CN103263282B - Linear cutting anastomat - Google Patents
Linear cutting anastomat Download PDFInfo
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- CN103263282B CN103263282B CN201310158152.XA CN201310158152A CN103263282B CN 103263282 B CN103263282 B CN 103263282B CN 201310158152 A CN201310158152 A CN 201310158152A CN 103263282 B CN103263282 B CN 103263282B
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- nail bin
- handle
- reseting shrapnel
- support
- bin support
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Abstract
Present invention is disclosed a kind of linear cutting anastomat, comprising: upper and lower clamp, upper clamp comprises nail bin support and pivotable location first handle thereon, this first handle comprise can with the holding parts of described nail bin support assorted; Linear cutting anastomat also comprises reseting shrapnel, this reseting shrapnel comprises and is fixed on first end on first handle and second end relative with first end, and reseting shrapnel is so constructed to provide described first handle towards the active force away from pivotable in described nail bin support one preset range; Wherein, reseting shrapnel also comprises the first support division be formed between first end and the second end, and when holding parts and the nail bin support assorted of first handle, the second end of reseting shrapnel and the first support division and nail bin support offset.When reseting shrapnel flicks first handle, the first support division provides the extra strong point, and this strong point, more away from the pivotal axis of first handle around nail bin support pivotable, can reduce the elastic force that reseting shrapnel needs to provide.
Description
Technical field
The invention belongs to technical field of medical instruments, be specifically related to a kind of linear cutting anastomat.
Background technology
Linear cutting anastomat is widely used in sewing up and cutting etc. for wound suture, interior tissue in surgical operation, and typical linear cutting anastomat has to be sewed up and cutting two functions, while carrying out wound suture, is excised by excess tissue.Ginseng Fig. 4, the linear cutting anastomat 100 ' of the type generally comprises the upper and lower clamp 10 ', 20 ' that can mutually close or open; The first handle 13 ' that upper clamp 10 ' comprises nail bin support 11 ', is arranged on the nail bin 12 ' of nail bin support 11 ' one end and locates with nail bin support 11 ' pivotable, this first handle 13 ' comprises the holding parts that can coordinate with nail bin support 11 ', and lower clamp 20 ' comprises nail anvil 21 ' and is arranged on the second handle 22 ' on nail anvil 21 '.
When the upper and lower clamp of needs 10 ', 20 ' is closed, a rotating shaft 23 ' under upper clamp 10 ' is inserted with an angular compliance tilted by the draw-in groove 131 ' on first handle 13 ' on clamp 20 ', subsequently with this rotating shaft 23 ' for pivotal axis, first handle 13 ' is pressed to nail bin support 11 ', until the holding parts on it matches with nail bin support 11 ', so, the relative position of upper and lower clamp 10 ', 20 ' is just secured.
In prior art, conveniently open upper and lower clamp 10 ', 20 ', on first handle 13 ', be usually equiped with the reseting shrapnel 30 ' of an arc, by the acting of reseting shrapnel 30 ', first handle 13 ' is flicked towards the direction away from nail bin support 11 '.In the process, one end of reseting shrapnel 30 ' and nail bin support assorted is as the strong point, when flicking moment and being identical, this strong point is the closer to pivotal axis, the power needed is larger, in order to ensure that reseting shrapnel 30 ' " accumulation of energy " is enough, needs to ensure certain reseting shrapnel length, and then result in again that the strong point and pivotal axis lean on conversely excessively near, cause reseting shrapnel 30 ' flick first handle 13 ' more not easily.
Summary of the invention
The object of the present invention is to provide a kind of linear cutting anastomat, it can ensure that reseting shrapnel easily can flick first handle effectively, ensures the smoothness that the upper and lower clamp of linear cutting anastomat is opened and convenience.
For achieving the above object, the invention provides a kind of linear cutting anastomat, comprising: the upper and lower clamp that can mutually close or open, described upper clamp comprises nail bin support, be arranged on the nail bin of described nail bin support one end, and the first handle of to locate with described nail bin support pivotable, described first handle comprise can with the holding parts of described nail bin support assorted, described lower clamp comprises nail anvil and is arranged on the second handle on described nail anvil, described linear cutting anastomat also comprises reseting shrapnel, described reseting shrapnel comprises and is fixed on first end on described first handle and second end relative with described first end, the first end of described reseting shrapnel compared to the second end more away from the pivotal axis of described first handle around described nail bin support pivotable, described reseting shrapnel is so constructed to provide the active force of described first handle in court away from pivotable in described nail bin support one preset range, wherein, described reseting shrapnel also comprises the first support division be formed between described first end and the second end, when holding parts and the described nail bin support assorted of described first handle, the second end of described reseting shrapnel and the first support division and described nail bin support offset.
As a further improvement on the present invention, described first support division is formed by described reseting shrapnel bending.
As a further improvement on the present invention, described reseting shrapnel also comprises bending and is formed at the second support division between described second end and the first support division, when holding parts and the described nail bin support assorted of described first handle, the second support division and the described first handle of described reseting shrapnel offset.
As a further improvement on the present invention, the second end of described reseting shrapnel is provided with the first guide wheel, and when holding parts and the described nail bin support assorted of described first handle, described first guide wheel and described nail bin support offset.
As a further improvement on the present invention, when described first handle is towards away from described nail bin support one preset range during pivotable, described first guide wheel is along described nail bin support towards moving away from the direction of described first handle around the pivotal axis of nail bin support pivotable.
As a further improvement on the present invention, the top of the first support division of described reseting shrapnel is provided with the second guide wheel, and when holding parts and the described nail bin support assorted of described first handle, described second guide wheel and described nail bin support offset.
As a further improvement on the present invention, described second guide wheel is arranged at the maximum curvature place of described first support division.
Compared with prior art, linear cutting anastomat provided by the invention is by arranging the first support division be formed between the first end of reseting shrapnel and the second end, when holding parts and the described nail bin support assorted of first handle, second end of this reseting shrapnel and the first support division and nail bin support offset, so, when reseting shrapnel flicks first handle, first support division is equivalent to provide the extra strong point, this strong point is more away from the pivotal axis of first handle around nail bin support pivotable, therefore only need the elastic force that reseting shrapnel provides relatively less, just ensure the upper of linear cutting anastomat, the smoothness that lower clamp is opened is with convenient, and cost is lower.
Accompanying drawing explanation
Fig. 1 is structural representation when upper clamp and lower clamp are opened in linear cutting anastomat one embodiment of the present invention;
Fig. 2 is the structural representation of reseting shrapnel in linear cutting anastomat one embodiment of the present invention;
Fig. 3 is structural representation when upper clamp and lower clamp close in linear cutting anastomat one embodiment of the present invention;
Fig. 4 is the structural representation of prior art cathetus Endo-GIA.
Detailed description of the invention
Describe the present invention below with reference to detailed description of the invention shown in the drawings.But these embodiments do not limit the present invention, the structure that those of ordinary skill in the art makes according to these embodiments, method or conversion functionally are all included in protection scope of the present invention.
Coordinate referring to figs. 1 through Fig. 3, introduce a detailed description of the invention of linear cutting anastomat of the present invention.In the present embodiment, this linear cutting anastomat 100 comprises clamp 10, lower clamp 20 and reseting shrapnel 30.
Upper and lower clamp 10,20 can mutually close or open, further, the first handle 13 that upper clamp 10 comprises nail bin support 11, is arranged on the nail bin 12 of nail bin support 11 one end and locates with nail bin support 11 pivotable, this first handle 13 comprises the holding parts (sign) that can coordinate with nail bin support 11; Lower clamp 20 comprises nail anvil 21 and is arranged on the second handle 22 on nail anvil 21.It will be appreciated that, in the embodiment of more replacements, can by installing nail anvil 21 and install nail bin 12 to realize identical technique effect on lower clamp 20 on upper clamp 10, this kind of embodiment must belong within scope of the present invention, and, " upper and lower " mentioned here, " first, second " etc. be position or absolute differentiation relation functionally not, and the convenience being only used to definition and describing.
Reseting shrapnel 30 comprises and is fixed on first end 31 on first handle 13 and second end 32 relative with this first end 31, the first end 31 of this reseting shrapnel 30 is compared to the second end 32 more away from the pivotal axis (do not indicate) of first handle 13 around nail bin support 11 pivotable, and reseting shrapnel 30 is so constructed to provide the active force of first handle 13 in court away from pivotable in nail bin support 11 1 preset range.In the present embodiment, reseting shrapnel 30 also comprises the first support division 331 be formed between first end 31 and the second end 32, when the holding parts of first handle 13 coordinates with nail bin support 11, the second end 32 of reseting shrapnel 30 and the first support division 331 offset with nail bin support 11.
When the holding parts of first handle 13 is discharged from nail bin support 11, first handle 13 is under the effect of reseting shrapnel 30, edge is towards the direction pivotable away from nail bin support 11, two strong points that when second end 32 of reseting shrapnel 30 and the first support division 331 are equivalent to pivotable, reseting shrapnel 30 coordinates with nail bin support 11, relative to traditional situation only having the second end 32 1 strong points, due to the first support division 331 relative to the second end 32 more away from the pivotal axis of first handle 13 around nail bin support 11 pivotable, therefore when reseting shrapnel 30 flick moment identical, arranging of this kind can provide less power can realize flicking of first handle 13 by demand reseting shrapnel 30.
As preferred embodiment, first support division 331 is formed by reseting shrapnel 30 bending, setting like this, be equivalent to the length adding reseting shrapnel 30, when the holding parts of first handle 13 coordinates with nail bin support 11, longer reseting shrapnel 30 can obtain more " accumulation of energy ", ensures that reseting shrapnel 30 flicks first handle 13 lighter.
Reseting shrapnel 30 also comprises bending and is formed at the second support division 332 between its second end 32 and first support division 331, and when the holding parts of first handle 13 coordinates with nail bin support 11, the second support division 332 of reseting shrapnel 30 offsets with first handle 13.
It is worth mentioning that; although in the present embodiment; to be provided with first support division 331 that can support with nail bin support 11 between the first end 31 of reseting shrapnel 30 and the second end 32 to set forth the present invention; but be understandable that; in the embodiment of more different transform; can arrange more when the holding parts of first handle 13 coordinates with described nail bin support 11; can with the support division that nail bin support 11 supports to realize identical technique effect, the embodiment of this kind of conversion must belong within protection scope of the present invention.
As preferred embodiment, the second end 32 of reseting shrapnel 30 is provided with the first guide wheel 341, and when the holding parts of first handle 13 coordinates with nail bin support 11, this first guide wheel 341 offsets with nail bin support 11.That is, first guide wheel 341 is equivalent to the strong point that reseting shrapnel 30 supports with nail bin support 11, like this, when first handle 13 is towards away from nail bin support 11 1 preset range during pivotable, first guide wheel 341 moves along nail bin support 11 towards away from the direction of first handle 13 around the pivotal axis of nail bin support 11 pivotable, now, what overcome during relative displacement between the first guide wheel 341 and nail bin support 11 is a force of rolling friction, and if the first guide wheel 341 is not set, then reseting shrapnel 30 needs to overcome the force of sliding friction between its second end 32 and nail bin support 11, therefore, by arranging the first guide wheel 341, work required for reseting shrapnel 30 overcome friction can be reduced.In the production of reality, the reseting shrapnel 30 not possessing the first guide wheel 341 in prior art is higher to its surface roughness requirements, usually need to reach 6.3, therefore process requirements is higher, by arranging the first guide wheel 341, greatly can reduce the requirement to reseting shrapnel 30 surface roughness, reduce production cost.
Similarly, the top of the first support division 331 of reseting shrapnel 30 is also provided with the second guide wheel 342, when the holding parts of first handle 13 to coordinate with nail bin support 11 lock time, this second guide wheel 342 offsets with nail bin support 11.Further preferably, this second guide wheel 342 is arranged at the maximum curvature place of the first support division 331.The effect of this second guide wheel 342 and the effect of the first guide wheel 341 similar, therefore not repeat them here.
In concrete use procedure, on needs are opened, lower clamp 10, when 20, the holding parts of first handle 13 and nail bin support 11 are unlocked, first handle 13 under the effect of reseting shrapnel 30 towards the direction pivotable away from nail bin support 11, in the starting stage of pivotable, first guide wheel 341 and the second guide wheel 342 are as two strong points of reseting shrapnel 30, reseting shrapnel 30 discharges the potential energy of savings, first guide wheel 341 and the second guide wheel 342 move along nail bin support 11 towards the direction away from pivotal axis, now, second guide wheel 342 is equivalent to provide one more away from the strong point of pivotal axis, reduce the power needed for pivotable, when first handle 13 is away to nail bin support 11 certain distance, second guide wheel 342 departs from nail bin support 11, first guide wheel 341 is as unique strong point, but because now the first guide wheel 341 has moved to the position further from pivotal axis, therefore relatively do not need to expend too much power to realize the further pivotable of first handle 13, the potential energy release of putting aside when reseting shrapnel 30 is complete, first handle 13 relatively nail bin support 11 is switched to certain angle, now the draw-in groove 131 on the first handle 13 of upper clamp 10 is separated with the rotating shaft 23 on lower clamp 20, and then the separation realizing upper and lower clamp 10,20 is opened.
The present invention is by above-mentioned embodiment, there is following beneficial effect: linear cutting anastomat 100 provided by the invention is by arranging the first support division 331 be formed between the first end 31 of reseting shrapnel 30 and the second end 32, when the holding parts of first handle 13 coordinates with described nail bin support 11, second end 32 of this reseting shrapnel 30 and the first support division 331 offset with nail bin support 11, so, when reseting shrapnel 30 flicks first handle 13, first support division 331 is equivalent to provide the extra strong point, this strong point is more away from the pivotal axis of first handle 13 around nail bin support 11 pivotable, therefore only need the elastic force that reseting shrapnel 30 provides relatively less, the upper of linear cutting anastomat 100 can be ensured, lower clamp 10, 20 smoothnesses opened are with convenient, and cost is lower.
Be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for feasibility embodiment of the present invention; they are also not used to limit the scope of the invention, all do not depart from the skill of the present invention equivalent implementations done of spirit or change all should be included within protection scope of the present invention.
Claims (7)
1. a linear cutting anastomat, comprising: the upper and lower clamp that can mutually close or open, described upper clamp comprises nail bin support, be arranged on the nail bin of described nail bin support one end, and the first handle of to locate with described nail bin support pivotable, described first handle comprise can with the holding parts of described nail bin support assorted, described lower clamp comprises nail anvil and is arranged on the second handle on described nail anvil, it is characterized in that, described linear cutting anastomat also comprises reseting shrapnel, described reseting shrapnel comprises and is fixed on first end on described first handle and second end relative with described first end, the first end of described reseting shrapnel compared to the second end more away from the pivotal axis of described first handle around described nail bin support pivotable, described reseting shrapnel is so constructed to provide the active force of described first handle in court away from pivotable in described nail bin support one preset range, wherein, described reseting shrapnel also comprises the first support division be formed between described first end and the second end, when holding parts and the described nail bin support assorted of described first handle, the second end of described reseting shrapnel and the first support division and described nail bin support offset.
2. linear cutting anastomat according to claim 1, is characterized in that, described first support division is formed by described reseting shrapnel bending.
3. linear cutting anastomat according to claim 1, it is characterized in that, described reseting shrapnel also comprises bending and is formed at the second support division between described second end and the first support division, when holding parts and the described nail bin support assorted of described first handle, the second support division and the described first handle of described reseting shrapnel offset.
4. linear cutting anastomat according to claim 1, is characterized in that, the second end of described reseting shrapnel is provided with the first guide wheel, and when holding parts and the described nail bin support assorted of described first handle, described first guide wheel and described nail bin support offset.
5. linear cutting anastomat according to claim 4, it is characterized in that, when described first handle is towards away from described nail bin support one preset range during pivotable, described first guide wheel is along described nail bin support towards moving away from the direction of described first handle around the pivotal axis of nail bin support pivotable.
6. linear cutting anastomat according to claim 1, it is characterized in that, the top of the first support division of described reseting shrapnel is provided with the second guide wheel, and when holding parts and the described nail bin support assorted of described first handle, described second guide wheel and described nail bin support offset.
7. linear cutting anastomat according to claim 6, is characterized in that, described second guide wheel is arranged at the maximum curvature place of described first support division.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310158152.XA CN103263282B (en) | 2013-05-02 | 2013-05-02 | Linear cutting anastomat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310158152.XA CN103263282B (en) | 2013-05-02 | 2013-05-02 | Linear cutting anastomat |
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| Publication Number | Publication Date |
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| CN103263282A CN103263282A (en) | 2013-08-28 |
| CN103263282B true CN103263282B (en) | 2016-02-17 |
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| CN201310158152.XA Active CN103263282B (en) | 2013-05-02 | 2013-05-02 | Linear cutting anastomat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3520714A1 (en) * | 2018-02-06 | 2019-08-07 | Ethicon LLC | Release mechanism for linear surgical stapler |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106388894A (en) * | 2016-11-17 | 2017-02-15 | 马博平 | Novel cutting anastomat and operating method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5405072A (en) * | 1991-10-17 | 1995-04-11 | United States Surgical Corporation | Anvil for surgical staplers |
| CN2394583Y (en) * | 1999-06-05 | 2000-09-06 | 彭罗民 | Medical blood vessel anastomat |
| CN2418837Y (en) * | 2000-05-01 | 2001-02-14 | 汪卫平 | Detacher for lump nose |
| CN201642172U (en) * | 2010-02-26 | 2010-11-24 | 常州市三联星海医疗器械制造有限公司 | Linear cutting anastomat |
| CN101987027A (en) * | 2009-07-31 | 2011-03-23 | 苏州天臣国际医疗科技有限公司 | Suture device |
| CN203182959U (en) * | 2013-05-02 | 2013-09-11 | 苏州天臣国际医疗科技有限公司 | Linear cutting and stapling device |
-
2013
- 2013-05-02 CN CN201310158152.XA patent/CN103263282B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5405072A (en) * | 1991-10-17 | 1995-04-11 | United States Surgical Corporation | Anvil for surgical staplers |
| CN2394583Y (en) * | 1999-06-05 | 2000-09-06 | 彭罗民 | Medical blood vessel anastomat |
| CN2418837Y (en) * | 2000-05-01 | 2001-02-14 | 汪卫平 | Detacher for lump nose |
| CN101987027A (en) * | 2009-07-31 | 2011-03-23 | 苏州天臣国际医疗科技有限公司 | Suture device |
| CN201642172U (en) * | 2010-02-26 | 2010-11-24 | 常州市三联星海医疗器械制造有限公司 | Linear cutting anastomat |
| CN203182959U (en) * | 2013-05-02 | 2013-09-11 | 苏州天臣国际医疗科技有限公司 | Linear cutting and stapling device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3520714A1 (en) * | 2018-02-06 | 2019-08-07 | Ethicon LLC | Release mechanism for linear surgical stapler |
| WO2019155300A1 (en) * | 2018-02-06 | 2019-08-15 | Ethicon Llc | Release mechanism for linear surgical stapler |
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| Publication number | Publication date |
|---|---|
| CN103263282A (en) | 2013-08-28 |
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Address after: 215021 No. 278 Dongping Street, Suzhou Industrial Park, Jiangsu Province Patentee after: Tianchen International Medical Technology Co., Ltd Address before: 215021 science and Technology Plaza, Jinji Lake Road International Science and Technology Park, Suzhou Industrial Park, Jiangsu, 21A Patentee before: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE Co.,Ltd. |