CN104586449B - Stiching instrument and its firing safety mechanism - Google Patents
Stiching instrument and its firing safety mechanism Download PDFInfo
- Publication number
- CN104586449B CN104586449B CN201510014059.0A CN201510014059A CN104586449B CN 104586449 B CN104586449 B CN 104586449B CN 201510014059 A CN201510014059 A CN 201510014059A CN 104586449 B CN104586449 B CN 104586449B
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- connecting rod
- stiching instrument
- safety mechanism
- insurance connecting
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- 238000010304 firing Methods 0.000 title claims abstract description 47
- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 230000002265 prevention Effects 0.000 claims abstract description 21
- 238000009527 percussion Methods 0.000 claims abstract description 20
- 230000000452 restraining effect Effects 0.000 claims description 17
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
Abstract
The invention provides a kind of stiching instrument and its firing safety mechanism.Above-mentioned stiching instrument includes nail supporting base clamping plate, and above-mentioned firing safety mechanism includes：Insurance connecting rod, above-mentioned insurance connecting rod is rotatably mounted on above-mentioned nail supporting base clamping plate by elastomeric element, and above-mentioned insurance connecting rod realizes prevention or the permission of the percussion to above-mentioned stiching instrument；Discharge cock device, above-mentioned discharge cock device realizes the locking to above-mentioned insurance connecting rod or unblock.The present invention can be by realizing the locking to percussion or unblock to operating of firing safety mechanism, it is therefore possible to prevent the mistakenly hit of stiching instrument is sent out, and then prevent mistakenly hit from sending out the potential danger leading to, additionally, it is very convenient quick to operate, have the characteristics that structure is simple, low cost.
Description
Technical field
The present invention relates to medical instruments field, more particularly, to a kind of stiching instrument and its firing safety mechanism.
Background technology
In surgical operation, various medical apparatus and instruments become the requisite instrument of doctor, the application of medical apparatus and instruments and popularization
Make that modus operandi is more various, operating time is shorter, reduce error hand-manipulated, avoid infection, postoperative function recovers fast etc. many
Advantage.
In various medical apparatus and instruments, in order to avoid operation in maloperation apparatus it will usually setting suggestion device, such as color
Warning, action prompt etc..Wherein, firing safety mechanism is exactly one of the most frequently used maximally effective suggestion device.
In medical suturing instrument, a kind of conventional product is line cutting stitching instrument, is mainly used in opening of suture cavity tissue
Mouthful, neatly and very firmly it is not easy to there is suture stomatorrhagia in suture mouth.
Existing Linear stapler does not have a firing safety mechanism, after apparatus closed impaction tissue, continues to hold firing handle and is
Firing action can be completed, percussion means that also therefore, this design has a shortcoming it is simply that not having to organizing and implementing suture
Have and make doctor clearly know that will carry out is firing action, if doctor touches firing handle after apparatus closure cause to hit by mistake
Send out, operative failure can be caused.
Content of the invention
The invention provides a kind of stiching instrument and its firing safety mechanism, closed with least solving mistakenly hit clinking in medical apparatus and instruments
Device is to cause the technical problem of danger.
Embodiments provide a kind of firing safety mechanism of stiching instrument, above-mentioned stiching instrument includes nail supporting base clamping plate,
Above-mentioned firing safety mechanism includes：Insurance connecting rod, above-mentioned insurance connecting rod is rotatably mounted at above-mentioned supporting by elastomeric element
On nail seat clamping plate, above-mentioned insurance connecting rod realizes prevention or the permission of the percussion to above-mentioned stiching instrument；Discharge cock device, above-mentioned
Discharge cock device realizes the locking to above-mentioned insurance connecting rod or unblock.
Optionally, one end of above-mentioned insurance connecting rod is provided with prevention hook, and above-mentioned prevention hook realizes above-mentioned stiching instrument is hit
The prevention sent out or permission.
Optionally, above-mentioned discharge cock device includes driving lever, and the other end of above-mentioned insurance connecting rod is against above-mentioned insurance and opens
Close on the above-mentioned driving lever of device, above-mentioned driving lever realizes the locking to above-mentioned insurance connecting rod or unblock.
Optionally, after above-mentioned driving lever resets to initial position, above-mentioned insurance connecting rod is reset to by above-mentioned elastomeric element
Initial position.
Optionally, above-mentioned insurance connecting rod is provided with rotating shaft and the first block, and above-mentioned firing safety mechanism also includes stroke block,
Above-mentioned stroke block is provided with the second block, and above-mentioned elastomeric element is enclosed within above-mentioned rotating shaft, and one end of above-mentioned elastomeric element is against above-mentioned
On first block, it is against on above-mentioned second block after the other end compression of above-mentioned elastomeric element.
Optionally, above-mentioned elastomeric element is torsion spring or leaf spring.
Optionally, above-mentioned discharge cock device includes the first restraining position and the second restraining position, above-mentioned first spacing position
Put the locking making above-mentioned driving lever realize to above-mentioned insurance connecting rod, make above-mentioned insurance connecting rod realize the percussion to above-mentioned stiching instrument
Prevention, above-mentioned second restraining position makes the unblock that above-mentioned driving lever is realized to above-mentioned insurance connecting rod, makes above-mentioned insurance connecting rod
Realize the permission of the percussion to above-mentioned stiching instrument.
The embodiment of the present invention additionally provides a kind of stiching instrument, including the above-mentioned firing safety mechanism of any one.
Optionally, above-mentioned stiching instrument includes nail pushing plate it is characterised in that above-mentioned nail pushing plate is provided with projection, above-mentioned insurance
Connecting rod is by the above-mentioned raised prevention realizing the percussion to above-mentioned stiching instrument or permission.
Optionally, above-mentioned stiching instrument is Linear stapler or line cutting stitching instrument.
The present invention can be by realizing the locking to percussion or unblock to operating of firing safety mechanism, therefore, it is possible to prevent
Only the mistakenly hit of stiching instrument is sent out, and then prevents mistakenly hit from sending out the potential danger leading to, additionally, it is very convenient quick to operate, has
Structure is simple, the feature of low cost.
Stiching instrument of the present invention is also referred to as anastomat by those of ordinary skill in the art, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Brief description
Fig. 1 is that the firing safety mechanism of a kind of optional stiching instrument of the embodiment of the present invention insures closure in an initial condition
The structural representation at visual angle during state；
Fig. 2 is one of the insurance connecting rod of the firing safety mechanism of a kind of optional stiching instrument of the embodiment of the present invention and regards
The structural representation at angle；
Fig. 3 is the knot at a visual angle of the torsion spring of the firing safety mechanism of a kind of optional stiching instrument of the embodiment of the present invention
Structure schematic diagram；
Fig. 4 is a visual angle of the stroke block of the firing safety mechanism of a kind of optional stiching instrument of the embodiment of the present invention
Structural representation；
Fig. 5 is the generalized section of Fig. 1；
Fig. 6 be the embodiment of the present invention a kind of optional stiching instrument firing safety mechanism insure open mode when torsion
The cross-sectional view at one visual angle of the assembly relation of spring；
Fig. 6-1 is the enlarged diagram of the local A of Fig. 6；
Fig. 7 is firing safety mechanism suture when insuring closure state of a kind of optional stiching instrument of the embodiment of the present invention
The cross-sectional view at one visual angle of device closure；
Fig. 8 be the embodiment of the present invention a kind of optional stiching instrument firing safety mechanism insure open mode when again
The cross-sectional view at one visual angle.
In figure reference：Insurance connecting rod 1, stops hook 11, the other end 12, rotating shaft 13, the first block 14；Torsion spring 2；Protect
Dangerous switching device 3, driving lever 31, the first restraining position 32, the second restraining position 33；Stroke block 4, the second block 41；Nail supporting base presss from both sides
Plate 5；Nail pushing plate 6, raised 61；Firing handle 7；SR 8.
Specific embodiment is used for further illustrating but is not limited to the present invention below, and it is a kind of that example below is only the present invention
Optional embodiment.
Specific embodiment
As shown in figure 1, present embodiments providing a kind of firing safety mechanism of stiching instrument, above-mentioned stiching instrument includes nail supporting base
Clamping plate 5, above-mentioned firing safety mechanism includes：Insurance connecting rod 1 as shown in Figure 2, above-mentioned insurance connecting rod 1 passes through elastomeric element
It is rotatably mounted on above-mentioned nail supporting base clamping plate 5, above-mentioned insurance connecting rod 1 is realized the prevention of the percussion to above-mentioned stiching instrument or permitted
Permitted；Discharge cock device 3, above-mentioned discharge cock device 3 realizes locking or unblock to above-mentioned insurance connecting rod 1；As shown in Figure 4
Stroke block 4, above-mentioned stroke block 4 is rotatably mounted on above-mentioned nail supporting base clamping plate 5.
Optionally, above-mentioned elastomeric element is torsion spring 2 as shown in Figure 3, can also be leaf spring.
Optionally, as shown in Fig. 2 one end of above-mentioned insurance connecting rod 1 is provided with prevention hook 11, it is right that above-mentioned prevention hook 11 is realized
The prevention of the percussion of above-mentioned stiching instrument or permission.
Optionally, as shown in figure 5, above-mentioned discharge cock device 3 includes driving lever 31, above-mentioned insurance as shown in Figure 2 connects
The other end 12 of bar 1 is against on the above-mentioned driving lever 31 of above-mentioned discharge cock device 3, and above-mentioned driving lever 31 realizes above-mentioned insurance is connected
The locking of bar 1 or unblock.
Optionally, as shown in Fig. 2 above-mentioned insurance connecting rod 1 is additionally provided with rotating shaft 13 and the first block 14, as shown in figure 4, on
State stroke block 4 and be additionally provided with the second block 41, above-mentioned torsion spring 2 is enclosed within above-mentioned rotating shaft 13, one end of above-mentioned torsion spring 2 is against above-mentioned
On one block 14, it is against on above-mentioned second block 41 after the other end compression of above-mentioned torsion spring 2, as shown in fig. 6, the local A of Fig. 6
Enlarged diagram is as in Figure 6-1.
Optionally, after above-mentioned driving lever 31 resets to initial position, above-mentioned insurance connecting rod 1 is reset to by above-mentioned torsion spring 2
Initial position.
Optionally, as in Figure 6-1, above-mentioned discharge cock device 3 includes the first restraining position 32 and the second restraining position
33, above-mentioned first restraining position 32 makes the locking that above-mentioned driving lever 31 is realized to above-mentioned insurance connecting rod 1, makes above-mentioned insurance connecting rod
1 prevention realizing the percussion to above-mentioned stiching instrument, above-mentioned second restraining position 33 makes above-mentioned driving lever 31 realize to above-mentioned insurance even
The unblock of extension bar 1, makes above-mentioned insurance connecting rod 1 realize the permission of the percussion to above-mentioned stiching instrument.
Present embodiments provide a kind of Linear stapler, including any of the above-described firing safety mechanism.
Optionally, as shown in figure 5, above-mentioned Linear stapler includes nail pushing plate 6, above-mentioned nail pushing plate 6 is provided with raised 61, on
State insurance connecting rod 1 by above-mentioned raised 61 prevention or the permissions realizing the percussion to above-mentioned Linear stapler.
Operation principle generalized section such as Fig. 5, Fig. 7 including the above-mentioned Linear stapler of any of the above-described firing safety mechanism
And shown in Fig. 8.
As shown in figure 5, Fig. 5 is the generalized section of Fig. 1, above-mentioned Linear stapler is in original state, and above-mentioned insurance is opened
Positioned at above-mentioned first restraining position 32 as in Figure 6-1, above-mentioned first restraining position 32 makes the above-mentioned driving lever 31 closing device 3
State the locking that driving lever 31 is realized to above-mentioned insurance connecting rod 1, make above-mentioned insurance connecting rod 1 pass through to stop above-mentioned raised 61 realize right
The prevention of the percussion of above-mentioned Linear stapler.
As shown in fig. 7, holding firing handle 7 to make above-mentioned Linear stapler closure.Unclamp above-mentioned firing handle 7, above-mentioned hit
Send out handle 7 and be returned to original state as shown in Figure 5, continue to hold above-mentioned firing handle 7, above-mentioned firing handle 7 promotes above-mentioned
Nail pushing plate 6, above-mentioned raised the 61 of above-mentioned nail pushing plate 6 pushes up the above-mentioned prevention hook 11 of above-mentioned insurance connecting rod 1, makes above-mentioned nail pushing plate
6 cannot continue to move to, and then make above-mentioned firing handle 7 cannot continue to hold, and above-mentioned Linear stapler cannot fire.
As shown in figure 8, above-mentioned driving lever 31 is pushed into above-mentioned second restraining position 33 as in Figure 6-1, above-mentioned driving lever 31
The above-mentioned other end 12 promoting above-mentioned insurance connecting rod 1 makes above-mentioned insurance connecting rod 1 rotate counterclockwise around its rotating shaft, above-mentioned insurance
The above-mentioned prevention hook 11 of connecting rod 1 turns to above-mentioned raised the 61 of above-mentioned nail pushing plate 6 lower section.Hold above-mentioned firing handle 7, on
State firing handle 7 and promote above-mentioned nail pushing plate 6, above-mentioned raised 61 on above-mentioned nail pushing plate 6 will not be upper by above-mentioned insurance connecting rod 1
State prevention hook 11 to prop up, above-mentioned firing handle 7 is held and completes on earth to fire.
After the completion of percussion, press SR 8 as shown in Figure 8, above-mentioned Linear stapler resets, manually by above-mentioned driving lever
31 are pushed into above-mentioned first restraining position 32 from above-mentioned second restraining position 33, make above-mentioned driving lever 31 be returned to as shown in Figure 5 just
Beginning state, above-mentioned insurance connecting rod 1 rotates clockwise in the presence of above-mentioned torsion spring 2 as in Figure 6-1, is returned to as Fig. 5
Shown original state, apparatus completes to reset.
Above-mentioned reset, that is, reset to initial position as shown in Figure 5, and above-mentioned locking as prevents from firing, and makes above-mentioned insurance
Connecting rod 1 is in the position as shown in Fig. 5 or Fig. 7, above-mentioned unblock as allow fire, make above-mentioned insurance connecting rod 1 be in as
Position shown in Fig. 8.
Above-mentioned Linear stapler also can be replaced line cutting stitching instrument.
The foregoing is only the alternative embodiment of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (9)
1. a kind of firing safety mechanism of stiching instrument, described stiching instrument includes nail supporting base clamping plate (5) it is characterised in that described hit
Send out insurance institution to include：
Insurance connecting rod (1), described insurance connecting rod (1) is rotatably mounted at described nail supporting base clamping plate by elastomeric element (2)
(5), on, described insurance connecting rod (1) realizes prevention or the permission of the percussion to described stiching instrument；
Discharge cock device (3), described discharge cock device (3) realizes locking or unblock to described insurance connecting rod (1)；
Described discharge cock device (3) includes driving lever (31), and one end (12) of described insurance connecting rod (1) is against described insurance and opens
Close on the described driving lever (31) of device (3), described driving lever (31) realizes locking or unblock to described insurance connecting rod (1).
2. firing safety mechanism according to claim 1 is it is characterised in that the other end of described insurance connecting rod (1) sets
There are prevention hook (11), the described prevention stoping hook (11) from realizing the percussion to described stiching instrument or permission.
3. firing safety mechanism according to claim 1 is it is characterised in that described driving lever (31) resets to initial position
Afterwards, described insurance connecting rod (1) resets to initial position by described elastomeric element (2).
4. firing safety mechanism according to claim 1 is it is characterised in that described insurance connecting rod (1) is provided with rotating shaft
(13) and the first block (14), described firing safety mechanism also includes stroke block (4), and described stroke block (4) is provided with the second block
(41), described elastomeric element (2) is enclosed within described rotating shaft (13), and one end of described elastomeric element (2) is against described first block
(14), on, it is against on described second block (41) after the other end compression of described elastomeric element (2).
5. firing safety mechanism according to claim 1 is it is characterised in that described elastomeric element (2) is torsion spring or leaf spring.
6. firing safety mechanism according to claim 1 is it is characterised in that described discharge cock device (3) includes first
Restraining position (32) and the second restraining position (33), described first restraining position (32) makes described driving lever (31) realize to described guarantor
The locking of dangerous connecting rod (1), makes described insurance connecting rod (1) realize the prevention of the percussion to described stiching instrument, described second limit
Position position (33) makes described driving lever (31) realize to the described unblock insuring connecting rod (1), so that described insurance connecting rod (1) is realized
Permission to the percussion of described stiching instrument.
7. a kind of stiching instrument is it is characterised in that include the firing safety mechanism any one of claim 1 to 6.
8. stiching instrument according to claim 7, described stiching instrument includes nail pushing plate (6) it is characterised in that described nail pushing plate
(6) it is provided with raised (61), described insurance connecting rod (1) realizes the resistance of the percussion to described stiching instrument by described projection (61)
Stop or allow.
9. according to the arbitrary described stiching instrument of claim 7 or 8 it is characterised in that described stiching instrument is Linear stapler or straight
Wire cutting stiching instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510014059.0A CN104586449B (en) | 2015-01-12 | 2015-01-12 | Stiching instrument and its firing safety mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510014059.0A CN104586449B (en) | 2015-01-12 | 2015-01-12 | Stiching instrument and its firing safety mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN104586449A CN104586449A (en) | 2015-05-06 |
| CN104586449B true CN104586449B (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510014059.0A Expired - Fee Related CN104586449B (en) | 2015-01-12 | 2015-01-12 | Stiching instrument and its firing safety mechanism |
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| Country | Link |
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| CN (1) | CN104586449B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107334504B (en) * | 2016-12-29 | 2019-01-25 | 江苏风和医疗器材股份有限公司 | Shaft member and surgical instruments for surgical instruments |
| CN106691526A (en) * | 2016-12-29 | 2017-05-24 | 江苏风和医疗器材股份有限公司 | Surgical instrument and rod component for same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0539762A1 (en) * | 1991-10-30 | 1993-05-05 | American Cyanamid Company | Linear surgical stapling instrument |
| CN102835984A (en) * | 2012-09-18 | 2012-12-26 | 常州市康迪医用吻合器有限公司 | Cutting anastomat for surgical operation |
| CN103006282A (en) * | 2012-12-28 | 2013-04-03 | 北京中法派尔特医疗设备有限公司 | Surgical stitching instrument with safety device |
| CN104224260A (en) * | 2014-09-19 | 2014-12-24 | 重庆康美唯外科器械有限公司 | Mistaken-percussion-proof safety mechanism for anastomat and anastomat |
| CN204484213U (en) * | 2015-01-12 | 2015-07-22 | 天津万和医疗器械有限公司 | Stiching instrument and firing safety mechanism thereof |
-
2015
- 2015-01-12 CN CN201510014059.0A patent/CN104586449B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0539762A1 (en) * | 1991-10-30 | 1993-05-05 | American Cyanamid Company | Linear surgical stapling instrument |
| CN102835984A (en) * | 2012-09-18 | 2012-12-26 | 常州市康迪医用吻合器有限公司 | Cutting anastomat for surgical operation |
| CN103006282A (en) * | 2012-12-28 | 2013-04-03 | 北京中法派尔特医疗设备有限公司 | Surgical stitching instrument with safety device |
| CN104224260A (en) * | 2014-09-19 | 2014-12-24 | 重庆康美唯外科器械有限公司 | Mistaken-percussion-proof safety mechanism for anastomat and anastomat |
| CN204484213U (en) * | 2015-01-12 | 2015-07-22 | 天津万和医疗器械有限公司 | Stiching instrument and firing safety mechanism thereof |
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| Publication number | Publication date |
|---|---|
| CN104586449A (en) | 2015-05-06 |
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| CB03 | Change of inventor or designer information |
Inventor after: Sun Jingrong Inventor before: Pang Jian Inventor before: Li Xuejun |
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| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
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| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 301702 Tianjin city Wuqing District Beijing E-Commerce Industrial Park Hongxing Road No. 28-2 Patentee after: Surplus medical equipment manufacturing (Tianjin) Co., Ltd. Address before: 301702 Tianjin city Wuqing District Beijing E-Commerce Industrial Park Hongxing Road No. 28-2 Patentee before: Tianjin Wan He Medical Devices Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 301702 Hongjin road 28-2, Beijing Tianjin Electronic Commerce Industrial Park, Wuqing, Tianjin Patentee after: Tianjin Wan He Medical Devices Co., Ltd. Address before: 301702 Hongjin road 28-2, Beijing Tianjin Electronic Commerce Industrial Park, Wuqing, Tianjin Patentee before: Surplus medical equipment manufacturing (Tianjin) Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20210112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |