CN103860224A - Linear suturing and excising device - Google Patents
Linear suturing and excising device Download PDFInfo
- Publication number
- CN103860224A CN103860224A CN201210595224.2A CN201210595224A CN103860224A CN 103860224 A CN103860224 A CN 103860224A CN 201210595224 A CN201210595224 A CN 201210595224A CN 103860224 A CN103860224 A CN 103860224A
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- CN
- China
- Prior art keywords
- nail
- nail bin
- shell fragment
- push broach
- edge
- 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.)
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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
- A61B17/32—Surgical cutting instruments
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
-
- 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 and excising device, comprising a body, a staple cartridge rack, a knife pushing rod and an excising knife, wherein a staple cartridge is arranged on the staple cartridge rack, a cocking block is arranged in the staple cartridge, the knife pushing rod pushes the cocking block to move, the staple cartridge rack is provided with a boss playing a safety effect, the far end of the excising knife is provided with an elastic sheet which is fixedly connected with a stop dog, and the cocking block drives one side of the elastic sheet to move for enabling the stop dog to generate displacement vertical to the moving direction of the cocking block. The linear suturing and excising device has the beneficial effects that doctors are effectively prevented from performing the next operation under the condition that a cocked staple cartridge is not replaced, so that occurrence of medical negligence is avoided, and the structure is simple and effective.
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 anti-secondary firing lock of secondary fuse 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, the far-end of described cutting knife is provided with a shell fragment, the first side of described shell fragment is fixedly connected on described cutting knife, the Second Edge of described shell fragment is free state, on described Second Edge, be fixedly connected with a block, described percussion piece drives the Second Edge of described shell fragment to move, and makes described block produce the displacement perpendicular to described percussion piece moving direction.
Preferably, described block is arranged between first side and Second Edge.
Preferably, the first side of described shell fragment and the fillet of Second Edge comprise an inclined-plane.
Preferably, described shell fragment welds or is pasted on the far-end of described cutting knife.
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 perspective view that is located at the nail bin frame in adapter of the preferred embodiment of the present invention.
Fig. 2 is the enlarged drawing of A part in Fig. 1.
Fig. 3 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. 4 is the enlarged drawing of B part in Fig. 3.
Fig. 5 is the front view of the nail-head component of the preferred embodiment of the present invention, and nail bin is now installed.
Fig. 6 is the front view of the nail-head component of the preferred embodiment of the present invention, now promotes push broach bar.
Fig. 7 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.
Fig. 8 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, shell fragment; 81, first side; 82, Second Edge; 83, inclined-plane; 9, block.
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 4, 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, and the far-end of described cutting knife 7 is provided with a shell fragment 8, and the first side 81 of described shell fragment 8 is fixedly connected on described cutting knife 7, can weld or paste.The Second Edge 82 of described shell fragment 8 is free state, is fixedly connected with a block 9 on described Second Edge 82, and described percussion piece 5 drives the Second Edge 82 of described shell fragment 8 to move, and makes described block 9 produce the displacement perpendicular to described percussion piece 5 moving directions.Described block 9 is arranged between first side 81 and Second Edge 82.The first side 81 of described shell fragment 8 and the fillet of Second Edge 82 comprise an inclined-plane 83.
Simply introduce some work process of the present invention below.
As shown in Figure 3 and Figure 4, in the time that the nail-head component of the preferred embodiment of the present invention is not installed nail bin 3, described block 9 is interfered mutually with boss 11, and described boss is arranged in the advance route of block 9, described block 9 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 5, because nail bin 3 does not all contact with block 9 or shell fragment 8 with percussion piece 5, so the preferred embodiment of the present invention is also in safety position at present.
In the time that the preferred embodiment of the present invention is pulled the trigger, as shown in Figure 6, the inclined-plane 83 of described shell fragment 8 will touch percussion piece 5, and thrust now is still not enough to promote percussion piece 5, so inclined-plane 83 can be out of shape.At this moment, the Second Edge 82 of described shell fragment 8 can move along upward direction in figure, makes described block 9 produce the displacement perpendicular to described percussion piece 5 moving directions.
In the time that the preferred embodiment of the present invention is further pulled the trigger, when push broach bar 6 is moved further, as shown in Figure 7, there is gross distortion in the inclined-plane 83 of described shell fragment 8, makes described block 9 produce maximum displacement along upward direction in figure.At this moment, described block 9 is mutually non-interference with described boss 11, and boss 11 has not been on the mobile alignment of block 9, arming.At this moment can pull the trigger this stitching cutter sweep.
As shown in Figure 8, 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.After described push broach bar 6 resets, due to the elastic reaction of shell fragment 8, can drive described block 9 along downward direction displacement in figure, at this moment described block 9 and boss 11 are interfered, and have played the effect of secondary fuse.Only have the nail bin more renewing could remove this secondary fuse, reach the object of anti-secondary percussion.
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 (4)
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, the far-end of described cutting knife (7) is provided with a shell fragment (8), the first side (81) of described shell fragment (8) is fixedly connected on described cutting knife (7), the Second Edge (82) of described shell fragment (8) is free state, on described Second Edge (82), be fixedly connected with a block (9), described percussion piece (5) drives the Second Edge (82) of described shell fragment (8) mobile, make described block (9) produce the displacement perpendicular to described percussion piece (5) moving direction.
2. straight line stitching instrument cutter sweep according to claim 1, is characterized in that: described block (9) is arranged between first side (81) and Second Edge (82).
3. straight line stitching instrument cutter sweep according to claim 1, is characterized in that: the first side (81) of described shell fragment (8) and the fillet of Second Edge (82) comprise an inclined-plane (83).
4. straight line stitching instrument cutter sweep according to claim 1, is characterized in that: described shell fragment (8) welds or be pasted on the far-end of described cutting knife (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210595224.2A CN103860224B (en) | 2012-12-18 | 2012-12-18 | Straight line stitching instrument cutter sweep |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210595224.2A CN103860224B (en) | 2012-12-18 | 2012-12-18 | Straight line stitching instrument cutter sweep |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103860224A true CN103860224A (en) | 2014-06-18 |
| CN103860224B CN103860224B (en) | 2016-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210595224.2A Active CN103860224B (en) | 2012-12-18 | 2012-12-18 | Straight line stitching instrument cutter sweep |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103860224B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104055551A (en) * | 2014-07-16 | 2014-09-24 | 天津万和医疗器械有限公司 | Nail box assembly and endoscopic incision stitching instrument with same used |
| CN104434251A (en) * | 2014-12-30 | 2015-03-25 | 苏州天臣国际医疗科技有限公司 | Reload unit and medical stapler with same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5129570A (en) * | 1990-11-30 | 1992-07-14 | Ethicon, Inc. | Surgical stapler |
| US5485947A (en) * | 1992-07-20 | 1996-01-23 | Ethicon, Inc. | Linear stapling mechanism with cutting means |
| CN101797174A (en) * | 2010-03-02 | 2010-08-11 | 瑞奇外科器械(北京)有限公司 | Safety device of linear cutting anastomat for surgery |
| CN202409017U (en) * | 2011-12-07 | 2012-09-05 | 苏州天臣国际医疗科技有限公司 | Safety mechanism suitable for linear seam cutter |
| CN102743201A (en) * | 2011-04-20 | 2012-10-24 | 苏州天臣国际医疗科技有限公司 | Linear cutting suturing device |
| CN202982104U (en) * | 2012-12-18 | 2013-06-12 | 苏州天臣国际医疗科技有限公司 | Straight stitching and cutting device |
-
2012
- 2012-12-18 CN CN201210595224.2A patent/CN103860224B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5129570A (en) * | 1990-11-30 | 1992-07-14 | Ethicon, Inc. | Surgical stapler |
| US5485947A (en) * | 1992-07-20 | 1996-01-23 | Ethicon, Inc. | Linear stapling mechanism with cutting means |
| CN101797174A (en) * | 2010-03-02 | 2010-08-11 | 瑞奇外科器械(北京)有限公司 | Safety device of linear cutting anastomat for surgery |
| CN102743201A (en) * | 2011-04-20 | 2012-10-24 | 苏州天臣国际医疗科技有限公司 | Linear cutting suturing device |
| CN202409017U (en) * | 2011-12-07 | 2012-09-05 | 苏州天臣国际医疗科技有限公司 | Safety mechanism suitable for linear seam cutter |
| CN202982104U (en) * | 2012-12-18 | 2013-06-12 | 苏州天臣国际医疗科技有限公司 | Straight stitching and cutting device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104055551A (en) * | 2014-07-16 | 2014-09-24 | 天津万和医疗器械有限公司 | Nail box assembly and endoscopic incision stitching instrument with same used |
| CN104055551B (en) * | 2014-07-16 | 2017-01-25 | 天津万和医疗器械有限公司 | Nail box assembly and endoscopic incision stitching instrument with same used |
| CN104434251A (en) * | 2014-12-30 | 2015-03-25 | 苏州天臣国际医疗科技有限公司 | Reload unit and medical stapler with same |
| CN104434251B (en) * | 2014-12-30 | 2016-09-14 | 苏州天臣国际医疗科技有限公司 | Nail bin groupware and there is its Medical stapler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103860224B (en) | 2016-03-09 |
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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. |