CN203609466U - Linear stitching and cutting apparatus - Google Patents
Linear stitching and cutting apparatus Download PDFInfo
- Publication number
- CN203609466U CN203609466U CN201320592747.1U CN201320592747U CN203609466U CN 203609466 U CN203609466 U CN 203609466U CN 201320592747 U CN201320592747 U CN 201320592747U CN 203609466 U CN203609466 U CN 203609466U
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- CN
- China
- Prior art keywords
- cutting device
- lower clamp
- linear seam
- seam cutting
- block set
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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- Withdrawn - After Issue
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- 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
- 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
- A61B90/03—Automatic limiting or abutting means, e.g. for safety
- A61B2090/033—Abutting means, stops, e.g. abutting on tissue or skin
- A61B2090/034—Abutting means, stops, e.g. abutting on tissue or skin abutting on parts of the device itself
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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)
- Treatment Of Fiber Materials (AREA)
Abstract
The utility model provides a linear stitching and cutting apparatus, which comprises an upper clamp, a lower clamp, a staple cartridge, a percussion sheet and a cutter pushing bar. The near end of the percussion sheet and the near end of the cutter pushing bar are connected with a single slide block used for driving the percussion sheet and the cutter pushing bar to move. A safety mechanism is arranged between the percussion sheet and the lower clamp. The safety mechanism at least comprises a lower safety block and the lower safety block is provided with a limiting convex block. When the linear stitching and cutting apparatus is in an initial state in that the staple cartridge is not yet installed onto the lower clamp, the limiting convex block is arranged on the movement path of the percussion sheet. The lower surface of the staple cartridge is provided with a boss used for extruding the limiting convex block to push away the limiting convex block from the movement path of the percussion sheet. According to the technical scheme of the utility model, the safety mechanism of the linear stitching and cutting apparatus is structurally simple, convenient to machine, safe and reliable. Therefore, the linear stitching and cutting apparatus has good market popularization value.
Description
Technical field
This utility model relates to a kind of Linear seam cutting device, belongs to technical field of medical instruments.
Background technology
Linear seam cutting device is widely used in sewing up and cutting for wound suture, interior tissue in surgical operation, typical Linear seam cutting device discloses as U.S. Pat 5129570, have and sew up and two functions of cutting, in carrying out wound suture, by unnecessary cutting tissue.Such Linear seam cutting device generally comprises upper and lower two clamps, and for the closed handle of the upper and lower clamp of closure, be oppositely arranged on nail anvil and the nail bin of upper and lower clamp far-end, be located in nail bin and the percussion sheet that can move relative to described nail bin and far-end are provided with the push broach bar of cutting knife simultaneously, and push button for driving described percussion sheet and push broach bar to move.In described nail bin, be disposed with suturing nail, described percussion sheet promotes in order successively pushing slice of nail and pushes suturing nail to nail anvil, and described cutting knife cuts off the tissue between nail bin and nail anvil.
In prior art, the nail bin of Linear seam cutting device be can change nonexpondable.In the time of clinical use, often need to repeatedly sew up and cut and organize, therefore in the time of operation, need to repeatedly change nail bin.In the situation that not putting into nail bin, push button can be promoted forward arbitrarily, and then cutting knife can be pushed out, and can cause only cutting and unstitched serious consequence.Therefore, the Linear seam cutting device of prior art all can arrange a kind of insurance institution.
U.S. Pat has disclosed a kind of insurance institution No. 5129570, arranges one with cutting knife passage and the safety block of pulling the trigger sheet passage at the middle part of apparatus, and shell fragment is set below cutting knife.When apparatus (being that upper and lower two clamps are not closed) in an open position, shell fragment is upspring cutting knife, makes cutting knife cannot pass through cutting knife passage, plays safety effect; When apparatus is loaded onto nail bin, and after upper and lower two clamp closures, nail bin compressing cutting knife top, makes cutting knife overcome the elastic force of shell fragment and returns to and the state of cutting knife channel alignment, and at this moment insurance is removed, and apparatus can be pulled the trigger use.
U.S. Pat has disclosed another kind of insurance institution No. 7055730, arranges one with push broach bar passage and the safety block of pulling the trigger sheet passage at the middle part of apparatus, and this safety block can rotate around apparatus under torsion spring effect.When apparatus (being that upper and lower two clamps are not closed) in an open position, safety block twists, and makes to pull the trigger sheet and push broach bar and all cannot pass through passage, plays safety effect; When apparatus is loaded onto nail bin, and after upper and lower two clamp closures, nail bin compressing safety block make it overcome the elastic force of torsion spring and recover normal position (pull the trigger sheet and push broach bar respectively with its safety block on channel alignment), make to pull the trigger sheet and push broach bar and all can pass through safety block, at this moment insurance is removed, and apparatus can be pulled the trigger use.
The equal more complicated of several structures above, processing assembling difficulty, expensive.
Utility model content
The purpose of this utility model is the Linear seam cutting device that proposes a kind of insurance institution with simple structure.
The purpose of this utility model, will be achieved by the following technical programs:
A kind of Linear seam cutting device, comprising: closure or the upper and lower clamp opened mutually, and the far-end of described lower clamp is provided with nail bin, can relatively described nail bin in described lower clamp be provided with movably the push broach bar that percussion sheet and far-end are provided with cutting knife, the near-end of described percussion sheet and push broach bar is all coupled to the same slide block for driving both to move, between described percussion sheet and lower clamp, be provided with an insurance institution, described insurance institution at least comprises a lower safety block being fixed on described lower clamp, described lower safety block comprises a spacing block set, when described Linear seam cutting device is not in the time installing described nail bin to original state on lower clamp, described spacing block set is arranged on the mobile alignment of described percussion sheet, the lower surface of described nail bin is provided with one for pushing described spacing block set and described spacing block set being pushed away to the boss of the mobile alignment of described percussion sheet.
Preferably, described percussion sheet comprises a connecting piece, and when described Linear seam cutting device is not in the time installing described nail bin to original state on lower clamp, described spacing block set is stuck on the distal face of described brace.
Preferably, described lower clamp is provided with an opening passing for described spacing block set, when described Linear seam cutting device is not in the time installing described nail bin to original state on lower clamp, described spacing block set through described open card on the distal face of described brace.
Preferably, described lower safety block comprises at least one body, and described spacing block set is relatively away from described body, and described body flexibly connects arm with spacing block set by one and is connected.
Preferably, the body of described lower safety block is provided with grab, described in the piece of insuring be provided with the groove of relative engagement.
Preferably, described insurance institution also comprises a piece of insuring of being located in described lower clamp, described in insure piece and lower safety block interfix, the bottom surface that flexibly connects arm and be closely attached on described lower clamp of described lower safety block.
Preferably, described lower clamp is provided with the opening passing for described at least one body.
Preferably, the outside of described body is provided with limited block.
Preferably, the piece of insuring described in is provided with the passage for described push broach bar is passed through.
Preferably, described push broach bar comprises a step, in the time that described push broach bar is reset to the original state of described Linear seam cutting device, described step with described in insure piece passage distal face interfere.
The beneficial effects of the utility model are mainly reflected in: insurance institution is simple in structure, easy to process, safe and reliable, have good market popularization value.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view of lower clamp of the present utility model.
Fig. 2 is the schematic perspective view of lower clamp of the present utility model when nail bin is not installed.
Fig. 3 is the top view of lower clamp of the present utility model when nail bin is not installed.
Fig. 4 is the cut-away view of C-C direction in Fig. 3.
Fig. 4 a is the enlarged drawing of A part in Fig. 4.
Fig. 5 is that lower clamp of the present utility model is installed the cut-away view after nail bin.
Fig. 5 a is the enlarged drawing of B part in Fig. 5.
Fig. 6 is the enlarged diagram of the piece of insuring of the present utility model.
The specific embodiment
As shown in Figure 1, this utility model provides a kind of insurance institution of Linear seam cutting device.Consistent with prior art, described Linear seam cutting device comprises cabinet, can be mutually the closed or upper and lower clamp opened, the far-end of upper clamp is provided with nail anvil (not shown), the far-end of lower clamp 1 is provided with nail bin 2.Certainly, the position of upper and lower clamp can exchange, just this utility model is in order to express clearly so definition.
Described lower clamp 1 is ∪ shape, can relatively described nail bin 2 in it be provided with movably percussion sheet 3 and far-end and be provided with the push broach bar 5 of cutting knife 4, and the near-end of described percussion sheet 3 and push broach bar 5 is all coupled to the same slide block 6 for driving both to move.When use, tissue is placed between nail anvil and nail bin, then involutory upper and lower clamp, closed handle, make upper and lower clamp grip tissue, then promote to be arranged on the percussion push button of upper and lower clamp near-end, the slide block 6 being connected with percussion push button drives percussion sheet 3 and push broach bar 5 can implement stitching and the cutting of tissue.
Feature of the present utility model is: between the percussion sheet 3 of described Linear seam cutting device and lower clamp 1, be provided with an insurance institution.Described insurance institution comprises insure piece 7 and the lower safety block 8 that interfix, described piece 7 and the lower safety block 8 of insuring is all fixed on described lower clamp 1, described lower safety block 8 comprises a spacing block set 81, and described lower clamp is provided with an opening 11 passing for described spacing block set 81.When described Linear seam cutting device is not in the time installing described nail bin 2 to original state on lower clamp 1, described spacing block set 81 is arranged on the mobile alignment of described percussion sheet 3.
Shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 4 a, described percussion sheet 3 comprises a connecting piece 31, when described Linear seam cutting device is not in the time installing described nail bin 2 to original state on lower clamp 1, described spacing block set 81 is stuck on the distal face of described brace 31 through described opening 11.Like this, when described Linear seam cutting device is not in the time installing described nail bin 2 to original state on lower clamp 1, described spacing block set 81 has limited the movement of percussion sheet 3, has played safety effect.
Concrete, described lower safety block 8 comprises at least one body 80.In this preferred embodiment, body is flat, has and point is located at spacing block set 81 both sides, be parallel to each other two.Described spacing block set 81 is relatively away from described body 80, and described body 80 flexibly connects arm 82 with spacing block set 81 by one and is connected.The body 80 of described lower safety block 8 is provided with grab 83, described in the piece 7 of insuring be provided with the groove 71 of relative engagement.
Described lower clamp 1 also corresponding described body 80 is provided with the opening that at least one passes for described body 80, and this at least one opening is compared with the opening passing for described spacing block set 81, and it is positioned at nearlyer side of lower clamp 1.On body 80 sides of described lower safety block 8, be also provided with limited block 84, described limited block 84 can and be stuck in described lower safety block 8 on described lower clamp 1 through opening corresponding on described lower clamp.
When installation insurance mechanism, first lower safety block 8 is packed on lower clamp 1 by the opening of lower clamp 1 bottom correspondence, limited block 84 is stuck in lower safety block 8 on described lower clamp 1; Now grab 83 extend in lower clamp 1, then the piece 7 of insuring is connected in described grab 83.Like this, upper and lower safety block is all fixed in described lower clamp 1.After described piece 7 and the lower safety block 8 of insuring is fixing, the bottom surface 12 that flexibly connects arm 82 and be closely attached on described lower clamp 1 of described lower safety block 8.
As shown in Fig. 5 and Fig. 5 a, the lower surface of described nail bin 2 is provided with one for pushing described spacing block set 81 and described spacing block set 81 being pushed away to the boss 21 of the mobile alignment of described percussion sheet 3.In the time that described nail bin 2 is installed, this boss 21 pushes described spacing block set 81, makes described spacing block set 81 depart from the mobile alignment of described percussion sheet 3.Now arming, can freely carry out seaming and cutting.
As shown in Figure 6, the piece 7 of insuring described in is provided with the passage 72 for described push broach bar 5 is passed through.Described push broach bar 5 comprises a step 51, in the time that described push broach bar 5 is reset to the original state of described Linear seam cutting device, described step 51 with described in the insure distal face 73 of passage 72 of piece 7 interfere, make described push broach bar 5 be returned to initial position, and can too do not resetted, be convenient to more renew nail bin time, cutting knife coordinates with push broach bar.
Near-end in this utility model refers to the one end near operator, otherwise far-end is the one end away from operator.This utility model still has numerous embodiments, and all employing equivalents or equivalent transformation and all technical schemes of forming, within all dropping on protection domain of the present utility model.
Claims (10)
1. a Linear seam cutting device, comprising: can be mutually the closed or upper and lower clamp opened, the far-end of described lower clamp (1) is provided with nail bin (2), can relatively described nail bin (2) in described lower clamp be provided with movably the push broach bar (5) that percussion sheet (3) and far-end are provided with cutting knife (4), the near-end of described percussion sheet (3) and push broach bar (5) is all coupled to the same slide block (6) for driving both to move, it is characterized in that: between described percussion sheet (3) and lower clamp (1), be provided with an insurance institution, described insurance institution at least comprises a lower safety block (8) being fixed on described lower clamp (1), described lower safety block (8) comprises a spacing block set (81), when described Linear seam cutting device is not in the time installing described nail bin (2) to original state on lower clamp (1), described spacing block set (81) is arranged on the mobile alignment of described percussion sheet (3), the lower surface of described nail bin (2) is provided with one for pushing described spacing block set (81) and described spacing block set (81) being pushed away to the boss (21) of the mobile alignment of described percussion sheet (3).
2. Linear seam cutting device according to claim 1, it is characterized in that: described percussion sheet (3) comprises a connecting piece (31), when described Linear seam cutting device is not in the time installing described nail bin (2) to original state on lower clamp (1), described spacing block set (81) is stuck on the distal face of described brace (31).
3. Linear seam cutting device according to claim 2, it is characterized in that: described lower clamp (1) is provided with an opening (11) passing for described spacing block set (81), when described Linear seam cutting device is not in the time installing described nail bin (2) to original state on lower clamp (1), described spacing block set (81) is stuck on the distal face of described brace (31) through described opening (11).
4. Linear seam cutting device according to claim 1, it is characterized in that: described lower safety block (8) comprises at least one body (80), described spacing block set (81) is relatively away from described body (80), and described body (80) flexibly connects arm (82) with spacing block set (81) by one and is connected.
5. Linear seam cutting device according to claim 4, it is characterized in that: described insurance institution also comprises a piece of insuring (7) of being located in described lower clamp (1), the described piece of insuring (7) and lower safety block (8) interfix, the body (80) of described lower safety block (8) is provided with grab (83), described in the piece (7) of insuring be provided with the groove (71) of relative engagement.
6. Linear seam cutting device according to claim 5, is characterized in that: the bottom surface (12) that flexibly connects arm (82) and be closely attached on described lower clamp (1) of described lower safety block (8).
7. Linear seam cutting device according to claim 6, is characterized in that: described lower clamp (1) is provided with the opening passing for described at least one body (80).
8. Linear seam cutting device according to claim 7, is characterized in that: the outside of described body (80) is provided with limited block (84).
9. Linear seam cutting device according to claim 5, is characterized in that: described in the piece (7) of insuring be provided with the passage (72) for described push broach bar (5) is passed through.
10. Linear seam cutting device according to claim 9, it is characterized in that: described push broach bar (5) comprises a step (51), in the time that described push broach bar (5) is reset to the original state of described Linear seam cutting device, described step (51) with described in insure piece (7) passage (72) distal face (73) interfere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320592747.1U CN203609466U (en) | 2012-09-14 | 2013-09-13 | Linear stitching and cutting apparatus |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220466092.9 | 2012-09-14 | ||
| CN201220466092 | 2012-09-14 | ||
| CN201320592747.1U CN203609466U (en) | 2012-09-14 | 2013-09-13 | Linear stitching and cutting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203609466U true CN203609466U (en) | 2014-05-28 |
Family
ID=50762154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320592747.1U Withdrawn - After Issue CN203609466U (en) | 2012-09-14 | 2013-09-13 | Linear stitching and cutting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203609466U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103654898A (en) * | 2012-09-14 | 2014-03-26 | 苏州天臣国际医疗科技有限公司 | Straight-line stitching and cutting device |
| CN104306038A (en) * | 2014-11-07 | 2015-01-28 | 常州威克医疗器械有限公司 | Anastomosis cutting driving device of one-step linear cutting anastomat |
| WO2018028134A1 (en) * | 2016-08-08 | 2018-02-15 | 苏州天臣国际医疗科技有限公司 | Tissue closing device and medical instrument |
| CN107890362A (en) * | 2017-02-28 | 2018-04-10 | 江苏风和医疗器材股份有限公司 | Surgical instruments |
-
2013
- 2013-09-13 CN CN201320592747.1U patent/CN203609466U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103654898A (en) * | 2012-09-14 | 2014-03-26 | 苏州天臣国际医疗科技有限公司 | Straight-line stitching and cutting device |
| CN103654898B (en) * | 2012-09-14 | 2016-02-10 | 苏州天臣国际医疗科技有限公司 | Linear seam cutting device |
| CN104306038A (en) * | 2014-11-07 | 2015-01-28 | 常州威克医疗器械有限公司 | Anastomosis cutting driving device of one-step linear cutting anastomat |
| WO2018028134A1 (en) * | 2016-08-08 | 2018-02-15 | 苏州天臣国际医疗科技有限公司 | Tissue closing device and medical instrument |
| US11123072B2 (en) | 2016-08-08 | 2021-09-21 | Touchstone International Medical Science Co., Ltd. | Tissue closure device and medical instrument |
| CN107890362A (en) * | 2017-02-28 | 2018-04-10 | 江苏风和医疗器材股份有限公司 | Surgical instruments |
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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: 20140528 Effective date of abandoning: 20160210 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140528 Effective date of abandoning: 20160210 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |