CN202982103U - Straight-line sewing and cutting device - Google Patents
Straight-line sewing and cutting device Download PDFInfo
- Publication number
- CN202982103U CN202982103U CN 201220750823 CN201220750823U CN202982103U CN 202982103 U CN202982103 U CN 202982103U CN 201220750823 CN201220750823 CN 201220750823 CN 201220750823 U CN201220750823 U CN 201220750823U CN 202982103 U CN202982103 U CN 202982103U
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- nail
- safety block
- nail bin
- cutting knife
- push broach
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Abstract
The utility model discloses a straight-line sewing and cutting device which comprises a body, a nail cabin arranged on a nail cabin frame and a nail anvil in pivoting connection with the nail cabin frame. A push cutter bar pushes a cutter and a firing block to move; a boss for insurance is arranged on the nail cabin frame; an insurance block is arranged on a pivot of the cutter, an elastic member is arranged between the insurance block and the cutter, and the elastic member drives the insurance block to be inclined when not stressed; the insurance block is provided with at least one beading which is arranged on the end face of the insurance block in protruding mode; and when the push cutter bar pushes the cutter to move, the boss is arranged in the moving direction of the beading of the inclined insurance block to enable the beading to be blocked by the boss. The straight-line sewing and cutting device has the advantages of effectively preventing doctors from performing next operation under the condition that the fired nail cabin is not replaced, avoiding medical accidents and being simple in structure and effective.
Description
Technical field
This utility model relates to a kind of surgery instrument, and 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 the straight line stitching instrument cutter sweep.The surgical operation development has more and more been tended to Minimally Invasive Surgery so far.Broad sense, the operation that can reduce wound all is called Minimally Invasive Surgery; Narrow sense, Minimally Invasive Surgery refer to the operation carried out at Microendoscopic.The operation that Microendoscopic carries out is general only need to open several apertures on patient's health, excision, suture tissue and auxiliary apparatus are stretched in the patient body from aperture perform the operation.Minimally Invasive Surgery is little to the wound that patient brings, and patient can recover in a short period of time, so Minimally Invasive Surgery more and more is 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 housing, be provided with a relatively-movable percussion push rod in this housing, 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 a nail anvil pivotally connected with the nail bin frame.Removably be provided with nail bin on described nail bin frame, nail bin be provided be provided with in one group pushing slice of nail, anastomosis staple put the nail hole, be generally 4 row or 6 row put the nail hole.Described nail anvil is being provided with the 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 the percussion push rod connects, the far-end of described push broach bar is fixed an I shape cutting knife, this I shape cutting knife is closed with nail bin and nail anvil in the process of advancing.The distal center of described cutting knife is provided with blade, and its tissue that will be positioned in the process of advancing between nail bin and nail anvil cuts off.The blade both sides of described I shape cutting knife are provided with the percussion piece, and in the process that the I shape cutting knife advances, I shape cutter driving percussion piece is pushed out of pushing slice of nail outside nail bin successively, so pushing slice of nail that anastomosis staple is pushed out of nail bin is outer and order and close organizationally.In prior art, at first the doctor needs apparatus is resetted after completing above-mentioned seaming and cutting action, then changes nail bin, so that the 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 carry out next time seaming and cutting operation in the situation that do not change the nail bin of having pulled the trigger, can cause like this generation of malpractice, namely carry 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, and namely in the situation that do not change the nail bin of having pulled the trigger, the percussion handle can not be pressed.Like this, fundamentally prevented the malpractice that produces due to doctor's maloperation.
US Patent No. 5485947 has disclosed two kinds of secondary fuse mechanisms.In the first mechanism, nail bin is provided with a chute, is provided with slidably a flexure strip in this chute.During original state, it is outer and with the push broach bar jack-up that makes progress that this flexure strip stretches out in described chute, and this moment is positioned at the breach of push broach bar near-end and the projection on nail bin is separated from each other, and guarantees that described push broach bar can be pushed.When the push broach bar moved to far-end, described push broach bar was pushed into flexure strip in described chute, and the height of this push broach bar descends.After described push broach bar was resetted, described projection just was stuck in the breach of push broach bar, and this push broach bar can't be moved again, had played the effect of secondary fuse.The principle of the second mechanism and the first mechanism are similar, and a pivot member is replaced flexure strip.During original state, pivot member is lifted the push broach bar, makes breach on the push broach bar avoid projection on nail bin.After described push broach bar was resetted, the pivot member upset descended the height of push broach bar, and described projection just is stuck in the breach of push broach bar, and described push broach bar can't be moved again, has played the effect of secondary fuse.
In prior art, because the parts that relate to are very little, and all be assemblied in nail bin, cause the straight line stitching instrument cutter sweep to be produced and the assembling difficulty.
The utility model content
The purpose of this utility model: the straight line stitching instrument cutter sweep that proposes a kind of secondary fuse mechanism with simple structure.
The purpose of this utility model will be achieved by the following technical programs:
A kind of straight line stitching instrument cutter sweep comprises: a body; One is arranged at the nail bin frame of described body distal end; Removably be provided with nail bin on described nail bin frame, described nail bin be provided be provided with pushing slice of nail, anastomosis staple in several put the nail hole, the percussion piece that is used for promoting described pushing slice of nail is arranged in the chute of described nail bin; One nail anvil pivotally connected with described nail bin frame; One is used for connecting the adapter of described body and nail bin frame, is provided with movably a push broach bar in described adapter and is placed in the cutting knife of described push broach bar far-end, 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, be provided with an elastic component between described safety block and cutting knife, be not subjected under the 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; When described push broach bar promoted described cutting knife and moves, described boss was positioned on the moving direction of convex shoulder of 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 moved, the active force that lozenges is subject to described percussion piece made 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 that is 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.
The beneficial effects of the utility model are mainly reflected in: effectively prevent the doctor in the situation that do not change the nail bin pulled the trigger and carry out next time operation, avoid the generation of malpractice, simple in structure effectively.
Description of drawings
Fig. 1 is the schematic diagram that is located at the nail bin frame in adapter of this utility model preferred embodiment.
Fig. 2 is along the cutaway view of A-A in Fig. 1.
Fig. 3 is the enlarged drawing of A part in Fig. 2.
Fig. 4 is along the cutaway view of 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 this utility model preferred embodiment.
Fig. 7 is the enlarged drawing of C part in Fig. 6.
Fig. 8 is the front view of the nail-head component of this utility model preferred embodiment, nail bin is not installed, first insurance this moment.
Fig. 9 is the enlarged drawing of D part in Fig. 8.
Figure 10 is the front view of the nail-head component of this utility model preferred embodiment, and nail bin is installed this moment, and promotes the 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 this utility model preferred embodiment, continues to promote push broach bar, arming this moment.
Figure 13 is the enlarged drawing of F part in Figure 12.
Figure 14 is the front view of the nail-head component of this utility model preferred embodiment, and pull the trigger complete this moment, 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
This utility model has disclosed a kind of straight line stitching instrument cutter sweep for Minimally Invasive Surgery, and to shown in Figure 5, consistent with prior art, comprising: a housing is positioned at the adapter 4 of housing far-end as Fig. 1.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.Removably be provided with nail bin 3 on described nail bin frame 1, described nail bin 3 be provided be provided with in one group pushing slice of nail, anastomosis staple put the nail hole; Be arranged in the chute of described nail bin 3 for the percussion piece 5 that promotes described pushing slice of nail.
Be provided with movably a push broach bar 6 in described adapter 4; The far-end of described push broach bar 6 is fixed a cutting knife 7, has projection on described cutting knife 7, is I shape, described I shape cutting knife 7 in the process of advancing first compressing tissue make expansion organize attenuation and evenly, thereby further with 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 the tissue that cutting knifes 7 this blade in the process of advancing will be positioned at 2 of nail bin 3 and nail anvils and cuts 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.
Characteristics of the present utility model are: 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 subjected under the external force state, and described elastic component 10 orders about described safety block 8 and tilts, and tilts clockwise for occuring in Fig. 2.
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.When described push broach bar 6 promoted described cutting knifes 7 and moves, described boss 11 was positioned on the moving direction of convex shoulder 81 of 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 that is arranged between described safety block 8 and cutting knife 7.
The below simply introduces some work process of the present utility model.
As shown in Fig. 6 to 9, when the nail-head component of this utility model preferred embodiment is not installed nail bin 3, described push broach bar 6 promotes described cutting knife 7 and moves, relative cutting knife 7 tilts because safety block 8 is subject to the active force of elastic component 10, its convex shoulder 81 is kept out by described boss 11, be that described boss 11 is arranged on 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, this utility model preferred embodiment is in a safety position.
After loading onto nail bin 3, as shown in Figure 10 and Figure 11, the far-end of described safety block 8 is that a lozenges 82 is pressed close to percussion piece 5 in the process that described safety block 8 moves to far-end along straight line.
When push broach bar 6 promoted further described cutting knife 7 and moves, as Figure 12 and shown in Figure 13, the drag effect that lozenges 82 is subject to described percussion piece 5 then makes described safety block 8 overcome the elastic force of elastic component 10 and pivot occurs rotated, in figure for rotating counterclockwise.At this moment, the relative nail bin frame 1 in the position of convex shoulder 81 is raised, and namely it is away from the boss 11 on described nail bin frame 1.When percussion piece 5 was adjacent to fully with safety block 8, convex shoulder 81 can not interfered with boss 11 in the process that it moves, and namely 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 the percussion of this utility model preferred embodiment was complete, 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, when cutting knife broke away from the 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 resetted, the convex shoulder 81 on safety block 8 was kept out by described boss 11 again, only has the nail bin that more renews could remove this safety position, prevented in the situation that do not change nail bin and again pull the trigger.
The word of described expression position and direction in this utility model, be all with the exercises on apparatus author as reference, close operator's a end is near-end, is far-end away from operator's a end.
This utility model still has numerous embodiments, and all employing equivalents or equivalent transformation and all technical schemes of forming are within all dropping on protection domain of the present utility model.
Claims (5)
1. straight line stitching instrument cutter sweep comprises:
One body;
One is arranged at the nail bin frame (1) of described body distal end; Removably be provided with nail bin (3) on described nail bin frame (1), described nail bin (3) be provided be provided with pushing slice of nail, anastomosis staple in several put the nail hole, the percussion piece (5) that is used for promoting described pushing slice of nail is arranged in the chute of described nail bin (3);
One nail anvil (2) pivotally connected with described nail bin frame (1);
One is used for connecting the adapter (4) of described body and nail bin frame, be provided with movably a push broach bar (6) in described adapter (4) 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), be provided with an elastic component (10) between described safety block (8) and cutting knife (7), be not subjected under the 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);
When 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 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) was mobile, the active force that lozenges (82) is subject to described percussion piece (5) made 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, it 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220750823 CN202982103U (en) | 2012-12-18 | 2012-12-18 | Straight-line sewing and cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220750823 CN202982103U (en) | 2012-12-18 | 2012-12-18 | Straight-line sewing and cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202982103U true CN202982103U (en) | 2013-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220750823 Withdrawn - After Issue CN202982103U (en) | 2012-12-18 | 2012-12-18 | Straight-line sewing and cutting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202982103U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103720499A (en) * | 2013-12-31 | 2014-04-16 | 苏州天臣国际医疗科技有限公司 | Straight line sewing and cutting device |
| CN103860222A (en) * | 2012-12-18 | 2014-06-18 | 苏州天臣国际医疗科技有限公司 | Linear suturing/cutting device |
| CN104027145A (en) * | 2014-06-06 | 2014-09-10 | 山东威瑞外科医用制品有限公司 | Anti-misoperation type cutting stapler |
| CN105496488A (en) * | 2016-02-03 | 2016-04-20 | 苏州英途康医疗科技有限公司 | Electric anastomat |
| WO2016107450A1 (en) * | 2014-12-31 | 2016-07-07 | 苏州天臣国际医疗科技有限公司 | Staple cartridge assembly and medical anastomat using same |
| CN106333720A (en) * | 2016-10-14 | 2017-01-18 | 苏州英途康医疗科技有限公司 | Intelligent abdomen microscope anastomat |
| US10265070B2 (en) | 2013-12-31 | 2019-04-23 | Suzhou Touchstone International Medical Science Co., Ltd. | Linear cutting stapler |
-
2012
- 2012-12-18 CN CN 201220750823 patent/CN202982103U/en not_active Withdrawn - After Issue
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103860222B (en) * | 2012-12-18 | 2016-05-04 | 苏州天臣国际医疗科技有限公司 | A kind of straight line stitching instrument cutter sweep |
| CN103860222A (en) * | 2012-12-18 | 2014-06-18 | 苏州天臣国际医疗科技有限公司 | Linear suturing/cutting device |
| WO2014094563A1 (en) * | 2012-12-18 | 2014-06-26 | 苏州天臣国际医疗科技有限公司 | Straight stitching and cutting device |
| CN103720499A (en) * | 2013-12-31 | 2014-04-16 | 苏州天臣国际医疗科技有限公司 | Straight line sewing and cutting device |
| CN103720499B (en) * | 2013-12-31 | 2016-02-17 | 苏州天臣国际医疗科技有限公司 | Straight line stitching instrument cutter sweep |
| US10265070B2 (en) | 2013-12-31 | 2019-04-23 | Suzhou Touchstone International Medical Science Co., Ltd. | Linear cutting stapler |
| CN104027145A (en) * | 2014-06-06 | 2014-09-10 | 山东威瑞外科医用制品有限公司 | Anti-misoperation type cutting stapler |
| CN104027145B (en) * | 2014-06-06 | 2016-07-06 | 山东威瑞外科医用制品有限公司 | Anti-misoperation type Endo-GIA |
| WO2016107450A1 (en) * | 2014-12-31 | 2016-07-07 | 苏州天臣国际医疗科技有限公司 | Staple cartridge assembly and medical anastomat using same |
| US10888323B2 (en) | 2014-12-31 | 2021-01-12 | Touchstone International Medical Science Co., Ltd. | Staple cartridge assembly and medical stapler using the staple cartridge assembly |
| CN105496488A (en) * | 2016-02-03 | 2016-04-20 | 苏州英途康医疗科技有限公司 | Electric anastomat |
| US10595865B2 (en) | 2016-02-03 | 2020-03-24 | Suzhou Intocare Medical Technology Co., Ltd. | Electric surgical stapler |
| CN106333720A (en) * | 2016-10-14 | 2017-01-18 | 苏州英途康医疗科技有限公司 | Intelligent abdomen microscope anastomat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130612 Effective date of abandoning: 20160504 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130612 Effective date of abandoning: 20160504 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |