CN108542456A - A kind of stapler with percussion linkage - Google Patents
A kind of stapler with percussion linkage Download PDFInfo
- Publication number
- CN108542456A CN108542456A CN201810269230.6A CN201810269230A CN108542456A CN 108542456 A CN108542456 A CN 108542456A CN 201810269230 A CN201810269230 A CN 201810269230A CN 108542456 A CN108542456 A CN 108542456A
- Authority
- CN
- China
- Prior art keywords
- gib block
- mentioned
- trigger shaft
- percussion
- stapler
- 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.)
- Pending
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/326—Circumcision apparatus
Abstract
The present invention provides a kind of staplers with percussion linkage, and above-mentioned percussion linkage includes trigger shaft, and above-mentioned trigger shaft is equipped with the first gib block and the second gib block.Technical solution of the present invention is directed to above-mentioned deficiency in the prior art, using novel percussion rod structure, ensure to ensure that trigger shaft provides enough motive forces and restoring force for nail pushing device on the basis of reducing trigger shaft with inner wall of metal tube frictional force, ensures that instrument has good reliability and comfort.
Description
Technical field
The present invention relates to medical instruments field, more particularly to a kind of stapler with percussion linkage.
Background technology
Motive force and the mechanism of reset force are provided for nail pushing device when stapler fires, stapler passes through percussion in percussion
The percussion force of firing handle is transmitted on nail pushing device by bar, and then titanium nail is pushed to complete titanium nail percussion molding；Stapler is firing
After the completion, trigger shaft is pushed by firing resetting spring, trigger shaft and nail pushing device is made to reset.
The trigger shaft of stapler is arcuate structure, is installed in use in curved metal pipe, and instrument is hit when firing
Hair bar moves back and forth in curved metal pipe, and trigger shaft is limited because of the structure of metal tube in motion process, and trigger shaft need to overcome bullet
Property deformation and curved metal inside pipe wall generate fierce friction, the serious bad phenomenons such as can cause trigger shaft that can not reset.It is existing
The percussion rod structure used in stapler, because of the fault of construction of trigger shaft, percussion force is excessive directly causes in percussion for trigger shaft
Instrument comfort reduces；When trigger shaft is replied because the frictional force of trigger shaft and metal tube is excessive, it is slow that trigger shaft is replied
Or it can not reset.
The percussion linkage of existing stapler and the frictional force of inner wall of metal tube are excessive, cause instrument percussion force excessive and hit
The defects of firing handle can not reset after the completion of hair.Therefore need to be proposed a kind of stapler with new percussion linkage.
Invention content
The present invention provides a kind of staplers with percussion linkage, at least to solve hitting for stapler in the prior art
The frictional force for sending out linkage and inner wall of metal tube is excessive, and firing handle can not answer after the completion of causing instrument percussion force excessive and percussion
The technical issues of the defects of position.
The present invention provides a kind of staplers with percussion linkage, and above-mentioned percussion linkage includes trigger shaft, above-mentioned
Trigger shaft is equipped with the first gib block and the second gib block.
Optionally, above-mentioned percussion linkage further includes lower supporting plate and upper backup pad, and above-mentioned lower supporting plate is equipped with third
Gib block, above-mentioned upper backup pad are equipped with the 4th gib block.
Optionally, above-mentioned first gib block and above-mentioned second gib block are located at the both sides of above-mentioned trigger shaft.
Optionally, above-mentioned first gib block and above-mentioned second gib block are symmetrical relative to the center line of above-mentioned trigger shaft.
Optionally, above-mentioned third gib block is located at the centre of above-mentioned lower supporting plate outer surface.
Optionally, above-mentioned 4th gib block is located at the centre of above-mentioned upper backup pad outer surface.
Optionally, above-mentioned first gib block and above-mentioned second gib block are round gib block.
Optionally, above-mentioned third gib block and above-mentioned 4th gib block are round gib block.
Optionally, above-mentioned percussion linkage further includes bend pipe, firing handle, nail pushing device and percussion resetting spring.
Optionally, above-mentioned stapler is tube type anastomat, linear anastomat or anastomat for circumcision.
Technical solution of the present invention is directed to above-mentioned deficiency in the prior art, using novel percussion rod structure, it is ensured that reducing
Trigger shaft provides enough motive forces and restoring force with guarantee trigger shaft on the basis of inner wall of metal tube frictional force for nail pushing device, protects
Demonstrate,proving instrument has good reliability and comfort.
Description of the drawings
Fig. 1 is a kind of schematic internal view for optional percussion linkage that the embodiment of the present invention 1 provides；
Fig. 2 is a kind of outside schematic diagram for optional percussion linkage that the embodiment of the present invention 1 provides；
Fig. 3 is a kind of schematic diagram for optional trigger shaft including the first gib block that the embodiment of the present invention 1 provides；
Fig. 4 is a kind of schematic diagram for optional trigger shaft including the second gib block that the embodiment of the present invention 1 provides；
Fig. 5 is a kind of schematic diagram for optional upper backup pad including third gib block that the embodiment of the present invention 1 provides；
Fig. 6 is a kind of schematic diagram for optional lower supporting plate including the 4th gib block that the embodiment of the present invention 1 provides；
Fig. 7 is the assembly signal of a kind of optional trigger shaft, upper backup pad and lower supporting plate that the embodiment of the present invention 1 provides
Figure；
Fig. 8 is diagrammatic cross-section shown in the arrow direction of Fig. 7.
Specific implementation mode is only that the present invention is a kind of for further illustrating but being not limited to the present invention, following example below
It is preferably carried out mode.
Specific implementation mode
Embodiment 1：
The embodiment of the present invention is as shown in Figures 1 to 8.
As shown in Figures 1 and 2, the percussion linkage of stapler provided in an embodiment of the present invention includes trigger shaft 1, upper support
Plate 3, lower supporting plate 2, bend pipe 4, firing handle 5, nail pushing device 6 and percussion resetting spring 7.Above-mentioned upper backup pad 3 and above-mentioned lower branch
Fagging 2 is assembled in composition percussion rod unit on above-mentioned trigger shaft 1, and above-mentioned percussion rod unit is mounted in above-mentioned bend pipe 4, above-mentioned to push away
Nail device 6 is connected by a snap mounted on the front end of above-mentioned trigger shaft 1, motive force and drawing of the above-mentioned nail pushing device 6 in above-mentioned trigger shaft 1
Back and forth movement is done under force effect.Above-mentioned percussion resetting spring 7 is mounted on the tail portion of above-mentioned trigger shaft 1, and above-mentioned firing handle 5 is located at
The tail portion of above-mentioned trigger shaft 1 is that above-mentioned trigger shaft 1 provides motive force.1 compressed spring of above-mentioned trigger shaft when percussion, after the completion of percussion
Above-mentioned trigger shaft 1 and above-mentioned firing handle 5 reset under the restoring force of spring.
Optionally, as shown in Figures 3 and 4, above-mentioned trigger shaft 1 is equipped with the first gib block 11 and the second gib block 12.Drop
The low frictional force generated between above-mentioned trigger shaft 1 and above-mentioned bend pipe 4, it is ensured that above-mentioned trigger shaft 1 is fast after the completion of instrument fires
Reply immediately position.
Optionally, as shown in Figures 5 and 6, above-mentioned percussion linkage further includes lower supporting plate 2 and upper backup pad 3, under above-mentioned
Support plate 2 is equipped with third gib block 21, and above-mentioned upper backup pad 3 is equipped with the 4th gib block 31.It further reduced above-mentioned hit
The frictional force generated between hair bar 1 and above-mentioned bend pipe 4, it is ensured that Rapid reset after the completion of instrument fires of above-mentioned trigger shaft 1.
Optionally, as shown in Figures 7 and 8, above-mentioned first gib block 11 and above-mentioned second gib block 12 are located at above-mentioned percussion
The both sides of bar 1.It is uniformly distributed, it is better.
Optionally, as shown in Figures 7 and 8, above-mentioned first gib block 11 and above-mentioned second gib block 12 are hit relative to above-mentioned
The center line 13 for sending out bar 1 is symmetrical.
Optionally, as shown in Fig. 6 and Fig. 7 and Fig. 8, above-mentioned third gib block 21 is located at 2 outer surface of above-mentioned lower supporting plate
It is intermediate.
Optionally, as shown in Fig. 5 and Fig. 7 and Fig. 8, above-mentioned 4th gib block 31 is located at 3 outer surface of above-mentioned upper backup pad
It is intermediate.
Optionally, above-mentioned first gib block 11 and above-mentioned second gib block 12 are round gib block.Round gib block design
Make contact friction force smaller.
Optionally, above-mentioned third gib block 21 and above-mentioned 4th gib block 31 are round gib block.
Optionally, above-mentioned stapler is tube type anastomat, linear anastomat or anastomat for circumcision.Specific work
Process is as follows：
The first step, operator applies percussion force to above-mentioned firing handle 5 when percussion, and above-mentioned firing handle 5 passes percussion force
Above-mentioned trigger shaft 1 is passed, above-mentioned trigger shaft 1 is pushed to move forward.
Second step, above-mentioned trigger shaft 1 are influenced after obtaining motive force by 4 shape of above-mentioned bend pipe, and above-mentioned trigger shaft 1 produces
It is raw to be plastically deformed and move forward.With the deformation and movement of above-mentioned trigger shaft 1, the left and right sides protrusion of above-mentioned trigger shaft 1
The downside gib block of gib block, the upside gib block of upper backup pad and lower supporting plate is contacted with elbow internal wall generation, causes to contact
Friction, since gib block reduces the contact area of above-mentioned trigger shaft 1 and 4 inner wall of above-mentioned bend pipe, greatly reduces above-mentioned percussion
The frictional force of bar 1 and above-mentioned bend pipe 4, to ensure that the movement in above-mentioned bend pipe 4 of above-mentioned trigger shaft 1 is smooth.
Third walks, and while above-mentioned trigger shaft 1 moves forward, above-mentioned trigger shaft 1 squeezes above-mentioned percussion spring 7 and generates pressure
Compression deformation, above-mentioned trigger shaft 1 by above-mentioned percussion spring 7 reversed elastic force.When firing completion, what above-mentioned trigger shaft 1 was subject to
Percussion force terminates, and above-mentioned trigger shaft 1 back moves under the elastic force effect of above-mentioned percussion resetting spring 7, and pushes above-mentioned percussion
Handle 5 also resets.
4th step：Above-mentioned trigger shaft 1 is resetted above-mentioned nail pushing device 6 by snap device while resetting, and instrument is completed
Percussion.
The technical solution of the embodiment of the present invention reduces the active force of trigger shaft and bend pipe, reduces percussion force and fires back
Multiple power, to improve the reliability and comfort of instrument.The scenario-frame of the embodiment of the present invention is simple, instrument percussion force
Small, reliable high, it is good that instrument fires comfort.
Claims (10)
1. a kind of stapler with percussion linkage, the percussion linkage includes trigger shaft (1), it is characterised in that：It is described
Trigger shaft (1) is equipped with the first gib block (11) and the second gib block (12).
2. stapler according to claim 1, it is characterised in that：The percussion linkage further include lower supporting plate (2) and
Upper backup pad (3), the lower supporting plate (2) are equipped with third gib block (21), and the upper backup pad (3) is equipped with the 4th and is oriented to
Item (31).
3. stapler according to claim 1, it is characterised in that：First gib block (11) and second gib block
(12) it is located at the both sides of the trigger shaft (1).
4. stapler according to claim 3, it is characterised in that：First gib block (11) and second gib block
(12) symmetrical relative to the center line (13) of the trigger shaft (1).
5. stapler according to claim 2, it is characterised in that：The third gib block (21) is located at the lower supporting plate
(2) centre of outer surface.
6. stapler according to claim 2, it is characterised in that：4th gib block (31) is located at the upper backup pad
(3) centre of outer surface.
7. stapler according to claim 1, it is characterised in that：First gib block (11) and second gib block
(12) it is round gib block.
8. stapler according to claim 2, it is characterised in that：The third gib block (21) and the 4th gib block
(31) it is round gib block.
9. stapler according to any one of claims 1 to 8, it is characterised in that：The percussion linkage further includes bend pipe
(4), firing handle (5), nail pushing device (6) and percussion resetting spring (7).
10. stapler according to any one of claims 1 to 8, it is characterised in that：The stapler is tube type anastomat, directly
Line style stapler or anastomat for circumcision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810269230.6A CN108542456A (en) | 2018-03-29 | 2018-03-29 | A kind of stapler with percussion linkage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810269230.6A CN108542456A (en) | 2018-03-29 | 2018-03-29 | A kind of stapler with percussion linkage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108542456A true CN108542456A (en) | 2018-09-18 |
Family
ID=63517270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810269230.6A Pending CN108542456A (en) | 2018-03-29 | 2018-03-29 | A kind of stapler with percussion linkage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108542456A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200939154Y (en) * | 2006-08-03 | 2007-08-29 | 瑞奇外科器械(北京)有限公司 | Automatic restorable security device of anastomat for surgery |
| US20100051668A1 (en) * | 2008-09-03 | 2010-03-04 | Milliman Keith L | Surgical instrument with indicator |
| CN102783985A (en) * | 2011-05-19 | 2012-11-21 | 伊西康内外科公司 | Circular stapler with frictional reducing member |
| CN104257409A (en) * | 2014-10-09 | 2015-01-07 | 飞依诺科技(苏州)有限公司 | Stapling device |
| CN104398280A (en) * | 2014-11-13 | 2015-03-11 | 江苏博朗森思医疗器械有限公司 | Tubular anastomat with non-return function |
| CN107049383A (en) * | 2017-06-12 | 2017-08-18 | 常州艾隆精密机械有限公司 | A kind of air shuttle valve for abdominal cavity puncture outfit |
| CN212729891U (en) * | 2018-03-29 | 2021-03-19 | 盈甲医疗器械制造（上海）有限公司 | Anastomat with firing rod mechanism |
-
2018
- 2018-03-29 CN CN201810269230.6A patent/CN108542456A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200939154Y (en) * | 2006-08-03 | 2007-08-29 | 瑞奇外科器械(北京)有限公司 | Automatic restorable security device of anastomat for surgery |
| US20100051668A1 (en) * | 2008-09-03 | 2010-03-04 | Milliman Keith L | Surgical instrument with indicator |
| CN102783985A (en) * | 2011-05-19 | 2012-11-21 | 伊西康内外科公司 | Circular stapler with frictional reducing member |
| CN104257409A (en) * | 2014-10-09 | 2015-01-07 | 飞依诺科技(苏州)有限公司 | Stapling device |
| CN104398280A (en) * | 2014-11-13 | 2015-03-11 | 江苏博朗森思医疗器械有限公司 | Tubular anastomat with non-return function |
| CN107049383A (en) * | 2017-06-12 | 2017-08-18 | 常州艾隆精密机械有限公司 | A kind of air shuttle valve for abdominal cavity puncture outfit |
| CN212729891U (en) * | 2018-03-29 | 2021-03-19 | 盈甲医疗器械制造（上海）有限公司 | Anastomat with firing rod mechanism |
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