CN103720499B - Straight line stitching instrument cutter sweep - Google Patents
Straight line stitching instrument cutter sweep Download PDFInfo
- Publication number
- CN103720499B CN103720499B CN201310749269.5A CN201310749269A CN103720499B CN 103720499 B CN103720499 B CN 103720499B CN 201310749269 A CN201310749269 A CN 201310749269A CN 103720499 B CN103720499 B CN 103720499B
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- China
- Prior art keywords
- nail bin
- cutting knife
- safety piece
- slot
- straight line
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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
- A61B17/068—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
Present invention is disclosed a kind of straight line stitching instrument cutter sweep, comprise can close mutually or open upper, lower clamp, upper clamp comprises nail anvil, lower clamp comprises nail bin frame, nail bin frame is removably provided with nail bin, be provided with push broach bar in nail bin frame movably and be placed in the cutting knife of push broach bar far-end, cutting knife can distally move with from the disconnected destination organization be placed between nail anvil and nail bin from the near-end of nail bin under the effect of push broach bar, straight line stitching instrument cutter sweep also comprises the relatively-stationary safety piece with nail bin, cutting knife comprises the slot with safety piece adaptation, and the support division be formed at above slot, safety piece can coordinate the motion to limit cutting knife with slot, the roof of support division can offset to stop safety piece to be engaged in slot with safety piece, when cutting knife is positioned at the near-end of nail bin, safety piece selectively can be engaged in slot or with the roof of support division and be offseted, and can match with safety piece in slot by cutting knife on the direction of proximally moving from the far-end of nail bin.
Description
Technical field
The invention belongs to manufacture technology field of medical appliance, be specifically related to a kind of straight line stitching instrument cutter sweep.
Background technology
Linear seam cutting device is widely used in sewing up and cutting for wound suture, interior tissue in surgical operation, typical Linear seam cutting device as US Patent No. 5129570 disclose, have and sew up and cutting two functions, while carrying out wound suture, by unnecessary cutting tissue.Such Linear seam cutting device generally comprises upper and lower two clamps, and for closing the closed handle of upper and lower clamp, be oppositely arranged on nail anvil and the nail bin of upper and lower clamp far-end, to be located in nail bin and the push broach bar of cutting knife can be provided with simultaneously relative to the percussion sheet of described nail bin movement and far-end, and for driving the push button of described percussion sheet and the movement of push broach bar.Be disposed with suturing nail in described nail bin, described percussion sheet promotes pushing slice of nail in order successively and pushes suturing nail to nail anvil, and the tissue between nail bin and nail anvil cuts off by described cutting knife.
In prior art, the nail bin of Linear seam cutting device be can change nonexpondable.When Clinical practice, often need repeatedly to sew up and cut and organize, therefore need repeatedly to change nail bin when performing the operation, namely after doctor completes a seaming and cutting action, first need to open upper and lower clamp by after apparatus reset, apparatus is exited operative site, then changes nail bin, so that straight line stitching instrument cutter sweep carries out seaming and cutting operation next time.
But due to doctor or the doctor that lacks experience of some carelessnesses, again carry out the action of pulling the trigger apparatus when not changing the nail bin of having pulled the trigger, the generation of malpractice can be caused like this, namely carry out excising but not sewing up.In order to prevent the generation of this type of accident, need the insurance institution setting up the anti-secondary percussion of secondary fuse in straight line stitching instrument cutter sweep, to avoid the malpractice produced due to the maloperation of doctor.
Summary of the invention
The object of the present invention is to provide a kind of straight line stitching instrument cutter sweep, it can prevent apparatus from being pulled the trigger by secondary when not changing nail bin.
For achieving the above object, the invention provides a kind of straight line stitching instrument cutter sweep, comprise can close mutually or open upper, lower clamp, described upper clamp comprises nail anvil, described lower clamp comprises nail bin frame, described nail bin frame is removably provided with nail bin, be provided with push broach bar in described nail bin frame movably and be placed in the cutting knife of push broach bar far-end, described cutting knife can distally move with from the disconnected destination organization be placed between described nail anvil and nail bin from the near-end of described nail bin under the effect of described push broach bar, described straight line stitching instrument cutter sweep also comprises safety piece relatively-stationary with described nail bin, described cutting knife comprises the slot with described safety piece adaptation, and the support division be formed at above described slot, described safety piece can coordinate with described slot the motion limiting described cutting knife, the roof of described support division can offset to stop described safety piece to be engaged in described slot with described safety piece, wherein, when described cutting knife is positioned at the near-end of described nail bin, described safety piece selectively can be engaged in described slot or with the roof of described support division and be offseted, and the slot on it can coordinate with described safety piece by described cutting knife on the direction of proximally moving from the far-end of described nail bin.
As a further improvement on the present invention, described support division proximally extends from the far-end of described cutting knife, and jointly limits a socket with described slot, and described safety piece can be engaged in described slot from described socket.
As a further improvement on the present invention, on the direction proximally extended from the far-end of described cutting knife, the distance between bottom the diapire of described support division and described slot increases gradually.
As a further improvement on the present invention, on the direction proximally extended from the far-end of described cutting knife, the thickness of described support division reduces gradually, and bottom the roof of described support division and described slot between distance remain unchanged.
As a further improvement on the present invention, described straight line stitching instrument cutter sweep also comprises the insurance broach shell being removably mounted on described nail bin near-end, described safety piece is arranged in described insurance broach shell, and the fore and aft axis of described safety piece is vertical with the fore and aft axis of described nail bin.
As a further improvement on the present invention, the interconnect walls that described insurance broach shell comprises two assembly walls respect to one another and is connected between described two assembly walls, described two assembly walls are respectively arranged with projection, and described nail bin is provided with the groove that can coordinate with described projection.
As a further improvement on the present invention, described a pair assembly wall is respectively arranged with the installing hole can planted for described safety piece, the roof that described installing hole compares described support division closes on the diapire of described nail bin more, described safety piece is by can deformation material obtain, and when the roof of described safety piece and described support division offsets, described safety piece is in and is forced to deformed state.
As a further improvement on the present invention, the distance between described installing hole and described nail bin diapire is more than or equal to the distance bottom described slot and between described nail bin diapire.
As a further improvement on the present invention, described socket is closed in described slot a sidewall, distance between the top of described sidewall and described nail bin diapire is greater than the distance between described installing hole and described nail bin diapire, described slot is closed between a sidewall of described socket and the near-end of described cutting knife and is provided with guidance part, and the distance between the near-end of described guidance part and described nail bin diapire is less than the distance between described installing hole and described nail bin diapire.
As a further improvement on the present invention, on the direction that the far-end of described cutting knife proximally extends, the distance between described guidance part and described nail bin diapire reduces gradually.
Compared with prior art, straight line stitching instrument cutter sweep provided by the invention is by the safety piece of special setting and coordinating of cutting knife, during installation, the roof of safety piece and cutting knife support division is offseted, safety piece can not fall into the slot below support division, cutting knife and percussion sheet can distally move seaming and cutting process from the near-end of nail bin, and, when cutting knife is pulled, can match with safety piece in slot on it, the motion of safety piece and then restriction cutting knife, prevents when not changing nail bin, apparatus is pulled the trigger by secondary, avoids the generation of malpractice.
Accompanying drawing explanation
Fig. 1 is the structural representation of straight line stitching instrument cutter sweep one embodiment of the present invention;
Fig. 2 is the decomposing schematic representation of straight line stitching instrument cutter sweep one embodiment of the present invention;
Fig. 3 is the structural representation of cutting knife in straight line stitching instrument cutter sweep one embodiment of the present invention;
Fig. 4 is structural representation when cutting knife is not pulled the trigger in straight line stitching instrument cutter sweep one embodiment of the present invention;
Fig. 5 is the sectional view in A-A direction in Fig. 4;
Fig. 6 is the sectional view in B-B direction in Fig. 4;
Fig. 7, after cutting knife is pulled the trigger in straight line stitching instrument cutter sweep one embodiment of the present invention, is drawn back into the structural representation of nail bin near-end;
Fig. 8 is the sectional view in A-A direction in Fig. 6.
Detailed description of the invention
Describe the present invention below with reference to detailed description of the invention shown in the drawings.But these embodiments do not limit the present invention, the structure that those of ordinary skill in the art makes according to these embodiments, method or conversion functionally are all included in protection scope of the present invention.
Expression position described in the present invention and the word in direction are all using exercises on apparatus author as reference, and be near-end near one end of operator, the one end away from operator is far-end.
Ginseng Fig. 1 and Fig. 2, introduces a detailed description of the invention of straight line stitching instrument cutter sweep 100 of the present invention.In the present embodiment, this straight line stitching instrument cutter sweep 100 comprises the upper and lower clamp 101,102 that can close mutually or open.It should be noted that, mentioned here " on ", D score do not represent absolute differentiation relation on position, and is only used to the convenience that describes.
Upper clamp 101 comprises nail anvil 50, and lower clamp 102 comprises nail bin frame 103, and this nail bin frame 103 is removably provided with nail bin 10, upper and lower clamp 101,102 can close toward each other with by target tissue held between nail anvil 50 and nail bin 10.Also be provided with push broach bar (not shown) in nail bin frame 103 movably and be placed in the cutting knife 20 of push broach bar far-end, cutting knife 20 can under the effect of push broach bar from the near-end N of nail bin 10 distally F motion with from the disconnected destination organization be placed between nail anvil 50 and nail bin 10.
In present embodiment, this straight line stitching instrument cutter sweep 100 also comprises the safety piece 30 that be fixedly installed relative to nail bin 10, and the fore and aft axis of this safety piece 30 is vertical with the fore and aft axis of nail bin 10 to be arranged.Particularly, straight line stitching instrument cutter sweep 100 has the insurance broach shell 40 that is removably mounted on nail bin 10 near-end N, the interconnect walls 42 that this insurance broach shell 40 comprises two assembly walls 41 respect to one another and is connected between two assembly walls 41, this a pair assembly wall 41 is respectively arranged with the installing hole 411 can planted for safety piece 30, the two ends of safety piece 30 coordinate to be fixed on the installing hole 411 on a pair assembly wall 41 respectively to be insured in broach shell 40.Two assembly walls 41 are also respectively arranged with projection 412, nail bin 10 is provided with the groove 11 that can coordinate with projection 412, insurance broach shell 40 is by can deformation material obtain, during installation, by applying relative active force to two assembly walls 41, can the projection 412 on insurance broach shell 40 be engaged in groove 11, so that insurance broach shell 40 and nail bin 10 are fixed to one another.It should be noted that, mode safety piece 30 and nail bin 10 are fixed to one another by " projection and groove " mentioned here is only exemplarily, in the embodiment of more replacements, also can be such as that groove is set on insurance broach shell 40, and projection is set on nail bin 10 to reach same fixation.
Cutting knife 20 comprises the slot 21 with safety piece 30 adaptation, when safety piece 30 is engaged in this slot 21, namely the motion of cutting knife 20 is also restricted, the motion of cutting knife " restriction " mentioned here refers to that cutting knife 20 can not be pulled the trigger and carry out the cutting organized, and not cutting knife 20 needs to be clamped completely fixing.Be formed with a support division 22 above slot 21, the roof of this support division 22 can offset to stop safety piece 30 to be engaged in slot 21 with safety piece 30.When cutting knife 20 is positioned at the near-end N of nail bin 10, safety piece 30 selectively can be engaged in slot 21 or be offseted with the roof of support division 22, like this, if nail bin 10 is not used, safety piece 30 can be set up the roof supported at support division 22, doctor can pull the trigger the seaming and cutting that apparatus completes destination organization, and if desired change nail bin 10 or nail bin 10 by after percussion, then matched with the slot 21 on cutting knife 20 by safety piece 30, now apparatus can not be pulled the trigger, and plays secondary fuse effect.
As preferred embodiment, can match with safety piece 30 in the slot 21 on it by cutting knife 20 on the far-end F direction that proximally N moves from nail bin 10.Because apparatus is pulled the trigger once, cutting knife needs to be retracted by the far-end F from nail bin 10, and when cutting knife 20 is drawn back into the near-end N of nail bin, safety piece 30 enters in the slot 21 of cutting knife 20, thus play the safety effect of anti-secondary percussion, more adapt to actual operational requirements.
Coordinate with reference to Fig. 3 to Fig. 6, in concrete structure: support division 22 from the far-end F1 proximally N1 extension of cutting knife 20, and limits a socket 212 jointly with slot 21, and safety piece 30 can be engaged in slot 21 from socket 212.The roof that installing hole 411 compares support division 22 closes on the diapire of nail bin 10 more, and safety piece 30 is by can deformation material obtain, and when safety piece 30 offsets with the roof of support division 22, safety piece 30 is in and is forced to deformed state.Slot 21 distance of closing between the top of a sidewall 211 of socket 212 and the diapire of nail bin 10 is greater than the distance between installing hole 411 and nail bin 10 diapire, and, this slot 21 is closed between a sidewall 211 of socket 212 and the near-end N1 of cutting knife 20 and is also provided with guidance part 23, and the distance between the near-end of this guidance part 23 and nail bin 10 diapire is less than the distance between installing hole 411 and nail bin 10 diapire.So, when from the far-end F of nail bin 10, proximally N's cutting knife 20 moves, safety piece 30 by the cooperation of this guidance part 23, can be engaged in slot 21 gradually, and then by sidewall 211 restriction site that slot 21 and socket 212 close on, realizes the effect of anti-secondary percussion.
As preferred embodiment, distance between installing hole 411 and nail bin 10 diapire is more than or equal to bottom slot 21 and distance between nail bin 10 diapire, and on the far-end F1 direction that proximally N1 extends of cutting knife 20, distance between guide portion 23 and nail bin 10 diapire reduces gradually, with to safety piece 30 preferably guiding function; Meanwhile, in the direction in which, the distance between bottom the diapire of support division 22 and slot 21 increases gradually.Preferably, in the direction in which, the thickness of support division 22 reduces gradually, but the distance between bottom the roof of support division 22 and slot 21 remains unchanged, like this when apparatus is pulled the trigger, comparatively stable percussion guiding can be had, resistance can not be formed to the conduct route of cutting knife 20.
In above-mentioned embodiment, safety piece 30 is in a thin shell fragment shape, and it can more easily be bent in a thickness direction, to adapt to the design requirement of straight line stitching instrument cutter sweep of the present invention.
Coordinate with reference to Fig. 7 and Fig. 8, during concrete use: first safety piece 30 is planted and be fixed in insurance broach shell 40, and near-end N cutting knife 20 is installed on nail bin 10, subsequently, insurance broach shell 40 and nail bin 10 are fastened, now safety piece 30 offsets with the support division 22 of cutting knife 20, and safety piece 30 is forced to upwards bend deformation; After percussion apparatus drives cutting knife 20 to move, safety piece 30 stretches under the effect of selfer power; After the process of a cutting and stitching terminates, by cutting knife 20 from the far-end F of nail bin 10 proximally N retract, safety piece 30 fits into gradually in slot 21 under the guiding of the guidance part 23 of cutting knife 20, and what realize cutting knife 20 is spacing, prevents apparatus from being pulled the trigger by secondary.
Straight line stitching instrument cutter sweep provided by the invention is by the safety piece of special setting and coordinating of cutting knife, and can prevent when not changing nail bin, apparatus is pulled the trigger by secondary, avoids the generation of malpractice, and its structure is simple, uses easy to operate.
Be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for feasibility embodiment of the present invention; they are also not used to limit the scope of the invention, all do not depart from the skill of the present invention equivalent implementations done of spirit or change all should be included within protection scope of the present invention.
Claims (10)
1. a straight line stitching instrument cutter sweep, comprise can close mutually or open upper, lower clamp, described upper clamp comprises nail anvil, described lower clamp comprises nail bin frame, described nail bin frame is removably provided with nail bin, be provided with push broach bar in described nail bin frame movably and be placed in the cutting knife of push broach bar far-end, described cutting knife can distally move with from the disconnected destination organization be placed between described nail anvil and nail bin from described nail bin near-end under the effect of described push broach bar, it is characterized in that, described straight line stitching instrument cutter sweep also comprises safety piece relatively-stationary with described nail bin, described cutting knife comprises the slot with described safety piece adaptation, and the support division be formed at above described slot, described safety piece can coordinate with described slot the motion limiting described cutting knife, the roof of described support division can offset to stop described safety piece to be engaged in described slot with described safety piece, wherein, when described cutting knife is positioned at the near-end of described nail bin, described safety piece selectively can be engaged in described slot or with the roof of described support division and be offseted, and the slot on it can coordinate with described safety piece by described cutting knife on the direction of proximally moving from the far-end of described nail bin.
2. straight line stitching instrument cutter sweep according to claim 1, is characterized in that, described support division proximally extends from the far-end of described cutting knife, and jointly limits a socket with described slot, and described safety piece can be engaged in described slot from described socket.
3. straight line stitching instrument cutter sweep according to claim 2, is characterized in that, on the direction proximally extended from the far-end of described cutting knife, the distance between bottom the diapire of described support division and described slot increases gradually.
4. straight line stitching instrument cutter sweep according to claim 3, it is characterized in that, on the direction proximally extended from the far-end of described cutting knife, the thickness of described support division reduces gradually, and bottom the roof of described support division and described slot between distance remain unchanged.
5. straight line stitching instrument cutter sweep according to claim 2, it is characterized in that, described straight line stitching instrument cutter sweep also comprises the insurance broach shell being removably mounted on described nail bin near-end, described safety piece is arranged in described insurance broach shell, and the fore and aft axis of described safety piece is vertical with the fore and aft axis of described nail bin.
6. straight line stitching instrument cutter sweep according to claim 5, it is characterized in that, the interconnect walls that described insurance broach shell comprises two assembly walls respect to one another and is connected between described two assembly walls, described two assembly walls are respectively arranged with projection, and described nail bin is provided with the groove that can coordinate with described projection.
7. straight line stitching instrument cutter sweep according to claim 6, it is characterized in that, described a pair assembly wall is respectively arranged with the installing hole can planted for described safety piece, the roof that described installing hole compares described support division closes on the diapire of described nail bin more, described safety piece is by can deformation material obtain, and when the roof of described safety piece and described support division offsets, described safety piece is in and is forced to deformed state.
8. straight line stitching instrument cutter sweep according to claim 7, is characterized in that, the distance between described installing hole and described nail bin diapire is more than or equal to the distance bottom described slot and between described nail bin diapire.
9. straight line stitching instrument cutter sweep according to claim 7, it is characterized in that, described socket is closed in described slot a sidewall, distance between the top of described sidewall and described nail bin diapire is greater than the distance between described installing hole and described nail bin diapire, described slot is closed between a sidewall of described socket and the near-end of described cutting knife and is provided with guidance part, and the distance between the near-end of described guidance part and described nail bin diapire is less than the distance between described installing hole and described nail bin diapire.
10. straight line stitching instrument cutter sweep according to claim 9, is characterized in that, on the direction that the far-end of described cutting knife proximally extends, the distance between described guidance part and described nail bin diapire reduces gradually.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310749269.5A CN103720499B (en) | 2013-12-31 | 2013-12-31 | Straight line stitching instrument cutter sweep |
| US15/108,896 US10265070B2 (en) | 2013-12-31 | 2014-12-26 | Linear cutting stapler |
| JP2016542761A JP6328250B2 (en) | 2013-12-31 | 2014-12-26 | Straight suture cutting device |
| ES14877249T ES2824426T3 (en) | 2013-12-31 | 2014-12-26 | Linear cutting stapler |
| EP14877249.4A EP3090690B1 (en) | 2013-12-31 | 2014-12-26 | Linear cutting stapler |
| PCT/CN2014/095149 WO2015101226A1 (en) | 2013-12-31 | 2014-12-26 | Linear stapling and severing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310749269.5A CN103720499B (en) | 2013-12-31 | 2013-12-31 | Straight line stitching instrument cutter sweep |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103720499A CN103720499A (en) | 2014-04-16 |
| CN103720499B true CN103720499B (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310749269.5A Active CN103720499B (en) | 2013-12-31 | 2013-12-31 | Straight line stitching instrument cutter sweep |
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| Country | Link |
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| CN (1) | CN103720499B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3090690B1 (en) | 2013-12-31 | 2020-07-22 | Touchstone International Medical Science Co., Ltd. | Linear cutting stapler |
| CN110680437B (en) * | 2014-05-15 | 2023-01-31 | 柯惠Lp公司 | Surgical fastener applying apparatus |
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| CN203634231U (en) * | 2013-12-31 | 2014-06-11 | 苏州天臣国际医疗科技有限公司 | Linear suture cutting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4569346A (en) * | 1983-03-30 | 1986-02-11 | United States Surgical Corporation | Safety apparatus for surgical occluding and cutting device |
| US4809898A (en) * | 1986-03-12 | 1989-03-07 | Hilti Aktiengesellschaft | Explosive charge operated tool for fastening elements |
| US4955959A (en) * | 1989-05-26 | 1990-09-11 | United States Surgical Corporation | Locking mechanism for a surgical fastening apparatus |
| US5129570A (en) * | 1990-11-30 | 1992-07-14 | Ethicon, Inc. | Surgical stapler |
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| CN103720499A (en) | 2014-04-16 |
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Address after: 215021 No. 278 Dongping Street, Suzhou Industrial Park, Jiangsu Province Patentee after: Tianchen International Medical Technology Co., Ltd Address before: 215021 science and Technology Plaza, Jinji Lake Road International Science and Technology Park, Suzhou Industrial Park, Jiangsu, 21A Patentee before: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE Co.,Ltd. |