CN202122595U - Linear cutting stitching instrument - Google Patents
Linear cutting stitching instrument Download PDFInfo
- Publication number
- CN202122595U CN202122595U CN201020664427.9U CN201020664427U CN202122595U CN 202122595 U CN202122595 U CN 202122595U CN 201020664427 U CN201020664427 U CN 201020664427U CN 202122595 U CN202122595 U CN 202122595U
- Authority
- CN
- China
- Prior art keywords
- shackle member
- rocker piece
- clamp
- linear type
- breach
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
Landscapes
- 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)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The utility model discloses a linear cutting stitching instrument, which comprises an upper forceps clip and a lower forceps clip which can be closed or opened mutually. A nail bin is arranged at a far end of the lower forceps clip in a U shape, and a nail push rod and a tool push rod are slidably arranged in the lower forceps clip. The linear cutting stitching instrument is characterized by further comprising a safety mechanism, the safety mechanism comprises a clamping connector and a moving block, the bottom surface of the nail push rod is provided with a notch matched with the clamping connector, the moving block is capable of longitudinally shifting in the lower forceps clip, and the top end of the clamping connector is driven to longitudinally shift when the moving block is abutted to the nail bin or a nail anvil, so that the clamping connector is separated from the notch. The linear cutting stitching instrument mainly has the advantages of simple structure, convenience in processing, safety, reliability and excellent popularization value.
Description
Technical field
This utility model relates to a kind of linear type stapler, belongs to technical field of medical instruments.
Background technology
The linear type stapler is widely used in being used in the surgical operation wound suture, interior tissue is sewed up and cutting; Typical linear type stapler such as 5129570 announcements of U.S. Pat; Have and sew up and two functions of cutting, when carrying out wound suture, excess tissue is excised.Such linear type stapler generally comprises upper and lower two clamps; And the closed handle that is used for closed upper and lower clamp; Be oppositely arranged on the nail anvil and the nail bin of upper and lower clamp front end; Be located in the nail bin and can move percussion sheet and cutting knife relative to said nail bin simultaneously, and be used to drive the push button that said percussion sheet and cutting knife move.Be disposed with suturing nail in the said nail bin, said percussion sheet promotes pushing slice of nail successively and pushes suturing nail to nail anvil, and said cutting knife will cut off at the tissue between nail bin and the nail anvil.
The nail bin of this apparatus be can change nonexpondable.When clinical use, often need repeatedly stitching to cut and organize, therefore when operation, need repeatedly change nail bin.Under the situation of not putting into nail bin, push button can be promoted forward arbitrarily, and then cutting knife can be pushed out, and only can cause and cut and unstitched serious consequence.Therefore, the linear type stapler of prior art all can be provided with a kind of insurance institution.
U.S. Pat has disclosed a kind of insurance institution No. 5129570, and a safety block that has cutting knife passage and ejector pin bar passage is set at the middle part of apparatus, and shell fragment is set below cutting knife.When apparatus was shown in an open position (being that upper and lower two clamps are not closed), shell fragment was upspring cutting knife, made cutting knife can't pass through the cutting knife passage, played 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 the state with the cutting knife channel alignment, and insurance is at this moment removed, and apparatus can be pulled the trigger use.
U.S. Pat has disclosed another kind of insurance institution No. 7055730, and a safety block that has push broach bar passage and ejector pin bar passage is set at the middle part of apparatus, and this safety block can rotate around apparatus under the torsion spring effect.When apparatus was shown in an open position (being that upper and lower two clamps are not closed), safety block twisted, and made ejector pin bar and push broach bar all can't pass through passage, played 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 the normal position (be ejector pin bar and push broach bar respectively with its safety block on channel alignment); Make ejector pin bar and push broach bar all can pass through safety block, insurance is at this moment removed, and apparatus can be pulled the trigger use.
More than several kinds of structures all very complicated, processing assembling difficulty costs an arm and a leg.
The utility model content
The purpose of this utility model is to propose a kind of linear type stapler with insurance institution of simple structure.
The purpose of this utility model will be achieved through following technical scheme:
A kind of linear type stapler; Comprise: can be each other the closed or upper and lower clamp opened, the said far-end of clamp down is provided with nail bin, said clamp down is a ∪ shape; Be provided with ejector pin bar and push broach bar in it slidably; Said linear type stapler also comprises an insurance institution, and said insurance institution comprises a shackle member, and the bottom surface of said ejector pin bar is provided with the breach that matches with said shackle member; Said insurance institution also comprise one in said down clamp, carry out length travel, and the top that when it is connected to said nail bin or nail anvil, drives said shackle member carry out length travel and then make said shackle member and the isolating rocker piece of said breach.
Further, the bottom of said rocker piece is connected in the top of said shackle member, and the bottom of said shackle member is connected in down clamp, axially is provided with first groove and second groove that supply said ejector pin bar and push broach bar to pass through respectively on the said rocker piece.
Further, the far-end of said rocker piece is provided with one and supplies the convexity of nail bin extruding, and said nail bin can be through the said convexity of extruding, and then the top that drives said shackle member carries out length travel, makes said shackle member separate with said breach.
Further, the near-end of said rocker piece is provided with one and supplies the convexity of nail anvil extruding, and said nail anvil can be through the said convexity of extruding, and then the top that drives said shackle member carries out length travel, makes said shackle member separate with said breach.
Further, said shackle member is a shell fragment, and the bottom of said shell fragment is welded in the said inwall of clamp down, and the top of said shell fragment is fixedly connected on said rocker piece.
Further; Said shackle member is the fixture block of said rocker piece bottom; The end face of said fixture block matches with said breach, and the bottom of said fixture block is connected in the bottom surface of said down clamp through a spring, when rocker piece is connected to said nail bin or nail anvil; And then drive said shackle member and carry out length travel, make the bottom of said shackle member separate with said breach.
Further, the integrated manufacturing of said fixture block and rocker piece.
Further, said shackle member is connected in the said central authorities of clamp bottom surface down, and said breach is arranged at the central authorities of said ejector pin bar bottom surface accordingly.
Further, the both sides of said rocker piece axially are provided with a convexity respectively, and said two medial walls of clamp down are respectively arranged with the kidney slot that matches with said convexity, and said convexity can vertically move in said kidney slot.
The beneficial effect of this utility model is mainly reflected in: simple in structure, easy to process, safe and reliable, and have excellent popularization and be worth.
Description of drawings
Fig. 1 is the structural representation of the following clamp among first embodiment, does not show nail bin;
Fig. 2 is along the sectional view of A-A among Fig. 1;
Fig. 3 is the part-structure sketch map of the first embodiment cathetus type stapler;
Fig. 4 is along the sectional view of B-B among Fig. 3;
Fig. 5 is the structural representation of the following clamp among second embodiment, does not show nail bin;
Fig. 6 is along the sectional view of C-C among Fig. 5;
Fig. 7 is the part-structure sketch map of the second embodiment cathetus type stapler;
Fig. 8 is along the sectional view of D-D among Fig. 7.
Wherein:
1 rocker piece, 11 first grooves, 12 second grooves
13 protruding 2 shell fragments, 3 ejector pin bars
5 times clamp 51 nail bins of 4 push broach bars
6 nail anvils
The specific embodiment
This utility model provides a kind of linear type stapler; It comprises: can be each other closed or last clamp, time clamp 5 opened, the far-end of following clamp 5 is provided with nail bin 51, following clamp 5 is a ∪ shape; Be provided with ejector pin bar 3 and push broach bar 4 in it slidably; Said linear type stapler also comprises an insurance institution, and said insurance institution comprises a shackle member, and the bottom surface of ejector pin bar 3 is provided with the breach that matches with the top of said shackle member; Said insurance institution also comprises a rocker piece 1, and rocker piece 1 can be connected to nail bin 51 or nail anvil 6, and then the top that drives said shackle member carries out length travel, makes said shackle member separate with said breach; Axially be provided with first groove 11 and second groove 12 that supply ejector pin bar 3 and push broach bar 4 to pass through respectively on the rocker piece 1.
[first embodiment]
Shown in Fig. 1-4, in the present embodiment, said linear type stapler comprises: the following clamp 5 of going up clamp, U type; The ejector pin bar 3 and push broach bar 4 that are arranged at down in the clamp 5 and can slide within it; Insurance institution; Said insurance institution comprise the bottom be welded in down clamp 5 inwalls central authorities shell fragment 2 and be connected in the vertical rocker piece 1 of shell fragment 2; Axially be provided with first groove 11, second groove 12 that supply respectively that ejector pin bar 3 and push broach bar 4 pass through on the rocker piece 1; The central authorities of the bottom surface of ejector pin bar 3 are provided with the breach that matches with the top of shell fragment 2, and the far-end of rocker piece 1 is provided with one and supplies the convexity 13 of nail bin 51 extruding.The both sides of rocker piece 1 axially are provided with a convexity (not shown) respectively; Two medial walls of following clamp 5 are respectively arranged with the kidney slot that matches with said convexity; Said convexity can vertically move in said kidney slot, thereby plays the effect that guiding rocker piece 1 vertically moves.Certainly, also can axially be provided with a kidney slot (not shown) respectively in the both sides of rocker piece 1, two medial walls of following clamp 5 are respectively arranged with the convexity (not shown) that matches with said kidney slot.
The operation principle of present embodiment is: when said linear type stapler is not opened or nail bin 51 when not installing; Rocker piece 1 is at the effect float downward of shell fragment 2; Shell fragment 2 snaps in the breach of bottom surface of ejector pin bar 3, makes ejector pin bar 3 not to be pushed forward, and said insurance institution is opened; Nail bin 51 is mounted to down 5 last times of clamp, closed upper and lower clamp, nail bin 51 expression lobes 13; Make rocker piece 1 compressing shell fragment 2 move down; Rocker piece returns to can be so that the position that ejector pin bar 3 and push broach bar 4 pass through, and shell fragment 2 breaks away from said breach, thereby makes said insurance institution be closed.
[second embodiment]
Shown in Fig. 5-8, in the present embodiment, the near-end of rocker piece 1 is provided with one and supplies the convexity 13 of nail anvil 6 extruding, and other structures are identical with structure among first embodiment, repeat no more at this.
The operation principle of present embodiment is: when said linear type stapler is not opened or nail bin 51 when not installing; Rocker piece 1 is at the effect float downward of shell fragment 2; Shell fragment 2 snaps in the breach of bottom surface of ejector pin bar 3, makes ejector pin bar 3 not to be pushed forward, and promptly said insurance institution is opened; When nail bin 51 is mounted to down 5 last times of clamp; And behind the closed upper and lower clamp; Nail anvil 6 expression lobes 13 make rocker piece 1 compressing shell fragment 2 move down, and rocker piece returns to can be so that the position that ejector pin bar 3 and push broach bar 4 pass through; Shell fragment 2 breaks away from said breach, thereby makes said insurance institution be closed.
[the 3rd embodiment]
In the present embodiment; Said shackle member is a fixture block (not shown); Said fixture block matches with said breach, and the bottom of said fixture block is connected in down the bottom surface of clamp 5, said fixture block and rocker piece 1 integrated manufacturing through a spring (not shown); Other structures are identical with structure among first embodiment, repeat no more at this.
The operation principle of present embodiment is: when said linear type stapler is not opened or nail bin 51 when not installing; Said fixture block is at the effect float downward of said spring; Floating block 1 under the effect of said fixture block also to float; The top of said fixture block snaps in the breach of bottom surface of ejector pin bar 3, makes ejector pin bar 3 not to be pushed forward, and promptly said insurance institution is opened; When nail bin 51 is mounted to down 5 last times of clamp; And behind the closed upper and lower clamp, nail bin 51 expression lobes 13 make the said spring of rocker piece 1 compressing shrink; Thereby make said fixture block move down; Rocker piece 1 returns to can be so that the position that ejector pin bar 3 and push broach bar 4 pass through, and said fixture block breaks away from said breach, thereby makes said insurance institution be closed.
[the 4th embodiment]
In the present embodiment; Said shackle member is a fixture block (not shown); Match with said breach in the top of said fixture block, and the bottom of said fixture block is connected in down the bottom surface of clamp 5, said fixture block and rocker piece 1 integrated manufacturing through a spring (not shown); Other structures are identical with structure among second embodiment, repeat no more at this.
The operation principle of present embodiment is: when said linear type stapler is not opened or nail bin 51 when not installing; Said fixture block is at the effect float downward of said spring; Floating block 1 under the effect of said fixture block also to float; The top of said fixture block snaps in the breach of bottom surface of ejector pin bar 3, makes ejector pin bar 3 not to be pushed forward, and promptly said insurance institution is opened; When nail bin 51 is mounted to down 5 last times of clamp; And behind the closed upper and lower clamp, nail anvil 6 expression lobes 13 make the said spring of rocker piece 1 compressing shrink; Thereby make said fixture block move down; Rocker piece 1 returns to can be so that the position that ejector pin bar 3 and push broach bar 4 pass through, and said fixture block breaks away from said breach, thereby makes said insurance institution be closed.
This utility model still has numerous embodiments, and all employing equivalents or equivalent transformation and all technical schemes of forming all drop within the protection domain of this utility model.
Claims (9)
1. linear type stapler; Comprise: can be each other the closed or upper and lower clamp opened, the said far-end of clamp down is provided with nail bin, said clamp down is a ∪ shape; Be provided with ejector pin bar and push broach bar in it slidably; It is characterized in that: also comprise an insurance institution, said insurance institution comprises a shackle member, and the bottom surface of said ejector pin bar is provided with the breach that matches with said shackle member; Said insurance institution also comprise one in said down clamp, carry out length travel, and the top that when it is connected to said nail bin or nail anvil, drives said shackle member carry out length travel and then make said shackle member and the isolating rocker piece of said breach.
2. linear type stapler according to claim 1; It is characterized in that: the bottom of said rocker piece is connected in the top of said shackle member; The bottom of said shackle member is connected in down clamp, axially is provided with first groove and second groove that supply said ejector pin bar and push broach bar to pass through respectively on the said rocker piece.
3. linear type stapler according to claim 2; It is characterized in that: the far-end of said rocker piece is provided with one and supplies the convexity of nail bin extruding; Said nail bin can be through the said convexity of extruding; And then the top that drives said shackle member carries out length travel, makes said shackle member separate with said breach.
4. linear type stapler according to claim 2; It is characterized in that: the near-end of said rocker piece is provided with one and supplies the convexity of nail anvil extruding; Said nail anvil can be through the said convexity of extruding; And then the top that drives said shackle member carries out length travel, makes said shackle member separate with said breach.
5. according to any described linear type stapler among the claim 1-4, it is characterized in that: said shackle member is a shell fragment, and the bottom of said shell fragment is welded in the said inwall of clamp down, and the top of said shell fragment is fixedly connected on said rocker piece.
6. linear type stapler according to claim 1; It is characterized in that: said shackle member is the fixture block of said rocker piece bottom; The end face of said fixture block matches with said breach, and the bottom of said fixture block is connected in the bottom surface of said down clamp through a spring, when rocker piece is connected to said nail bin or nail anvil; And then drive said shackle member and carry out length travel, make the bottom of said shackle member separate with said breach.
7. linear type stapler according to claim 6 is characterized in that: the integrated manufacturing of said fixture block and rocker piece.
8. according to any described linear type stapler among the claim 1-4, it is characterized in that: said shackle member is connected in the said central authorities of clamp bottom surface down, and said breach is arranged at the central authorities of said ejector pin bar bottom surface accordingly.
9. linear type stapler according to claim 1; It is characterized in that: the both sides of said rocker piece axially are provided with a convexity respectively; Said two medial walls of clamp down are respectively arranged with the kidney slot that matches with said convexity, and said convexity can vertically move in said kidney slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020664427.9U CN202122595U (en) | 2010-12-16 | 2010-12-16 | Linear cutting stitching instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020664427.9U CN202122595U (en) | 2010-12-16 | 2010-12-16 | Linear cutting stitching instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202122595U true CN202122595U (en) | 2012-01-25 |
Family
ID=45485669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020664427.9U Expired - Lifetime CN202122595U (en) | 2010-12-16 | 2010-12-16 | Linear cutting stitching instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202122595U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102068290A (en) * | 2010-12-16 | 2011-05-25 | 苏州天臣国际医疗科技有限公司 | Linear cutting stapler |
| WO2014094558A1 (en) * | 2012-12-18 | 2014-06-26 | 苏州天臣国际医疗科技有限公司 | Nail head assembly and straight stitching and cutting device applying nail head assembly |
| CN104042270A (en) * | 2013-03-13 | 2014-09-17 | 柯惠Lp公司 | Surgical stapling apparatus |
| CN104173088A (en) * | 2013-05-24 | 2014-12-03 | 瑞奇外科器械(中国)有限公司 | Cut stapler |
-
2010
- 2010-12-16 CN CN201020664427.9U patent/CN202122595U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102068290A (en) * | 2010-12-16 | 2011-05-25 | 苏州天臣国际医疗科技有限公司 | Linear cutting stapler |
| CN102068290B (en) * | 2010-12-16 | 2013-06-05 | 苏州天臣国际医疗科技有限公司 | Linear cutting stapler |
| US9700315B2 (en) | 2010-12-16 | 2017-07-11 | Touchstone International Medical Science Co., Ltd. | Linear cutting stapler |
| WO2014094558A1 (en) * | 2012-12-18 | 2014-06-26 | 苏州天臣国际医疗科技有限公司 | Nail head assembly and straight stitching and cutting device applying nail head assembly |
| US10070864B2 (en) | 2012-12-18 | 2018-09-11 | Touchstone International Medical Science Co., Ltd. | Loading unit assembly and linear surgical stapler with loading unit assembly |
| CN104042270A (en) * | 2013-03-13 | 2014-09-17 | 柯惠Lp公司 | Surgical stapling apparatus |
| CN104042270B (en) * | 2013-03-13 | 2018-05-04 | 柯惠Lp公司 | Surgical stapling apparatus |
| CN104173088A (en) * | 2013-05-24 | 2014-12-03 | 瑞奇外科器械(中国)有限公司 | Cut stapler |
| CN104173088B (en) * | 2013-05-24 | 2016-06-15 | 瑞奇外科器械(中国)有限公司 | A kind of stapler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102068290B (en) | Linear cutting stapler | |
| CN201949071U (en) | Linear type cutting suturing device | |
| CN101991453B (en) | Linear type cutting seaming device | |
| CN103654898B (en) | Linear seam cutting device | |
| CN102743201B (en) | Linear cutting suturing device | |
| CN202409017U (en) | Safety mechanism suitable for linear seam cutter | |
| CN101756727A (en) | Nail barn of linear type cutting closer | |
| CN202113110U (en) | Linear cut stapler | |
| CN202122595U (en) | Linear cutting stitching instrument | |
| CN204364049U (en) | A kind of nail-head component and chamber mirror surgical operation seaming and cutting device | |
| CN101991450B (en) | Linear seam cutting device | |
| CN203609466U (en) | Linear stitching and cutting apparatus | |
| CN202051756U (en) | Linear cutting and suturing machine | |
| CN202568351U (en) | Percussion mechanism for surgical linear cutting anastomat | |
| CN102068291A (en) | Linear seam cutter | |
| CN101756735A (en) | Nail barn of linear type binding equipment | |
| CN203564293U (en) | End effector, surgical operating instrument and purse-string forceps | |
| CN102058421B (en) | Linear cutting and stitching instrument | |
| CN201939413U (en) | Linear type sewing-cutting machine | |
| CN101869497B (en) | Sewing and cutting machine | |
| CN102138815B (en) | Suture device for surgical operation | |
| CN202426587U (en) | Linear suture and incision device for surgery | |
| CN103169516B (en) | Linear type suturing and cutting instrument used for surgery | |
| CN201328850Y (en) | Nail bin of a linear type binding apparatus | |
| CN201899533U (en) | Surgical cutting and suturing instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120125 Effective date of abandoning: 20130605 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120125 Effective date of abandoning: 20130605 |
|
| RGAV | Abandon patent right to avoid regrant |