CN103720499A - Straight line sewing and cutting device - Google Patents
Straight line sewing and cutting device Download PDFInfo
- Publication number
- CN103720499A CN103720499A CN201310749269.5A CN201310749269A CN103720499A CN 103720499 A CN103720499 A CN 103720499A CN 201310749269 A CN201310749269 A CN 201310749269A CN 103720499 A CN103720499 A CN 103720499A
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- China
- Prior art keywords
- nail bin
- groove position
- straight line
- cutting knife
- safety piece
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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
The invention discloses a straight line sewing and cutting device which comprises an upper forceps clip and a lower forceps clip which can be mutually closed or opened. The upper forceps clip comprises a nail hammering block, the lower forceps clip comprises a nail storehouse frame, a nail storehouse is detachably arranged on the nail storehouse frame, a cutter pushing rod and a cutter arranged at the far end of the cutter pushing rod are movably arranged in the nail storehouse frame, under the effect of the cutter pushing rod, the cutter can move from the near end of the nail storehouse to the far end of the nail storehouse to break a target group between the nail hammering block and the nail storehouse, and the straight line sewing and cutting device further comprises an insurance part relatively and fixedly connected with the nail storehouse. The cutter comprises a groove position matched with the insurance part and an abutting part which is formed above the groove position. The insurance part can be matched with the groove position to limit movement of the cutter, the top wall of the abutting part can abut against the insurance part to stop the insurance part from being matched with the groove position, when the cutter is arranged at the near end of the nail storehouse, the insurance part can be selectively matched with the groove position or abut against the top wall of the abutting part, and the cutter enables the groove position to be matched with the insurance part in the direction of moving from the far end of the nail storehouse to the near end of the nail storehouse.
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 for wound suture, interior tissue, sewing up and cutting in surgical operation, typical Linear seam cutting device discloses as U.S. Pat 5129570, have and sew up and two functions of cutting, when carrying out wound suture, by unnecessary cutting tissue.Such Linear seam cutting device generally comprises upper and lower two clamps, and for the closed handle of the upper and lower clamp of closure, be oppositely arranged on nail anvil and the nail bin of upper and lower clamp far-end, be located at the push broach bar that the interior percussion sheet that also can move relative to described nail bin of nail bin and far-end are provided with cutting knife simultaneously, and the push button for driving described percussion sheet and push broach bar to move.In described nail bin, be disposed with suturing nail, described percussion sheet promotes in order successively pushing slice of nail and pushes suturing nail to nail anvil, and described cutting knife cuts off the tissue between nail bin and nail anvil.
In prior art, the nail bin of Linear seam cutting device be can change nonexpondable.When clinical use, often need to repeatedly sew up and cut and organize, therefore when operation, need to repeatedly change nail bin, be that doctor completes after seaming and cutting action, first after needing apparatus to reset, open upper and lower clamp, apparatus is exited to operative site, then change nail bin, so that straight line stitching instrument cutter sweep carries out seaming and cutting operation next time.
But due to some careless doctors or the doctor that lacks experience, can, in the case of not changing the action that again pull the trigger apparatus the nail bin of having pulled the trigger, can cause like this generation of malpractice, carry out excision and but do not sewed up.In order to prevent the generation of this type of accident, need in straight line stitching instrument cutter sweep, set up the insurance institution of the anti-secondary percussion of secondary fuse, with the malpractice of avoiding producing due to doctor's maloperation.
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 that apparatus from being pulled the trigger by secondary in the situation that not changing nail bin.
For achieving the above object, the invention provides a kind of straight line stitching instrument cutter sweep, comprise can be mutually closed or open upper, lower clamp, described upper clamp comprises nail anvil, described lower clamp comprises nail bin frame, on described nail bin frame, be removably provided with nail bin, in described nail bin frame, be provided with movably push broach bar and be placed in the cutting knife of push broach bar far-end, described cutting knife can be under the effect of described push broach bar from the near-end of described nail bin to distal movement with from the disconnected destination organization being placed between described nail anvil and nail bin, described straight line stitching instrument cutter sweep also comprises and the relatively-stationary safety piece of described nail bin, described cutting knife comprises the groove position with described safety piece adaptation, and be formed at the support division of described groove position top, described safety piece can coordinate to limit with described groove position the motion of described cutting knife, the roof of described support division can offset to stop described safety piece to be engaged in described groove position with described safety piece, wherein, when described cutting knife is positioned at the near-end of described nail bin, described safety piece can be selectively engaged in described groove position or with the roof of described support division and be offseted, and described cutting knife can coordinate the groove position on it at the far-end from described nail bin in the direction of near-end motion with described safety piece.
As a further improvement on the present invention, described support division from the far-end of described cutting knife to proximal extension, and with the common socket that limits in described groove position, described safety piece can be in described socket be engaged to described groove position.
As a further improvement on the present invention, from the far-end of described cutting knife in the direction of proximal extension, the distance between the diapire of described support division and bottom, described groove position increases gradually.
As a further improvement on the present invention, from the far-end of described cutting knife in the direction of proximal extension, the thickness of described support division reduces gradually, and the distance between the roof of described support division and bottom, described groove position remains unchanged.
As a further improvement on the present invention, described straight line stitching instrument cutter sweep also comprises the insurance broach shell that is 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 and the fore and aft axis of described nail bin vertical.
As a further improvement on the present invention, described insurance broach shell comprises two assembly walls respect to one another and is connected to the interconnect walls between described two assembly walls, on described two assembly walls, be respectively arranged with projection, described nail bin is provided with the groove that can coordinate with described projection.
As a further improvement on the present invention, on described a pair of assembly wall, be respectively arranged with the installing hole that can plant for described safety piece, the roof that described installing hole is compared described support division closes on the diapire of described nail bin more, described safety piece is by can deformation material making, and when the roof of described safety piece and described support division offsets, described safety piece is in being 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 between bottom, described groove position and described nail bin diapire.
As a further improvement on the present invention, described socket is closed in described groove position 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 groove position 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, at the far-end of described cutting knife, in the direction of proximal extension, 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 groove position of support division below, cutting knife and percussion sheet can be from the near-end of nail bin to distal movement to complete seaming and cutting process, and, when cutting knife is pulled, can match with safety piece in groove position on it, the motion of safety piece and then restriction cutting knife, prevents in the situation that not changing nail bin, apparatus is pulled the trigger by secondary, has avoided 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 by percussion in straight line stitching instrument cutter sweep one embodiment of the present invention;
Fig. 5 is the cutaway view of A-A direction in Fig. 4;
Fig. 6 is the cutaway view of B-B direction in Fig. 4;
Fig. 7 is after in straight line stitching instrument cutter sweep one embodiment of the present invention, cutting knife is pulled the trigger, and is drawn back into the structural representation of nail bin near-end;
Fig. 8 is the cutaway view of A-A direction in Fig. 6.
The specific embodiment
Below with reference to the specific embodiment shown in the drawings, describe the present invention.But these embodiments do not limit the present invention, the conversion in structure, method or function that those of ordinary skill in the art makes according to these embodiments is all included in protection scope of the present invention.
In the present invention, the word of described expression position and direction, is all using exercises on apparatus author as reference, near one end of operator, is near-end, away from one end of operator, is far-end.
Join Fig. 1 and Fig. 2, introduce a specific embodiment of straight line stitching instrument cutter sweep 100 of the present invention.In the present embodiment, this straight line stitching instrument cutter sweep 100 comprise can be mutually the closed or upper and lower clamp 101,102 opened.It should be noted that, here said " on ", D score do not represent locational absolute differentiation relation, and is only used to the convenience of describing.
In present embodiment, this straight line stitching instrument cutter sweep 100 also comprises the safety piece that be fixedly installed 30 relative to nail bin 10, the vertical setting of fore and aft axis of the fore and aft axis of this safety piece 30 and nail bin 10.Particularly, straight line stitching instrument cutter sweep 100 has an insurance broach shell 40 that is removably mounted on nail bin 10 near-end N, this insurance broach shell 40 comprises two assembly walls 41 respect to one another and is connected to the interconnect walls 42 between two assembly walls 41, on this pair of assembly wall 41, be respectively arranged with the installing hole 411 that can plant for safety piece 30, in the two ends of safety piece 30 coordinate to be fixed on insurance broach shell 40 with the installing hole 411 on a pair of assembly wall 41 respectively.On two assembly walls 41, be 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 making, during installation, by two assembly walls 41 are applied to relative active force, projection 412 on insurance broach shell 40 can 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, here the said mode that safety piece 30 and nail bin 10 are fixed to one another by " projection and groove " is only exemplarily, in the embodiment of more replacements, also can be for example, on insurance broach shell 40, groove is set, and projection is set on nail bin 10 to reach same fixation.
As preferred embodiment, cutting knife 20 can match the groove position 21 on it at the far-end F from nail bin 10 in the direction of near-end N motion with safety piece 30.Due to after apparatus pulled the trigger once, cutting knife need 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 groove position 21 of cutting knife 20, thereby the safety effect that plays anti-secondary percussion, adapts to actual operational requirements more.
Cooperation is with reference to Fig. 3 to Fig. 6, in concrete structure: support division 22 extends to near-end N1 from the far-end F1 of cutting knife 20, and jointly limits sockets 212 with groove position 21, and safety piece 30 can be in socket 212 be engaged to groove position 21.The roof that installing hole 411 is compared support division 22 closes on the diapire of nail bin 10 more, and safety piece 30 is by can deformation material making, and when safety piece 30 offsets with the roof of support division 22, safety piece 30 is in being forced to deformed state.The distance that groove position 21 is closed between the top of a sidewall 211 and the diapire of nail bin 10 of socket 212 is greater than the distance between installing hole 411 and nail bin 10 diapires, and, this groove position 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 diapires is less than the distance between installing hole 411 and nail bin 10 diapires.So, at cutting knife 20, when the far-end F of nail bin 10 moves to near-end N, safety piece 30 can pass through the cooperation of this guidance part 23, be engaged to gradually in groove position 21, and then sidewall 211 restriction sites that closed on by groove position 21 and socket 212, realize the effect of anti-secondary percussion.
As preferred embodiment, distance between installing hole 411 and nail bin 10 diapires is more than or equal to the distance between 21 bottoms, groove position and nail bin 10 diapires, and in the direction of extending to near-end N1 at the far-end F1 of cutting knife 20, distance between guide portion 23 and nail bin 10 diapires reduces gradually, with to preferably guiding function of 30 one of safety pieces; Meanwhile, the party upwards, the distance between the diapire of support division 22 and 21 bottoms, groove position increases gradually.Preferably, the party upwards, the thickness of support division 22 reduces gradually, but the distance between the roof of support division 22 and 21 bottoms, groove position remains unchanged, when apparatus is pulled the trigger, can there is comparatively stable percussion guiding like this, can not form resistance to the conduct route of cutting knife 20.
In above-mentioned embodiment, safety piece 30 is a thin shell fragment shape, and it can more easily be bent on thickness direction, to adapt to the design requirement of straight line stitching instrument cutter sweep of the present invention.
Cooperation is with reference to Fig. 7 and Fig. 8, during concrete use: first safety piece 30 is planted and is fixed in insurance broach shell 40, and cutting knife 20 is installed to the near-end N on nail bin 10, subsequently, to insure broach shell 40 fastens with nail bin 10, now safety piece 30 offsets with the support division 22 of cutting knife 20, and safety piece 30 is forced to upwards bend deformation; Percussion apparatus drives after cutting knife 20 moves, and safety piece 30 stretches under the effect of self restoring force; After the process of a cutting and stitching finishes, cutting knife 20 is retracted to near-end N from the far-end F of nail bin 10, safety piece 30 fits into gradually in groove position 21 under the guiding of the guidance part 23 of cutting knife 20, realizes spacing to cutting knife 20, prevents that apparatus from being pulled the trigger by secondary.
Straight line stitching instrument cutter sweep provided by the invention, by the safety piece of special setting and coordinating of cutting knife, can prevent that apparatus is pulled the trigger by secondary in the situation that not changing nail bin, has avoided the generation of malpractice, and it is simple in structure, uses easy to operate.
Be to be understood that, although this description is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should make description as a whole, technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.
Listed a series of detailed description is above only illustrating for feasibility embodiment of the present invention; they are not in order to limit the scope of the invention, all do not depart from the equivalent embodiment that skill spirit of the present invention does or change and all should be included in protection scope of the present invention within.
Claims (10)
1. a straight line stitching instrument cutter sweep, comprise can be mutually closed or open upper, lower clamp, described upper clamp comprises nail anvil, described lower clamp comprises nail bin frame, on described nail bin frame, be removably provided with nail bin, in described nail bin frame, be provided with movably push broach bar and be placed in the cutting knife of push broach bar far-end, described cutting knife can be under the effect of described push broach bar from described nail bin near-end to distal movement with from the disconnected destination organization being placed between described nail anvil and nail bin, it is characterized in that, described straight line stitching instrument cutter sweep also comprises and the relatively-stationary safety piece of described nail bin, described cutting knife comprises the groove position with described safety piece adaptation, and be formed at the support division of described groove position top, described safety piece can coordinate to limit with described groove position the motion of described cutting knife, the roof of described support division can offset to stop described safety piece to be engaged in described groove position with described safety piece, wherein, when described cutting knife is positioned at the near-end of described nail bin, described safety piece can be selectively engaged in described groove position or with the roof of described support division and be offseted, and described cutting knife can coordinate the groove position on it at the far-end from described nail bin in the direction of near-end motion with described safety piece.
2. straight line stitching instrument cutter sweep according to claim 1, is characterized in that, described support division from the far-end of described cutting knife to proximal extension, and with the common socket that limits in described groove position, described safety piece can be in described socket be engaged to described groove position.
3. straight line stitching instrument cutter sweep according to claim 2, is characterized in that, from the far-end of described cutting knife in the direction of proximal extension, the distance between the diapire of described support division and bottom, described groove position increases gradually.
4. straight line stitching instrument cutter sweep according to claim 3, it is characterized in that, from the far-end of described cutting knife in the direction of proximal extension, the thickness of described support division reduces gradually, and the distance between the roof of described support division and bottom, described groove position remains 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 that is 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 and the fore and aft axis of described nail bin vertical.
6. straight line stitching instrument cutter sweep according to claim 5, it is characterized in that, described insurance broach shell comprises two assembly walls respect to one another and is connected to the interconnect walls between described two assembly walls, on described two assembly walls, be respectively arranged with projection, 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, on described a pair of assembly wall, be respectively arranged with the installing hole that can plant for described safety piece, the roof that described installing hole is compared described support division closes on the diapire of described nail bin more, described safety piece is by can deformation material making, and when the roof of described safety piece and described support division offsets, described safety piece is in being 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 between bottom, described groove position and 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 groove position 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 groove position 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, at the far-end of described cutting knife, in the direction of proximal extension, 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 |
| ES14877249T ES2824426T3 (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 |
| JP2016542761A JP6328250B2 (en) | 2013-12-31 | 2014-12-26 | Straight suture cutting device |
| US15/108,896 US10265070B2 (en) | 2013-12-31 | 2014-12-26 | Linear cutting stapler |
| EP14877249.4A EP3090690B1 (en) | 2013-12-31 | 2014-12-26 | Linear cutting stapler |
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 true CN103720499A (en) | 2014-04-16 |
| CN103720499B CN103720499B (en) | 2016-02-17 |
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Family Applications (1)
| 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015101226A1 (en) * | 2013-12-31 | 2015-07-09 | 苏州天臣国际医疗科技有限公司 | Linear stapling and severing apparatus |
| CN106687052A (en) * | 2014-05-15 | 2017-05-17 | 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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| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015101226A1 (en) * | 2013-12-31 | 2015-07-09 | 苏州天臣国际医疗科技有限公司 | Linear stapling and severing apparatus |
| US10265070B2 (en) | 2013-12-31 | 2019-04-23 | Suzhou Touchstone International Medical Science Co., Ltd. | Linear cutting stapler |
| CN106687052A (en) * | 2014-05-15 | 2017-05-17 | 柯惠Lp公司 | Surgical fastener applying apparatus |
| CN106687052B (en) * | 2014-05-15 | 2019-12-10 | 柯惠Lp公司 | Surgical fastener applying apparatus |
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|---|---|
| CN103720499B (en) | 2016-02-17 |
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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. |
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