CN103860222B - A kind of straight line stitching instrument cutter sweep - Google Patents
A kind of straight line stitching instrument cutter sweep Download PDFInfo
- Publication number
- CN103860222B CN103860222B CN201210595221.9A CN201210595221A CN103860222B CN 103860222 B CN103860222 B CN 103860222B CN 201210595221 A CN201210595221 A CN 201210595221A CN 103860222 B CN103860222 B CN 103860222B
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- Prior art keywords
- safety block
- nail bin
- cutting knife
- nail
- straight line
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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
- A61B17/068—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
-
- 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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention has disclosed a kind of straight line stitching instrument cutter sweep, comprising: body; Be arranged on the nail bin on nail bin frame, the nail anvil pivotally connected with nail bin frame, a push broach bar promotes cutting knife and percussion piece 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. 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.
Description
Technical field
The present invention relates to a kind of surgery instrument, especially a kind of straight line seam with secondary fuse mechanismClose cutter sweep, belong to technical field of medical instruments.
Background technology
Operation with straight line stitching instrument cutter sweep be widely used in wound suture, interior tissue sew up withCutting. Operation is developed so far, and has more and more tended to Minimally Invasive Surgery. Broad sense, canThe operation that reduces wound is all called Minimally Invasive Surgery; Narrow sense, Minimally Invasive Surgery refers at MicroendoscopicThe operation of row. General of the operation that Microendoscopic carries out need to be opened several apertures on patient's health,Excision, suture tissue and auxiliary apparatus are stretched in patient body and performed the operation from aperture. Wicresoft's handThe wound that art is brought to patient is little, and patient can recover in a short period of time, and therefore Minimally Invasive Surgery moreMore be subject to people's attention.
US Patent No. 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 housingHand, is provided with a relatively-movable percussion push rod in this housing, described percussion push rod can promote to be positioned atThe nail-head component of housing front end is sewed up and is excised. Concrete, described nail-head component comprises a nail binFrame, and one and the pivotally connected nail anvil of nail bin frame. On described nail bin frame, be removably provided with nail bin, nailStorehouse be provided with in one group, be provided with pushing slice of nail, anastomosis staple put nail hole, be generally 4 rows or 6 rows' the nail of puttingHole. Described nail anvil is being provided with nail forming tank with described putting on relative position, nail hole. Described nail-head componentAlso comprise push broach in an adapter that is arranged on movably nail-head component, that connect with percussion push rodBar, the far-end of described push broach bar is fixed an I shape cutting knife, and this I shape cutting knife is in the process of advancingBy nail bin and nail anvil closure. The distal center of described cutting knife is provided with blade, and it will in the process of advancingThe tissue being positioned between nail bin and nail anvil cuts off. The blade both sides of described I shape cutting knife are provided with percussion piece,In the process of advancing at I shape cutting knife, I shape cutter driving percussion piece is pushed out of pushing slice of nail successivelyOutside nail bin, 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 thatStraight 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 pull the trigger not changingIn the situation of nail bin, carry out seaming and cutting operation next time, can cause like this generation of malpractice, enterThe excision of having gone is not but sewed up. In order to prevent the generation of this type of accident, prior art has proposed secondary guarantorThe theory of the anti-secondary percussion in danger,, in the case of the nail bin that replacing has not been pulled the trigger, percussion handle can notPressed. Like this, fundamentally prevent the malpractice producing due to doctor's maloperation.
US Patent No. 5485947 discloses Liao Liangzhong secondary fuse mechanism. In the first mechanism, nail binBe provided with a chute, in this chute, be provided with slidably a flexure strip. When original state, this bulletProperty sheet to stretch out in described chute outer and by upwards jack-up of push broach bar, be now positioned at the breach of push broach bar near-endBe separated from each other with the projection on nail bin, guarantee that described push broach bar can be pushed. When push broach bar is to far-endWhen mobile, 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, makes this push broachBar cannot move again, has played the effect of secondary fuse. The principle of the second mechanism and the first machineStructure is similar, and a pivot member is replaced to flexure strip. When original state, pivot member is lifted push broach bar,Make the breach on push broach bar avoid the projection on nail bin. After described push broach bar is resetted, pivot member is turned overTurn, the height of push broach bar is declined, described projection is just stuck in the breach of push broach bar, described in makingPush broach bar cannot move 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 straightSuturing with thread management cutter sweep is produced and assembling difficulty.
Summary of the invention
Object of the present invention: the straight line stitching instrument that proposes a kind of secondary fuse mechanism with simple structure is cutCut device.
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 of described body distal endStorehouse frame; On described nail bin frame, be removably provided with nail bin, described nail bin is provided with in several and is provided with and pushes awayNail sheet, anastomosis staple put nail hole, be arranged at described nail bin for promoting the percussion piece of described pushing slice of nailIn chute; One nail anvil pivotally connected with described nail bin frame; One for connecting described body and nail bin frameAdapter, in described adapter, be provided with movably a push broach bar and be placed in cutting of described push broach bar far-endCutter, described push broach bar promotes described percussion piece and moves; Described nail bin frame is provided with safety effect togetherBoss; Described cutting knife head lamp brush guard pivot is provided with a safety block, is provided with an elasticity between described safety block and cutting knifePart, be not subject under external force state, and described elastic component orders about described safety block and tilts, on described safety blockBe provided with at least one convex shoulder, described convex shoulder is convexly set on the end face of described safety block; When described push broach barWhen promoting described cutting knife and moving, described boss is positioned at the moving direction of the convex shoulder of the safety block of described inclinationUpper, 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, lozenges is subject toThen make described safety block pivot rotate to the active force of described percussion piece.
Preferably, described safety block is arranged on cutting knife by a bearing pin pivot, and described elastic component is for turning roundSpring, 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 two of described safety blockOn end face.
Beneficial effect of the present invention is mainly reflected in: effectively prevent that doctor from not changing the nail bin of having pulled the triggerSituation under carry out operation next time, avoid the generation of malpractice, simple in structure effectively.
Brief description of the drawings
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, nail bin is not now installed, headInferior 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, andPromote 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 broachBar, 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, twoInferior insurance.
Wherein: 1, nail bin frame; 11, boss; 2, nail anvil; 3, nail bin; 4, take over; 5, hitSend out piece; 6, push broach bar; 7, cutting knife; 8, safety block; 81, convex shoulder; 82, lozenges; 9, pinAxle; 10, elastic component.
Detailed description of the invention
The present invention has disclosed a kind of straight line stitching instrument cutter sweep for Minimally Invasive Surgery, as Fig. 1 to Fig. 5Shown in, consistent with prior art, comprising: a housing, is positioned at the adapter 4 of housing far-end. Described connecingPipe 4 far-end is nail-head component, comprising: a nail bin frame 1 and one and described nail bin frame 1 pivotally connectedNail anvil 2. On described nail bin frame 1, be removably provided with nail bin 3, described nail bin 3 is provided with one groupInside be provided with putting of pushing slice of nail, anastomosis staple and follow closely hole; Be arranged at for the percussion piece 5 that promotes described pushing slice of nailIn the chute of described nail bin 3.
In described adapter 4, be provided with movably a push broach bar 6; The far-end of described push broach bar 6 is fixedOne cutting knife 7, has projection on described cutting knife 7, is I shape, and described I shape cutting knife 7 is frontIn the process of entering first compressing tissue make to expand organize attenuation and evenly, thereby further by nail bin 3 HesNail anvil 2 closures; The distal center of described I shape cutting knife 7 is provided with blade, and described push broach bar 6 promotesCutting knife 7 this blade in the process of advancing cuts off the tissue being positioned between nail bin 3 and nail anvil 2, andDescribed push broach bar 6 promotes described percussion piece 5 pushing slice of nail is pushed out of to nail bin successively in the process of advancingOutside 3, 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; InstituteState cutting knife 7 head lamp brush guard pivots and be provided with a safety block 8, between described safety block 8 and cutting knife 7, be provided with an elasticityPart 10, be not subject under external force state, and described elastic component 10 orders about described safety block 8 and tilts, Fig. 2In tilt clockwise for occurring.
In this preferred embodiment, described safety block 8 is provided with two convex shoulders 81, described in being convexly set in respectivelyOn two end faces of safety block 8. In the time that described push broach bar 6 promotes described cutting knife 7 and moves, described protrudingPlatform 11 is positioned on the moving direction of convex shoulder 81 of the safety block 8 of described inclination, makes described convex shoulder 81With described boss 11 interferences, and then play safety effect. Certainly, if appointing at safety block 8An end face is provided with a convex shoulder 81, as long as itself and 11 interferences of described boss can rise equallyTo safety effect.
Described safety block 8 is arranged on cutting knife 7 by bearing pin 9 pivots, and described elastic component 10 canThink torsion spring, described torsion spring is wire-wrapped on described bearing pin 9. Certainly, described elastic component 10 also can beBe arranged on the shell fragment between described safety block 8 and cutting knife 7.
Simply introduce some courses of work 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 effect of elastic component 10Power and relatively cutting knife 7 tilt, its convex shoulder 81 is kept out, i.e. described boss 11 by described boss 11Be 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 a wedgeIn the process that shape face 82 moves to far-end along straight line at described safety block 8, press close to percussion piece 5.
When push broach bar 6 promotes further described cutting knife 7 and moves, as shown in Figure 12 and Figure 13, wedgeThe drag effect that shape face 82 is subject to described percussion piece 5 makes described safety block 8 overcome elastic component 10 thenElastic force and occur pivot rotate, in figure for rotating counterclockwise. At this moment, the position of convex shoulder 81 is relativeNail bin frame 1 is raised, and it is away from the boss 11 on described nail bin frame 1. When percussion piece 5 and safety block8 when be adjacent to completely, can not interfere with boss 11 i.e. boss in the process that convex shoulder 81 moves at it11 have not been on the mobile alignment of convex shoulder 81. At this moment insurance is removed, and can pull the trigger this stitchingCutter sweep.
As shown in figure 14, after preferred embodiment of the present invention percussion, described percussion piece 5 can positionCan not reset in the far-end of described nail bin 3, the push broach bar of pulling back, in the time that cutting knife departs from percussion piece, instituteStating elastic component 10 can order about again described safety block 8 and tilt around described bearing pin 9. When described push broachAfter bar 6 resets, the convex shoulder 81 on safety block 8 is kept out by described boss 11 again, only has moreThe nail bin renewing could be removed this safety position, prevents from again hitting in the situation that not changing nail binSend out.
In the present invention, the word of described expression position and direction, is all using exercises on apparatus author as ginsengAccording to, be near-end near one end of operator, be far-end away from one end of operator.
The present invention still has numerous embodiments, all employing equivalents or equivalent transformation and the institute that formsThere is technical scheme, 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) removablyBe provided with nail bin (3), described nail bin (3) is provided with and in several, is provided with putting of pushing slice of nail, anastomosis stapleNail hole, is 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, removable in described adapter (4)Be provided with a push broach bar (6) and be placed in the cutting knife (7) of described push broach bar (6) far-end, described in push awayIt is mobile that knife 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), described safety block (8) and cutting knife (7)Between be provided with an elastic component (10), be not subject under external force state, described elastic component (10) orders about instituteState safety block (8), described safety block (8) is provided with at least one convex shoulder (81), described inConvex 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 atOn the moving direction of the convex shoulder (81) of the safety block (8) of described inclination, make described convex shoulder (81)Kept out by described boss (11).
2. a kind of straight line stitching instrument cutter sweep according to claim 1, is characterized in that: instituteThe far-end of stating safety block (8) is a lozenges (82), when described cutting knife (7) is mobile, and lozenges(82) active force that 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, is characterized in that: instituteState safety block (8) and be arranged on cutting knife (7) above by a bearing pin (9) pivot, described elastic component (10)For torsion spring, 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: instituteState elastic component (10) 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: instituteState safety block (8) and be provided with two convex shoulders (81), be convexly set in respectively two of described safety block (8)On individual end face.
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 CN103860222A (en) | 2014-06-18 |
| CN103860222B true CN103860222B (en) | 2016-05-04 |
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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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107890362A (en) * | 2017-02-28 | 2018-04-10 | 江苏风和医疗器材股份有限公司 | Surgical instruments |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| US10610224B2 (en) * | 2016-12-21 | 2020-04-07 | Ethicon Llc | Lockout arrangements for surgical end effectors and replaceable tool assemblies |
| 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 |
| CN107802303B (en) * | 2017-10-31 | 2020-08-11 | 无锡贝恩外科器械有限公司 | Single suture endoscope anastomat |
| BR112020011917B1 (en) * | 2017-12-14 | 2023-10-10 | Touchstone International Medical Science Co., Ltd | MEDICAL STAPLE CARTRIDGE AND STAPLER SET |
| 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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| US5307976A (en) * | 1991-10-18 | 1994-05-03 | Ethicon, Inc. | Linear stapling mechanism with cutting means |
| CN101352362A (en) * | 2008-07-30 | 2009-01-28 | 翁志强 | Empty nail cabin self-locking device of straight line cutting anastomat |
| CN101991452A (en) * | 2010-12-10 | 2011-03-30 | 苏州天臣国际医疗科技有限公司 | Linear type surgical stapling apparatus |
| CN102058421A (en) * | 2010-12-16 | 2011-05-18 | 苏州天臣国际医疗科技有限公司 | Linear cutting and stitching instrument |
| CN202113110U (en) * | 2011-04-20 | 2012-01-18 | 苏州天臣国际医疗科技有限公司 | Linear cut stapler |
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| CN107890362A (en) * | 2017-02-28 | 2018-04-10 | 江苏风和医疗器材股份有限公司 | Surgical instruments |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103860222A (en) | 2014-06-18 |
| WO2014094563A1 (en) | 2014-06-26 |
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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, 1355 international science and Technology Park, Jinji Lake Avenue, Suzhou Industrial Park, Jiangsu, 3 21A Patentee before: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE Co.,Ltd. |
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