CN103860222A - Linear suturing/cutting device - Google Patents
Linear suturing/cutting device Download PDFInfo
- Publication number
- CN103860222A CN103860222A CN201210595221.9A CN201210595221A CN103860222A CN 103860222 A CN103860222 A CN 103860222A CN 201210595221 A CN201210595221 A CN 201210595221A CN 103860222 A CN103860222 A CN 103860222A
- Authority
- CN
- China
- Prior art keywords
- nail
- safety block
- nail bin
- cutting knife
- push broach
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/0023—Surgical instruments, devices or methods, e.g. tourniquets disposable
-
- 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
- A61B2017/07214—Stapler heads
- A61B2017/07285—Stapler heads characterised by its cutter
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0814—Preventing re-use
Abstract
The invention discloses a linear suturing/cutting device, comprising a body, a nail cartridge frame and a nail anvil, wherein a nail cartridge is arranged on the nail cartridge frame; the nail anvil is connected with the nail cartridge frame in a pivot way; a cutter pushing rod pushes a cutter and a trigger block to move; a boss playing a role in insuring is arranged on the nail cartridge frame; an insuring block is arranged on the cutter in the pivot way; an elastic piece is arranged between the insuring block and the cutter; in a state of no external force, the elastic piece drives the insuring block to incline; at least one shoulder is arranged on the insuring block; the shoulders are arranged on the end face of the insuring block in a protruding way; when the cutter pushing rod pushes the cutter to move, the boss is located in the moving direction of the shoulders of the inclined insuring block; therefore the shoulders are withstood by the boss. The linear suturing/cutting device has the main beneficial effects of effectively preventing a doctor from implementing next operation under the circumstance of not replacing the triggered nail cartridge, preventing medical incidents from occurring and being simple and effective in structure.
Description
Technical field
The present invention relates to a kind of surgery instrument, especially a kind of straight line stitching instrument cutter sweep with secondary fuse mechanism, belongs to technical field of medical instruments.
Background technology
Surgical operation is widely used in wound suture, interior tissue stitching and cutting with straight line stitching instrument cutter sweep.Surgical operation is developed so far, and has more and more tended to Minimally Invasive Surgery.Broad sense, the operation that can reduce wound is all called Minimally Invasive Surgery; Narrow sense, Minimally Invasive Surgery refers to the operation of carrying out at Microendoscopic.General of the operation that Microendoscopic carries out need to be opened several apertures on patient's health, and excision, suture tissue and auxiliary apparatus are stretched in patient body and performed the operation from aperture.The wound that Minimally Invasive Surgery brings to patient is little, and patient can recover in a short period of time, and therefore Minimally Invasive Surgery is more and more subject to people's attention.
U.S. Pat 7753246 has disclosed a kind of straight line stitching instrument cutter sweep for Minimally Invasive Surgery, comprise an instrument body, described instrument body comprises that housing and a pivot be located at the percussion handle on housing, in this housing, be provided with a relatively-movable percussion push rod, described percussion push rod can promote to be positioned at the nail-head component of housing front end and sew up and excise.Concrete, described nail-head component comprises a nail bin frame, and one and the pivotally connected nail anvil of nail bin frame.On described nail bin frame, be removably provided with nail bin, nail bin be provided with in one group, be provided with pushing slice of nail, anastomosis staple put nail hole, what be generally 4 rows or 6 rows puts nail hole.Described nail anvil is being provided with nail forming tank with described putting on relative position, nail hole.Described nail-head component also comprise in an adapter that is arranged on movably nail-head component, with the push broach bar that percussion push rod connects, the far-end of described push broach bar is fixed an I shape cutting knife, this I shape cutting knife in the process of advancing by nail bin and nail anvil closure.The distal center of described cutting knife is provided with blade, and it cuts off the tissue being positioned between nail bin and nail anvil in the process of advancing.The blade both sides of described I shape cutting knife are provided with percussion piece, and in the process of advancing at I shape cutting knife, I shape cutter driving percussion piece is pushed out of pushing slice of nail outside nail bin successively, and then pushing slice of nail is pushed out of anastomosis staple outside nail bin and orders and close organizationally.In prior art, doctor completes after above-mentioned seaming and cutting action, first needs apparatus to reset, and then changes 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 do not change the nail bin of having pulled the trigger, carry out on seaming and cutting operation once, can cause like this generation of malpractice, carried out excision and but do not sewed up.In order to prevent the generation of this type of accident, prior art has proposed the theory of the anti-secondary percussion of secondary fuse,, in the case of not changing the nail bin of having pulled the trigger, pulls the trigger handle and can not be pressed.Like this, fundamentally prevent the malpractice producing due to doctor's maloperation.
U.S. Pat 5485947 discloses Liao Liangzhong secondary fuse mechanism.In the first mechanism, nail bin is provided with a chute, is provided with slidably a flexure strip in this chute.When original state, it is outer and by upwards jack-up of push broach bar that this flexure strip stretches out in described chute, and the projection being now positioned on breach and the nail bin of push broach bar near-end is separated from each other, and guarantees that described push broach bar can be pushed.In the time that push broach bar moves to far-end, described push broach bar is pushed into flexure strip in described chute, and the height of this push broach bar declines.After described push broach bar is resetted, described projection is just stuck in the breach of push broach bar, and this push broach bar cannot be moved again, has played the effect of secondary fuse.The principle of the second mechanism and the first mechanism are similar, and a pivot member is replaced to flexure strip.When original state, pivot member is lifted push broach bar, makes the breach on push broach bar avoid the projection on nail bin.After described push broach bar is resetted, pivot member upset, declines the height of push broach bar, and described projection is just stuck in the breach of push broach bar, and described push broach bar cannot be moved again, has played the effect of secondary fuse.
In prior art, because the parts that relate to are very little, and be all assemblied in nail bin, cause straight line stitching instrument cutter sweep to be produced and assembling difficulty.
Summary of the invention
Object of the present invention: the straight line stitching instrument cutter sweep that proposes a kind of secondary fuse mechanism with simple structure.
Object of the present invention, will be achieved by the following technical programs:
A kind of straight line stitching instrument cutter sweep, comprising: a body; One is arranged at the nail bin frame of described body distal end; On described nail bin frame, be removably provided with nail bin, described nail bin be provided with in several, be provided with pushing slice of nail, anastomosis staple put nail hole, be arranged in the chute of described nail bin for promoting the percussion piece of described pushing slice of nail; One nail anvil pivotally connected with described nail bin frame; One for connecting the adapter of described body and nail bin frame, is provided with movably a push broach bar and is placed in the cutting knife of described push broach bar far-end in described adapter, and described push broach bar promotes described percussion piece and moves; Described nail bin frame is provided with the boss of safety effect together; Described cutting knife head lamp brush guard pivot is provided with a safety block, between described safety block and cutting knife, be provided with an elastic component, be not subject under external force state, described elastic component orders about described safety block and tilts, described safety block is provided with at least one convex shoulder, and described convex shoulder is convexly set on the end face of described safety block; In the time that described push broach bar promotes described cutting knife and moves, described boss is positioned on the moving direction of convex shoulder of the safety block of described inclination, and described convex shoulder is kept out by described boss.
Preferably, the far-end of described safety block is a lozenges, and when described cutting knife moves, the active force that lozenges is subject to described percussion piece makes described safety block pivot rotate then.
Preferably, described safety block is arranged on cutting knife by a bearing pin pivot, and described elastic component is torsion spring, and described torsion spring is wire-wrapped on described bearing pin.
Preferably, described elastic component is the shell fragment being arranged between described safety block and cutting knife.
Preferably, described safety block is provided with two convex shoulders, is convexly set in respectively on two end faces of described safety block.
Beneficial effect of the present invention is mainly reflected in: effectively prevent doctor in the case of do not change the nail bin of having pulled the trigger, carry out on operation once, avoid the generation of malpractice, simple in structure effectively.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that is located at the nail bin frame in adapter of the preferred embodiment of the present invention.
Fig. 2 is the cutaway view along A-A in Fig. 1.
Fig. 3 is the enlarged drawing of A part in Fig. 2.
Fig. 4 is the cutaway view along B-B in Fig. 1.
Fig. 5 is the enlarged drawing of B part in Fig. 4.
Fig. 6 is the schematic perspective view that is located at the nail bin frame in adapter of the preferred embodiment of the present invention.
Fig. 7 is the enlarged drawing of C part in Fig. 6.
Fig. 8 is the front view of the nail-head component of the preferred embodiment of the present invention, and nail bin is not now installed, first insurance.
Fig. 9 is the enlarged drawing of D part in Fig. 8.
Figure 10 is the front view of the nail-head component of the preferred embodiment of the present invention, and nail bin is now installed, and promotes push broach bar.
Figure 11 is the enlarged drawing of E part in Figure 10.
Figure 12 is the front view of the nail-head component of the preferred embodiment of the present invention, now continues to promote push broach bar, arming.
Figure 13 is the enlarged drawing of F part in Figure 12.
Figure 14 is the front view of the nail-head component of the preferred embodiment of the present invention, now pull the trigger complete, secondary fuse.
Wherein: 1, nail bin frame; 11, boss; 2, nail anvil; 3, nail bin; 4, take over; 5, percussion piece; 6, push broach bar; 7, cutting knife; 8, safety block; 81, convex shoulder; 82, lozenges; 9, bearing pin; 10, elastic component.
The specific embodiment
The present invention has disclosed a kind of straight line stitching instrument cutter sweep for Minimally Invasive Surgery, as shown in Figures 1 to 5, consistent with prior art, comprising: a housing, is positioned at the adapter 4 of housing far-end.The far-end of described adapter 4 is nail-head component, comprising: a nail bin frame 1 and one and the pivotally connected nail anvil 2 of described nail bin frame 1.On described nail bin frame 1, be removably provided with nail bin 3, described nail bin 3 be provided with in one group, be provided with pushing slice of nail, anastomosis staple put nail hole; Be arranged in the chute of described nail bin 3 for the percussion piece 5 that promotes described pushing slice of nail.
In described adapter 4, be provided with movably a push broach bar 6; The far-end of described push broach bar 6 is fixed a cutting knife 7, on described cutting knife 7, has projection, is I shape, described I shape cutting knife 7 in the process of advancing first compressing tissue make to expand organize attenuation and evenly, thereby further by nail bin 3 and nail anvil 2 closures; The distal center of described I shape cutting knife 7 is provided with blade, described push broach bar 6 promotes cutting knife 7 this blade in the process of advancing the tissue being positioned between nail bin 3 and nail anvil 2 is cut off, and described push broach bar 6 promotes described percussion piece 5 pushing slice of nail is pushed out of outside nail bin 3 successively in the process of advancing, and then pushing slice of nail is pushed out of anastomosis staple outside nail bin 3 and orders and close organizationally.
Feature of the present invention is: described nail bin frame 1 is provided with the boss 11 of safety effect together; Described cutting knife 7 head lamp brush guard pivots are provided with a safety block 8, are provided with an elastic component 10 between described safety block 8 and cutting knife 7, be not subject under external force state, and described elastic component 10 orders about described safety block 8 and tilts, and in Fig. 2, tilt clockwise for occurring.
In this preferred embodiment, described safety block 8 is provided with two convex shoulders 81, is convexly set in respectively on two end faces of described safety block 8.In the time that described push broach bar 6 promotes described cutting knife 7 and moves, described boss 11 is positioned on the moving direction of convex shoulder 81 of the safety block 8 of described inclination, makes described convex shoulder 81 and described boss 11 interferences, and then plays safety effect.Certainly, if be provided with a convex shoulder 81 on any end face of safety block 8, as long as itself and 11 interferences of described boss can be played safety effect equally.
Described safety block 8 is arranged on cutting knife 7 by bearing pin 9 pivots, and described elastic component 10 can be torsion spring, and described torsion spring is wire-wrapped on described bearing pin 9.Certainly, described elastic component 10 also can be the shell fragment being arranged between described safety block 8 and cutting knife 7.
Simply introduce some work process of the present invention below.
As shown in Fig. 6 to 9, in the time that the nail-head component of the preferred embodiment of the present invention is not installed nail bin 3, described push broach bar 6 promotes described cutting knife 7 and moves, because safety block 8 is subject to the active force of elastic component 10, relative cutting knife 7 tilts, its convex shoulder 81 is kept out by described boss 11, be that described boss 11 is arranged in the advance route of convex shoulder 81, described safety block 8 can not be moved to far-end along straight line, and then push broach bar 6 can not be moved.Like this, the preferred embodiment of the present invention is in a safety position.
When loading onto after nail bin 3, as shown in Figure 10 and Figure 11, the far-end of described safety block 8 is to press close to percussion piece 5 in the process that moves to far-end along straight line at described safety block 8 of a lozenges 82.
When push broach bar 6 promotes further described cutting knife 7 and moves, as shown in Figure 12 and Figure 13, the drag effect that lozenges 82 is subject to described percussion piece 5 makes described safety block 8 overcome the elastic force of elastic component 10 and pivot occurs to rotate then, in figure for rotating counterclockwise.At this moment, the relative nail bin frame 1 in the position of convex shoulder 81 is raised, and it is away from the boss 11 on described nail bin frame 1.In the time that percussion piece 5 is adjacent to completely with safety block 8, in the process that convex shoulder 81 moves at it, can not interfere with boss 11, boss 11 has not been on the mobile alignment of convex shoulder 81.At this moment insurance is removed, and can pull the trigger this stitching cutter sweep.
As shown in figure 14, after preferred embodiment of the present invention percussion, described percussion piece 5 can be positioned at the far-end of described nail bin 3 and can not reset, the push broach bar of pulling back, in the time that cutting knife departs from percussion piece, described elastic component 10 can order about again described safety block 8 and tilt around described bearing pin 9.After described push broach bar 6 resets, the convex shoulder 81 on safety block 8 is kept out by described boss 11 again, only has the nail bin more renewing could remove this safety position, prevents from again pulling the trigger in the situation that not changing nail bin.
In the present invention, the word of described expression position and direction, is all using exercises on apparatus author as reference, is near-end near one end of operator, is far-end away from one end of operator.
The present invention still has numerous embodiments, and all employing equivalents or equivalent transformation and all technical schemes of forming, within all dropping on protection scope of the present invention.
Claims (5)
1. a straight line stitching instrument cutter sweep, comprising:
One body;
One is arranged at the nail bin frame (1) of described body distal end; On described nail bin frame (1), be removably provided with nail bin (3), described nail bin (3) be provided with in several, be provided with pushing slice of nail, anastomosis staple put nail hole, be arranged in the chute of described nail bin (3) for the percussion piece (5) that promotes described pushing slice of nail;
One nail anvil (2) pivotally connected with described nail bin frame (1);
One for connecting the adapter (4) of described body and nail bin frame, in described adapter (4), be provided with movably a push broach bar (6) and be placed in the cutting knife (7) of described push broach bar (6) far-end, it is mobile that described push broach bar (6) promotes described percussion piece (5);
It is characterized in that: described nail bin frame (1) is provided with the boss of safety effect (11) together;
Described cutting knife (7) head lamp brush guard pivot is provided with a safety block (8), between described safety block (8) and cutting knife (7), be provided with an elastic component (10), be not subject under external force state, described elastic component (10) orders about described safety block (8), described safety block (8) is provided with at least one convex shoulder (81), and described convex shoulder is convexly set on the end face of described safety block (8);
In the time that described push broach bar (6) promotes described cutting knife (7) movement, described boss (11) is positioned on the moving direction of convex shoulder (81) of the safety block (8) of described inclination, and described convex shoulder (81) is kept out by described boss (11).
2. a kind of straight line stitching instrument cutter sweep according to claim 1, it is characterized in that: the far-end of described safety block (8) is a lozenges (82), when described cutting knife (7) is mobile, the active force that lozenges (82) is subject to described percussion piece (5) makes described safety block (8) pivot rotate then.
3. a kind of straight line stitching instrument cutter sweep according to claim 1, it is characterized in that: described safety block (8) is arranged on cutting knife (7) by a bearing pin (9) pivot, described elastic component (10) is torsion spring, and described torsion spring is wire-wrapped on described bearing pin (9).
4. a kind of straight line stitching instrument cutter sweep according to claim 1, is characterized in that: described elastic component (10) is for being arranged on the shell fragment between described safety block (8) and cutting knife (7).
5. a kind of straight line stitching instrument cutter sweep according to claim 1, is characterized in that: described safety block (8) is provided with two convex shoulders (81), is convexly set in respectively on two end faces of described safety block (8).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210595221.9A CN103860222B (en) | 2012-12-18 | 2012-12-18 | A kind of straight line stitching instrument cutter sweep |
| PCT/CN2013/089081 WO2014094563A1 (en) | 2012-12-18 | 2013-12-11 | Straight stitching and cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210595221.9A CN103860222B (en) | 2012-12-18 | 2012-12-18 | A kind of straight line stitching instrument cutter sweep |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103860222A true CN103860222A (en) | 2014-06-18 |
| CN103860222B CN103860222B (en) | 2016-05-04 |
Family
ID=50899642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210595221.9A Active CN103860222B (en) | 2012-12-18 | 2012-12-18 | A kind of straight line stitching instrument cutter sweep |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103860222B (en) |
| WO (1) | WO2014094563A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016037529A1 (en) * | 2014-09-12 | 2016-03-17 | 瑞奇外科器械(中国)有限公司 | End effector and staple magazine assembly thereof, and surgical operation instrument |
| CN105395229B (en) * | 2014-09-12 | 2017-02-22 | 瑞奇外科器械(中国)有限公司 | End executor, nail box assembly thereof and surgical operating instrument |
| CN107802303A (en) * | 2017-10-31 | 2018-03-16 | 无锡贝恩外科器械有限公司 | Single suture hysteroscope stapler |
| WO2019114495A1 (en) * | 2017-12-14 | 2019-06-20 | 苏州天臣国际医疗科技有限公司 | Staple cartridge assembly and medical stapler using same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10588632B2 (en) * | 2016-12-21 | 2020-03-17 | Ethicon Llc | Surgical end effectors and firing members thereof |
| CN107890362A (en) * | 2017-02-28 | 2018-04-10 | 江苏风和医疗器材股份有限公司 | Surgical instruments |
| CN107348982B (en) * | 2017-07-14 | 2023-09-15 | 苏州朗特斯医疗科技有限公司 | Nail bin assembly with cutting knife |
| CN107307891B (en) * | 2017-07-28 | 2023-03-14 | 广西壮族自治区人民医院 | Purse-string suture cutting closer |
| CN109480941A (en) * | 2018-12-28 | 2019-03-19 | 江苏钱璟医疗器械有限公司 | Band blade anastomotic component under a kind of mirror |
| CN113616260B (en) * | 2021-08-24 | 2022-08-26 | 常州安康医疗器械有限公司 | Anastomat is with identical nail seat convenient to installation is dismantled |
| CN115054302B (en) * | 2022-06-23 | 2023-11-03 | 常州安康医疗器械有限公司 | Endoscopic cutting stapler assembly |
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| AU1176102A (en) * | 2000-10-13 | 2002-04-22 | Tyco Healthcare | Surgical fastener applying apparatus |
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| US5307976A (en) * | 1991-10-18 | 1994-05-03 | Ethicon, Inc. | Linear stapling mechanism with cutting means |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016037529A1 (en) * | 2014-09-12 | 2016-03-17 | 瑞奇外科器械(中国)有限公司 | End effector and staple magazine assembly thereof, and surgical operation instrument |
| CN105395229B (en) * | 2014-09-12 | 2017-02-22 | 瑞奇外科器械(中国)有限公司 | End executor, nail box assembly thereof and surgical operating instrument |
| US9737299B2 (en) | 2014-09-12 | 2017-08-22 | Reach Surgical Inc. | End effector, cartridge assembly thereof, and surgical instrument |
| CN107802303A (en) * | 2017-10-31 | 2018-03-16 | 无锡贝恩外科器械有限公司 | Single suture hysteroscope stapler |
| WO2019114495A1 (en) * | 2017-12-14 | 2019-06-20 | 苏州天臣国际医疗科技有限公司 | Staple cartridge assembly and medical stapler using same |
| US11337695B2 (en) | 2017-12-14 | 2022-05-24 | Touchstone International Medical Science Co., Ltd. | Staple cartridge assembly and medical stapler using the staple cartridge assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014094563A1 (en) | 2014-06-26 |
| CN103860222B (en) | 2016-05-04 |
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