CN202982104U - Straight stitching and cutting device - Google Patents
Straight stitching and cutting device Download PDFInfo
- Publication number
- CN202982104U CN202982104U CN 201220750824 CN201220750824U CN202982104U CN 202982104 U CN202982104 U CN 202982104U CN 201220750824 CN201220750824 CN 201220750824 CN 201220750824 U CN201220750824 U CN 201220750824U CN 202982104 U CN202982104 U CN 202982104U
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- China
- Prior art keywords
- nail
- nail bin
- shell fragment
- edge
- push broach
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a straight stitching and cutting device which comprises a body, a cartridge frame, a push knife rod and a cutter. A cartridge is arranged on the cartridge frame, a percussion block is arranged in the cartridge, and the push knife rod pushes the percussion block to move. A boss having a safety effect is arranged on the cartridge frame, an elastic sheet is arranged at the far end of the cutter, a retaining block is fixedly connected onto the elastic sheet, and the percussion block drives one side of the elastic sheet to move to lead the retaining block to generate displacement perpendicular to the moving direction of the percussion block. The straight stitching and cutting device has the advantages of effectively preventing surgeons from performing the next surgery when the percussed cartridge is not changed, avoiding medical negligence and being simple and effective in structure.
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: propose a kind of straight line stitching instrument cutter sweep with anti-secondary firing lock of secondary fuse of 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, 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, be fixedly connected with a block on described Second Edge, the Second Edge that described percussion piece drives described shell fragment moves, and makes described block generation perpendicular to the displacement of described percussion piece moving direction.
Preferably, described block is arranged between first side and Second Edge.
Preferably, the fillet of the first side of described shell fragment and Second Edge comprises an inclined-plane.
Preferably, described shell fragment welds or is pasted on the far-end of described cutting knife.
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 perspective view that is located at the nail bin frame in adapter of this utility model preferred embodiment.
Fig. 2 is the enlarged drawing of A part in Fig. 1.
Fig. 3 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. 4 is the enlarged drawing of B part in Fig. 3.
Fig. 5 is the front view of the nail-head component of this utility model preferred embodiment, and nail bin is installed this moment.
Fig. 6 is the front view of the nail-head component of this utility model preferred embodiment, promotes the push broach bar this moment.
Fig. 7 is the front view of the nail-head component of this utility model preferred embodiment, continues to promote push broach bar, arming this moment.
Fig. 8 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, shell fragment; 81, first side; 82, Second Edge; 83, inclined-plane; 9, block.
The specific embodiment
This utility model has disclosed a kind of straight line stitching instrument cutter sweep for Minimally Invasive Surgery, and is consistent with prior art as shown in Figures 1 to 4, 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.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, 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 the Second Edge 82 that described percussion piece 5 drives described shell fragment 8 moves, the displacement that described block 9 is produced 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.
The below simply introduces some work process of the present utility model.
As shown in Figure 3 and Figure 4, when the nail-head component of this utility model preferred embodiment was not installed nail bin 3, described block 9 was interfered mutually with boss 11, and namely described boss is arranged on 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, this utility model preferred embodiment is in a safety position.
After loading onto 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 this utility model preferred embodiment also is in safety position at present.
When this utility model preferred embodiment was pulled the trigger, as shown in Figure 6, the inclined-plane 83 of described shell fragment 8 will touch percussion piece 5, and the thrust of this moment still is 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, the displacement that described block 9 is produced perpendicular to described percussion piece 5 moving directions.
When this utility model preferred embodiment was further pulled the trigger, when namely push broach bar 6 was moved further, as shown in Figure 7, gross distortion occured 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 and described boss 11 phase mutually noninterferes, namely 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 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.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 that more renews to remove this secondary fuse, reach the purpose of anti-secondary percussion.
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 (4)
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, 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, be fixedly connected with a block (9) on described Second Edge (82), the Second Edge (82) that described percussion piece (5) drives described shell fragment (8) moves, make described block (9) generation perpendicular to the displacement of described percussion piece (5) moving direction.
2. straight line stitching instrument cutter sweep according to claim 1, it 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, it 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, it is characterized in that: described shell fragment (8) welds or is pasted on the far-end of described cutting knife (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220750824 CN202982104U (en) | 2012-12-18 | 2012-12-18 | Straight stitching and cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220750824 CN202982104U (en) | 2012-12-18 | 2012-12-18 | Straight stitching and cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202982104U true CN202982104U (en) | 2013-06-12 |
Family
ID=48553339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220750824 Withdrawn - After Issue CN202982104U (en) | 2012-12-18 | 2012-12-18 | Straight stitching and cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202982104U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103860224A (en) * | 2012-12-18 | 2014-06-18 | 苏州天臣国际医疗科技有限公司 | Linear suturing and excising device |
| CN105796144A (en) * | 2014-12-30 | 2016-07-27 | 苏州天臣国际医疗科技有限公司 | Nail head component and suturing and cutting device for endoscopic surgery |
-
2012
- 2012-12-18 CN CN 201220750824 patent/CN202982104U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103860224A (en) * | 2012-12-18 | 2014-06-18 | 苏州天臣国际医疗科技有限公司 | Linear suturing and excising device |
| CN103860224B (en) * | 2012-12-18 | 2016-03-09 | 苏州天臣国际医疗科技有限公司 | Straight line stitching instrument cutter sweep |
| CN105796144A (en) * | 2014-12-30 | 2016-07-27 | 苏州天臣国际医疗科技有限公司 | Nail head component and suturing and cutting device for endoscopic surgery |
| CN105796144B (en) * | 2014-12-30 | 2018-07-31 | 苏州天臣国际医疗科技有限公司 | A kind of nail-head component and hysteroscope surgical operation seaming and cutting device |
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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: 20160309 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130612 Effective date of abandoning: 20160309 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |