push 37, discharge the locking between center-pole 36 and the sidewall of inner chamber 11 by release-push 37 driving spring card 38, center-pole 36 spring 42 reset pulling force effect under move to the direction of nail anvil rod 1 near-end, conflict relation between the pushing surface 361 of release center-pole 36 and the first pulling plate 34, and the one side making the face of pulling back 362 of center-pole 36 and the second pulling plate 35 deviate from the first pulling plate 34 offsets, now the first nail anvil fan 21 and the second nail anvil fan 22 keep deployed condition under the active force of itself and nail kit, when the trigger shaft 41 of surgical operating instrument resets, and discharge between nail-anvil cap 2 and nail kit sew up after organize time, central spring 33 is released power and is stretched, first pulling plate 34 moves in inner chamber 11 relative to nail anvil rod 1 to nail anvil rod 1 proximal direction prior to the second pulling plate 35 under the promotion of central spring 33, and then the first nail anvil fan 21 is folded prior to the second nail anvil fan 22, and, center-pole 36 moves to the direction of nail anvil rod 1 near-end under the reset force effect of spring 42, the face of pulling back 362 of center-pole 36 drives the second pulling plate 35 to move in inner chamber 11 to nail anvil rod 1 proximal direction relative to nail anvil rod 1, and then the second nail anvil fan 22 is folded, ensure the first nail anvil fan 21 and the second nail anvil fan 22 folding after the first nail anvil fan 21 between the second nail anvil fan 22 and nail anvil rod 1, realize the folding of nail-anvil cap 2.
Please refer to Fig. 9 a ~ Fig. 9 c, more preferably, above-mentioned driving mechanism also comprises:
Be installed on the adjusting knob of body;
Be installed on the drive rod 44 of nail anvil rod 1, the near-end of drive rod 44 and adjusting knob threaded engagement, when drive rod 44 moves to the distal direction of nail anvil rod 1 relative to nail anvil rod 1 under the driving of adjusting knob, the far-end of drive rod 44 can with the offseting of center-pole 36, move along the length direction of nail anvil rod 1 to the distal direction of nail anvil rod 1 to drive center-pole 36, and then drive the first pulling plate 34 and the second pulling plate 35 to move to the distal direction of nail anvil rod 1, realize the first nail anvil fan 21 in nail-anvil cap 2 and the second nail anvil fan 22 by folded state to deployed condition action.
As illustrated in fig. 9, when the first nail anvil fan 21 in nail-anvil cap 2 and the second nail anvil fan 22 are in folded state, the near-end of the far-end and center-pole 36 that can control drive rod 44 by rotation of adjustment knob offsets, continue rotation of adjustment knob, drive rod 44 is made to continue to move relative to the distal direction of nail anvil rod 1 to nail anvil rod 1, the first nail anvil fan 21 of nail-anvil cap 2 and the second nail anvil fan 22 is finally made to launch, as shown in figure 9b; By reversely rotating adjusting knob, the near-end of the far-end off center bar 36 of drive rod 44 can be made and reset, as is shown in fig. 9 c.And then above-mentioned surgical operating instrument can realize nail-anvil cap 2 by the driving of folded state to deployed condition by the cooperation of above-mentioned adjusting knob and drive rod 44.
Certainly, above-mentioned nail-anvil cap 2 is identical with a upper embodiment to the implementation procedure of folded state by deployed condition, repeats no more here.
Preferably, above-mentioned surgical operating instrument is circular stapler.
Obviously, those skilled in the art can carry out various change and modification to the embodiment of the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (12)
1. a nail anvil for surgical operating instrument, is characterized in that, comprising:
Nail anvil rod;
Nail-anvil cap, described nail-anvil cap comprises at least two nail anvil fans, and nail anvil fan described in each is articulated in described nail anvil rod and can folds to nail anvil rod direction of axis line;
Be in transmission connection with the driving mechanism of described surgical operating instrument, action time drive nail anvil described in each to fan actuator that is folding or that launch.
2. nail anvil according to claim 1, is characterized in that, the nail anvil fan of described nail-anvil cap comprises at least two the first nail anvil fans and at least two the second nail anvil fans, and described first nail anvil fan is identical with the quantity that described second nail anvil is fanned; Each described first nail anvil fan and after the second nail anvil fanning opens, described first nail anvil fan and described second nail anvil fan are alternately distributed, and after each described first nail anvil fan and the second nail anvil fan fold, described first nail anvil is fanned and fanned between nail anvil rod at the second nail anvil.
3. nail anvil according to claim 2, is characterized in that, described actuator comprises:
With nail anvil rod clearance fit, can along the first pulling plate of described nail anvil rod length direction movement and the second pulling plate;
The first pull bar is one to one fanned with described first nail anvil, one end of first pull bar described in each is articulated in described first pulling plate, the other end is articulated in the first nail anvil fan of its correspondence, when described first pulling plate moves along described nail anvil rod length direction, control each described first nail anvil fan by the first pull bar and fold or launch;
The second pull bar is one to one fanned with described second nail anvil, one end of second pull bar described in each is articulated in described second pulling plate, the other end is articulated in the second nail anvil fan of its correspondence, when described second pulling plate moves along described nail anvil rod length direction, control each described second nail anvil fan by the second pull bar and fold or launch.
4. nail anvil according to claim 3, is characterized in that, described nail anvil rod has hollow structure to form inner chamber, and described first pulling plate and described second pulling plate are all arranged at the interior intracavity of described nail anvil rod; And the sidewall of described inner chamber is provided with and described first pull bar and described second pull bar one_to_one corresponding, the fluting that passes for described first pull bar and described second pull bar.
5. nail anvil according to claim 4, is characterized in that, the sidewall of described inner chamber is also provided with gathering sill, and described first pulling plate is provided with the slide block be slidably matched with described gathering sill, and/or described second pulling plate is provided with the slide block be slidably matched with described gathering sill.
6. nail anvil according to claim 4, is characterized in that, described first pulling plate is positioned at the side that described second pulling plate deviates from described nail anvil rod far-end, is provided with central spring between described first pulling plate and described second pulling plate; After described first nail anvil fan and described second nail anvil fanning are opened, described central spring is in compress energy storage state.
7. nail anvil according to claim 6, it is characterized in that, described first pulling plate and described second pulling plate are equipped with through hole, described actuator also comprises the center-pole being arranged in described intracavity, being in transmission connection with the driving mechanism of the operating grip of described surgical operating instrument, described center-pole has the pushing surface towards nail anvil rod far-end, with the face of pulling back towards described nail anvil rod near-end, described center-pole runs through the through hole of described first pulling plate and described second pulling plate, and described first pulling plate and described second pulling plate are in described pushing surface and describedly pull back between face;
When described center-pole moves to described nail anvil rod distal direction under described driving mechanism drives:
The pushing surface of described center-pole promotes described first pulling plate and moves to described nail anvil rod distal direction, drives each described first nail anvil fanning to open to make described first pulling plate by described first pull bar; Described second pulling plate moves to described nail anvil rod distal direction under the thrust of described central spring, drives each described second nail anvil fanning to open to make described second pulling plate by described second pull bar;
When described center-pole moves to described nail anvil rod proximal direction under described driving mechanism drives:
Described first pulling plate moves to described nail anvil rod proximal direction under described central spring thrust, drives each described first nail anvil fan folding to make described first pulling plate by described first pull bar; The face of pulling back of described center-pole pulls described second pulling plate to move to described nail anvil rod proximal direction, drives each described second nail anvil fan folding to make described second pulling plate by described second pull bar.
8. nail anvil according to claim 7, is characterized in that, described actuator also comprises:
Be arranged at the spring card of the sidewall of described inner chamber, after described first nail anvil fan and described second nail anvil fanning are opened, described spring card coordinates to be locked by the sidewall of described center-pole and described inner chamber with described center-pole;
The release-push that described intracavity sidewall is stretched out in one end, the other end is connected with described spring card, the trigger shaft of described surgical operating instrument touches described release-push when carrying out firing action, described release-push and then drive described spring card to discharge described spring card to the locking between center-pole and nail anvil rod sidewall.
9. a surgical operating instrument, the trigger shaft comprising body, be installed on the nail kit of described body, be arranged at the driving mechanism of described body, be arranged at described body; It is characterized in that, also comprise the nail anvil as described in any one of claim 1 ~ 8, described nail anvil is installed on described body, and the actuator of described nail anvil and described driving mechanism are in transmission connection.
10. surgical operating instrument according to claim 9, is characterized in that, when described actuator comprises described spring card and release-push, described driving mechanism also comprises:
Opening and closing mechanism, is installed on described body;
Drive link, relative with described nail anvil rod fixing, and be connected with described opening and closing mechanism driving;
Spring, the far-end of described spring is connected with the near-end of described center-pole, and the near-end of described spring is connected with the far-end of described drive link, and when described nail-anvil cap is in deployed condition, described spring is in stretching energy accumulating state.
11. surgical operating instruments according to claim 10, is characterized in that, described driving mechanism also comprises:
Be installed on the adjusting knob of described body;
Be installed on the drive rod of nail anvil rod, the near-end of described drive rod and described adjusting knob threaded engagement, when described drive rod moves to described nail anvil rod distal direction relative to described nail anvil rod under described adjusting knob drives, the far-end of described drive rod can offset to drive described center-pole to move along described nail anvil rod length direction to described nail anvil rod far-end with the near-end of described center-pole.
12. surgical operating instruments according to any one of claim 9 ~ 11, it is characterized in that, described surgical operating instrument is circular stapler.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410127155.1A CN104939884B (en) | 2014-03-31 | 2014-03-31 | The nail anvil and surgical operating instrument of a kind of surgical operating instrument |
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| CN201410127155.1A CN104939884B (en) | 2014-03-31 | 2014-03-31 | The nail anvil and surgical operating instrument of a kind of surgical operating instrument |
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| CN104939884B CN104939884B (en) | 2017-06-23 |
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| WO2017096502A1 (en) * | 2015-12-07 | 2017-06-15 | Covidien Lp | Anvil assembly and delivery system |
| CN109953778A (en) * | 2017-12-26 | 2019-07-02 | 先健科技(深圳)有限公司 | The system of clamping device and fixing organization |
| CN110974330A (en) * | 2019-12-09 | 2020-04-10 | 杭州市第一人民医院 | Nail anvil seat of folding tubular anastomat placed through oral cavity |
| CN111407347A (en) * | 2020-03-31 | 2020-07-14 | 杭州乐守科技有限公司 | Nail anvil seat of folding anastomat |
| CN113425355A (en) * | 2021-06-11 | 2021-09-24 | 象山县第一人民医院医疗健康集团 | Nail anvil of surgical operation instrument and surgical operation instrument |
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| CN113425355A (en) * | 2021-06-11 | 2021-09-24 | 象山县第一人民医院医疗健康集团 | Nail anvil of surgical operation instrument and surgical operation instrument |
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|---|---|
| CN104939884B (en) | 2017-06-23 |
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Address after: 300457 Tianjin Binhai New Area Economic and Technological Development Zone, Fourth Street, No. 5, block B, floor 4 Patentee after: Tianjin Ricky surgical instruments Limited by Share Ltd Address before: 300457 Tianjin Binhai New Area Economic and Technological Development Zone, Fourth Street, No. 5, block B, floor 4 Patentee before: Reach Surgical Instrument (China) Co.,Ltd. |
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