CN105266865A - Stitching device with percussion locking unit - Google Patents
Stitching device with percussion locking unit Download PDFInfo
- Publication number
- CN105266865A CN105266865A CN201410356680.0A CN201410356680A CN105266865A CN 105266865 A CN105266865 A CN 105266865A CN 201410356680 A CN201410356680 A CN 201410356680A CN 105266865 A CN105266865 A CN 105266865A
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- CN
- China
- Prior art keywords
- pushing plate
- nail pushing
- stiching instrument
- locking plate
- pin ejector
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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.)
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Abstract
The invention provides a stitching device with a percussion locking unit; the stitching device comprises a stitching device body, and a pin ejector board and a release button arranged on the stitching device body; the release button is provided with a pin ejector board locking plate; the pin ejector board is provided with a pin ejector board boss; the far end of the pin ejector board locking plate abuts against the pin ejector board boss. In usage, a percussion handle is held to push the pin ejector board, thus driving a cutter to finish cutting; when the cutting is finished, the far end of the pin ejector board locking plate is joint with the pin ejector board boss, so the pin ejector board cannot return to the original state; even if the doctor re-hold the percussion handle, the pin ejector board cannot be pushed, thus preventing secondary percussion of the stitching device, preventing secondary cutting of the cutter, and avoiding medical accidents.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly a kind of stiching instrument with percussion locking device.
Background technology
In medical science applied surgical operation, since first staple series products appears in the sixties in 20th century, Medical stapler has become the requisite a kind of medical apparatus and instruments aided in edge of a knife sewing process.Along with development and the new-product development of medical science, more and more multi-functional staple series products is applied to clinical.The scope of application has related to the every field such as gastrointestinal surgery, Genneral Surgery, thoracic surgery, Urology Surgery, department of obstetrics and gynecology, becomes one of requisite instrument of doctor.Use anastomat and staple to sew up, have less hemorrhage, less operating time in art, with apparatus replace manual thus reduce cause due to manual operations error, avoid infection, postoperative function recovers the multiple advantage such as fast.
US Patent No. 5697543 discloses a kind of stiching instrument, this stiching instrument comprises the parts such as close handles, firing handle, release-push, nail bin, nail pushing plate, first holds close handles in operation, and close handles drives nail bin to complete closed, hold firing handle again, nail pushing plate promotes the staple in nail bin, completes percussion, now unclamps firing handle, nail pushing plate homing, now press release-push, nail bin homing, completes operation.
A kind of typical stiching instrument, the basis of above-mentioned patent US5697543 adds cutter, and nail pushing plate promotes cutter, and when firing handle homing, nail pushing plate drives cutter also homing.When using this kind of anastomat, doctor forget sometimes whether pull the trigger or flurried in maloperation, cause thus and again hold firing handle, cause secondary cut, now cutter likely cut the staple of the tissue sewed up or molding, cause malpractice.
Therefore, how avoiding pulling the trigger the secondary of stiching instrument, is the problem that those skilled in the art need to solve.
Summary of the invention
The object of this invention is to provide a kind of stiching instrument that can prevent secondary from pulling the trigger.
To achieve these goals, the invention provides a kind of stiching instrument with percussion locking device, comprise stiching instrument body, be arranged on nail pushing plate on described stiching instrument body and release-push, described release-push is provided with nail pushing plate locking plate, described nail pushing plate is provided with nail pushing plate projection, the far-end of described nail pushing plate locking plate can abut with described nail pushing plate projection.
Preferably, described nail pushing plate locking plate is flexibly connected by pin with described release-push, and described pin is provided with torsion spring.
Preferably, described release-push is fixedly connected with described nail pushing plate locking plate.
Preferably, described nail pushing plate locking plate is made up of elastomeric material.
Preferably, described nail pushing plate locking plate is leaf spring.
Preferably, the indicating card be connected with described nail pushing plate is also comprised and the indicating window that is connected with described indicating card.
Preferably, groove is provided with below described nail pushing plate projection.
Preferably, the far-end of described nail pushing plate locking plate is provided with locking plate projection.
The stiching instrument with percussion locking device provided by the invention, comprise stiching instrument body, be arranged on nail pushing plate on described stiching instrument body and release-push, described release-push is provided with nail pushing plate locking plate, described nail pushing plate is provided with nail pushing plate projection, the far-end of described nail pushing plate locking plate can abut with described nail pushing plate projection.Stiching instrument in use, when holding firing handle, firing handle promotes nail pushing plate, and nail pushing plate promotes cutter and completes cutting, after nail pushing plate completes cutting, the far-end of nail pushing plate locking plate abuts with nail pushing plate projection, makes nail pushing plate return original state, even if thus doctor holds firing handle again, firing handle also can not play a driving role to nail pushing plate again, thus prevent the secondary of stiching instrument to pull the trigger, namely avoid the secondary cut of cutter, prevent the generation of malpractice.
Accompanying drawing explanation
Fig. 1 is stiching instrument according to an embodiment of the invention cross-sectional view in an initial condition;
Fig. 2 is the cross-sectional view in closed state of stiching instrument shown in Fig. 1;
Fig. 3 is the cross-sectional view of stiching instrument shown in Fig. 1 under cock;
Fig. 4 is the explosive view of stiching instrument shown in Fig. 1;
Fig. 5 is the explosive view of the release-push of stiching instrument shown in Fig. 1.
Detailed description of the invention
Core of the present invention is to provide a kind of stiching instrument that can prevent secondary from pulling the trigger.
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
See Fig. 1 to Fig. 5, provide a kind of stiching instrument with percussion locking device according to one embodiment of present invention, comprise stiching instrument body 1, be arranged on nail pushing plate 12 on stiching instrument body 1 and release-push 11, release-push 11 is provided with nail pushing plate locking plate 111, nail pushing plate 12 is provided with nail pushing plate projection 121, the far-end of nail pushing plate locking plate 111 can abut with nail pushing plate protruding 121.As shown in Figure 1, under the original state before stiching instrument uses, nail pushing plate locking plate 111 does not contact with nail pushing plate protruding 121, and nail bin 15 is in original state, with further reference to Fig. 2, show the closure state of stiching instrument, now hold the close handles 14 of stiching instrument, the lower jaw that nail bin 15 and stiching instrument perform end closes, with further reference to Fig. 3, show the cock of stiching instrument, now hold the firing handle 13 of stiching instrument, this firing handle 13 makes nail pushing plate 12 advance, nail pushing plate 12 and then the staple promoted in nail bin 15, and promote cutter (not shown) to cut and organize, after percussion, the far-end of nail pushing plate locking plate 111 abuts with nail pushing plate protruding 121 just, make nail pushing plate 12 locked, therefore stiching instrument can not return original state, even if therefore doctor holds firing handle 13 again because of maloperation, firing handle 13 also can not play a driving role to nail pushing plate 12 and cutter again, thus prevent the secondary of stiching instrument to pull the trigger, namely the secondary cut tissue of cutter is avoided, prevent malpractice from occurring.Above-mentioned ejector pin locking plate 111 for leaf spring or can be made up of other elastomeric material, and release-push 11 can be fixedly connected with nail pushing plate locking plate 111.
Further, as shown in Figure 5, nail pushing plate locking plate 111 also can be flexibly connected by pin 112 with release-push 11, pin 112 is provided with torsion spring 113.Thus, nail pushing plate locking plate 111 can carry out activity relative to release-push 11, and torsion spring 113 makes the far-end of nail pushing plate locking plate 111 keep tilting down, can ensure that the far-end of nail pushing plate locking plate 111 can abut with nail pushing plate protruding 121 like this, this kind of mode makes the operation of nail pushing plate locking plate 111 more flexibly and stablizes.
Further, see Fig. 4, the indicating card 16 be connected with nail pushing plate 12 and the indicating window (not shown) be connected with indicating card 16 can also be comprised according to stiching instrument of the present invention.Under the original state of stiching instrument, nail pushing plate locking plate 111 does not contact with nail pushing plate protruding 121, and the indicating window be now connected with indicating card 16 is shown as white.Further, under the closure state of stiching instrument, hold the close handles 13 of stiching instrument, then nail bin 15 closes with the lower jaw of stiching instrument end effector, and nail pushing plate 12 drives indicating card 16 to move, and makes indicating window shown in green.Further, under the cock of stiching instrument, hold the firing handle 13 of stiching instrument, nail pushing plate 12 advances, staple in percussion nail bin 15, and promote cutter to cut and organize, now, the far-end of nail pushing plate locking plate 111 abuts with nail pushing plate protruding 121, make nail pushing plate 12 locked and can not retreat, thus stiching instrument can not return original state, the indicating window be now connected with indicating card 16 is shown in red, because indicating card 16 is connected with nail pushing plate 12, when nail pushing plate 12 is locked, indicating card 16 is also locked motionless, therefore before pressing release-push 11, indicating window will keep display red always, operator's stiching instrument is reminded to complete percussion.
Further, nail pushing plate projection can be provided with groove (not shown) 121 times, after stiching instrument has been pulled the trigger, the far-end of nail pushing plate locking plate 111 can embed in groove, and the far-end of nail pushing plate locking plate 111 can be avoided so further to abut retrolisthesis with nail pushing plate protruding 121.Arranging when nail pushing plate locking plate 111 can be made to abut with nail pushing plate protruding 121 of groove is more firm.Further, as shown in Figure 5, the far-end of nail pushing plate locking plate 111 is provided with locking plate projection 1111, locking plate projection 1111 makes nail pushing plate locking plate 111 reduce with the contact area of nail pushing plate projection 121, to make between nail pushing plate locking plate 111 with nail pushing plate projection 121 mutual abuts more firm, not easily skidding occurs.
Near-end herein, far-end limited according to industry practice, and be namely near-end from person close to doctor during operation, opposite end is far-end.
Above the stiching instrument with percussion locking device provided by the present invention is described in detail.Apply concrete example herein to set forth principle of the present invention and embodiment, but the explanation of above embodiment just understands principle of the present invention and core concept thereof for helping, not limiting the scope of the present invention.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (8)
1. one kind has the stiching instrument of percussion locking device, comprise stiching instrument body (1), be arranged on nail pushing plate (12) on described stiching instrument body (1) and release-push (11), it is characterized in that, described release-push (11) is provided with nail pushing plate locking plate (111), described nail pushing plate (12) is provided with nail pushing plate projection (121), the far-end of described nail pushing plate locking plate (111) can abut with described nail pushing plate projection (121).
2. stiching instrument according to claim 1, it is characterized in that, described nail pushing plate locking plate (111) is flexibly connected by pin (112) with described release-push (11), described pin is provided with torsion spring (113).
3. stiching instrument according to claim 1, is characterized in that, described release-push (11) is fixedly connected with described nail pushing plate locking plate (111).
4. the stiching instrument according to claim 1 or 3, is characterized in that, described nail pushing plate locking plate (111) is made up of elastomeric material.
5. stiching instrument according to claim 4, is characterized in that, described nail pushing plate locking plate (111) is leaf spring.
6. stiching instrument according to any one of claim 1 to 3, is characterized in that, also comprises the indicating card (15) be connected with described nail pushing plate (12) and the indicating window be connected with described indicating card (15).
7. stiching instrument according to claim 1, is characterized in that, described nail pushing plate projection (121) below is provided with groove.
8. stiching instrument according to claim 6, is characterized in that, the far-end of described nail pushing plate locking plate (111) is provided with locking plate projection (1111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410356680.0A CN105266865B (en) | 2014-07-25 | 2014-07-25 | A kind of stitching unstrument with percussion locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410356680.0A CN105266865B (en) | 2014-07-25 | 2014-07-25 | A kind of stitching unstrument with percussion locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105266865A true CN105266865A (en) | 2016-01-27 |
| CN105266865B CN105266865B (en) | 2019-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410356680.0A Active CN105266865B (en) | 2014-07-25 | 2014-07-25 | A kind of stitching unstrument with percussion locking device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105266865B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109938789A (en) * | 2019-02-01 | 2019-06-28 | 汕头大学 | A kind of pushing device of minimally invasive abdominal operation equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5697543A (en) * | 1996-03-12 | 1997-12-16 | Ethicon Endo-Surgery, Inc. | Linear stapler with improved firing stroke |
| CN201219911Y (en) * | 2008-06-27 | 2009-04-15 | 常州市康迪医用吻合器有限公司 | Locking apparatus of disposable linear type incision stitching instrument |
| CN202892026U (en) * | 2012-10-24 | 2013-04-24 | 北京中法派尔特医疗设备有限公司 | Stitching instrument provided with cocking safety device |
| CN202950702U (en) * | 2012-10-18 | 2013-05-29 | 北京中法派尔特医疗设备有限公司 | Stitching instrument with percussion safety device |
| CN204207798U (en) * | 2014-07-25 | 2015-03-18 | 北京中法派尔特医疗设备有限公司 | A kind of stiching instrument with percussion locking device |
-
2014
- 2014-07-25 CN CN201410356680.0A patent/CN105266865B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5697543A (en) * | 1996-03-12 | 1997-12-16 | Ethicon Endo-Surgery, Inc. | Linear stapler with improved firing stroke |
| CN201219911Y (en) * | 2008-06-27 | 2009-04-15 | 常州市康迪医用吻合器有限公司 | Locking apparatus of disposable linear type incision stitching instrument |
| CN202950702U (en) * | 2012-10-18 | 2013-05-29 | 北京中法派尔特医疗设备有限公司 | Stitching instrument with percussion safety device |
| CN202892026U (en) * | 2012-10-24 | 2013-04-24 | 北京中法派尔特医疗设备有限公司 | Stitching instrument provided with cocking safety device |
| CN204207798U (en) * | 2014-07-25 | 2015-03-18 | 北京中法派尔特医疗设备有限公司 | A kind of stiching instrument with percussion locking device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109938789A (en) * | 2019-02-01 | 2019-06-28 | 汕头大学 | A kind of pushing device of minimally invasive abdominal operation equipment |
| CN109938789B (en) * | 2019-02-01 | 2024-03-26 | 汕头大学 | Nail pushing device of minimally invasive abdominal cavity surgical equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105266865B (en) | 2019-04-02 |
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| CB03 | Change of inventor or designer information |
Inventor after: Cai Jianqiang Inventor after: Huang Zhanchuan Inventor after: Wang Chunlei Inventor before: Huang Zhanchuan Inventor before: Wang Chunlei Inventor before: Liu Zizhen |
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