CN103263282A - Straight cutting stapler - Google Patents
Straight cutting stapler Download PDFInfo
- Publication number
- CN103263282A CN103263282A CN201310158152XA CN201310158152A CN103263282A CN 103263282 A CN103263282 A CN 103263282A CN 201310158152X A CN201310158152X A CN 201310158152XA CN 201310158152 A CN201310158152 A CN 201310158152A CN 103263282 A CN103263282 A CN 103263282A
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- nail bin
- handle
- support
- bin support
- reseting shrapnel
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Abstract
The invention discloses a straight cutting stapler. The straight cutting stapler comprises an upper forceps holder, a lower forceps holder and a reset spring, wherein the upper forceps holder comprises a nail bin support and a first handle pivoted and positioned on the nail bin support, the first handle comprises a fixed holding portion which can be matched with the nail bin support, the reset spring comprises a first end fixed on the first handle, a second end opposite to the first end and a first abutting portion formed between the first end and the second end, the reset spring of the above structure is used for supplying acting force for the first handle to pivot in a preset range distant from the nail bin support, and when the fixed holding portion is matched with the nail bin support, the second end of the reset spring is abutted with the first abutting portion and the nail bin support. When the reset spring bounces off the first handle, an extra support point is provided by the first abutting portion, and the support point is more distant from a pivoting shaft, pivoting around the nail bin support, of the first handle, so that bouncing force needing to be supplied by the reset spring can be reduced.
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 the surgical operation being used for wound suture, interior tissue is sewed up with cutting etc., and typical linear cutting anastomat has to be sewed up and cut two functions, when carrying out wound suture, with unnecessary cutting tissue.Ginseng Fig. 4, the linear cutting anastomat 100 ' of the type generally comprise can be mutually closure or the upper and lower clamp 10 ', 20 ' opened; Last clamp 10 ' comprises nail bin support 11 ', is arranged on the nail bin 12 ' of nail bin support 11 ' one end and the first handle 13 ' that pivots and locate with nail bin support 11 ', this first handle 13 ' comprises the holding parts that can cooperate with nail bin support 11 ', and following clamp 20 ' comprises nail anvil 21 ' and is installed in second handle 22 ' on the nail anvil 21 '.
When the upper and lower clamp 10 ' of needs, 20 ' closure, last clamp 10 ' cooperates the rotating shaft 23 ' on the clamp 20 ' under the insertion by the draw-in groove 131 ' on the first handle 13 ' with an angle that tilts, be pivotal axis with this rotating shaft 23 ' subsequently, first handle 13 ' is pressed to nail bin support 11 ', holding parts on it matches with nail bin support 11 ', so, just, upper and lower clamp 10 ', 20 ' relative position have been fixed.
In the prior art, open upper and lower clamp 10 ', 20 ' for convenience, be equiped with the reseting shrapnel 30 ' of an arc usually at first handle 13 ', by the acting of reseting shrapnel 30 ', first handle 13 ' is flicked towards the direction away from nail bin support 11 '.In this process, the end that reseting shrapnel 30 ' cooperates with the nail bin support is as the strong point, flicking under the identical situation of moment, this strong point is the closer to pivotal axis, the power that needs is just more big, and is enough in order to guarantee reseting shrapnel 30 ' " accumulation of energy ", needs to guarantee certain reseting shrapnel length, and then caused again conversely that the strong point and pivotal axis lean near excessively, cause reseting shrapnel 30 ' to flick the more difficult of first handle 13 '.
Summary of the invention
The object of the present invention is to provide a kind of linear cutting anastomat, it can guarantee that reseting shrapnel can easily flick first handle effectively, and the smoothness that the upper and lower clamp of assurance linear cutting anastomat is opened is with convenient.
For achieving the above object, the invention provides a kind of linear cutting anastomat, comprising: can be mutually the closed or upper and lower clamp opened; The described clamp of going up comprises the nail bin support, be arranged on the nail bin of described nail bin support one end, and with the pivot first handle of location of described nail bin support, described first handle comprises the holding parts that can cooperate with described nail bin support, described down clamp comprises nail anvil and is installed in second handle on the described nail anvil, described linear cutting anastomat also comprises reseting shrapnel, described reseting shrapnel comprise first end that is fixed on the described first handle and with the described first end second opposed end, the pivotal axis that first end of described reseting shrapnel pivots around described nail bin support away from described first handle more compared to second end, described reseting shrapnel by structure like this to provide described first handle at the active force that pivots in away from described nail bin support one preset range; Wherein, described reseting shrapnel also comprises first support division that is formed between described first end and second end, when the holding parts of described first handle cooperated with described nail bin support, second end of described reseting shrapnel and first support division and described nail bin support offseted.
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 comprises that also bending is formed at second support division between described second end and first support division, when the holding parts of described first handle cooperated with described nail bin support, second support division and the described first handle of described reseting shrapnel offseted.
As a further improvement on the present invention, second end of described reseting shrapnel is provided with first guide wheel, and when the holding parts of described first handle cooperated with described nail bin support, described first guide wheel and described nail bin support offseted.
As a further improvement on the present invention, when described first handle when pivoting in away from described nail bin support one preset range, described first guide wheel moves towards the direction of the pivotal axis that pivots around the nail bin support away from described first handle along described nail bin support.
As a further improvement on the present invention, the top of first support division of described reseting shrapnel is provided with second guide wheel, and when the holding parts of described first handle cooperated with described nail bin support, described second guide wheel and described nail bin support offseted.
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 formed at first end of reseting shrapnel and first support division between second end by setting, when the holding parts of first handle cooperates with described nail bin support, second end of this reseting shrapnel and first support division and nail bin support offset, so, when reseting shrapnel flicks first handle, first support division has been equivalent to provide the extra strong point, the pivotal axis that this strong point pivots around the nail bin support away from first handle more, so only need reseting shrapnel that littler elastic force relatively is provided, just guarantee linear cutting anastomat on, the smoothness that following clamp is opened is with convenient, and cost is lower.
Description of drawings
Fig. 1 is the structural representation when upward clamp is opened with following clamp 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 the structural representation when going up clamp and following clamp closure in linear cutting anastomat one embodiment of the present invention;
Fig. 4 is the structural representation of prior art cathetus Endo-GIA.
The specific embodiment
Describe the present invention below with reference to the specific embodiment shown in the drawings.But these embodiments do not limit the present invention, and the conversion on the structure that those of ordinary skill in the art makes according to these embodiments, method or the function all is included in protection scope of the present invention.
Cooperation is introduced a specific embodiment of linear cutting anastomat of the present invention referring to figs. 1 through Fig. 3.In the present embodiment, this linear cutting anastomat 100 comprises clamp 10, following clamp 20 and reseting shrapnel 30.
Upper and lower clamp 10,20 is can be mutually closed or open, further, last clamp 10 comprises nail bin support 11, is arranged on the nail bin 12 of nail bin support 11 1 ends and the first handle 13 that pivots and locate with nail bin support 11, and this first handle 13 comprises the holding parts (indicating) that can cooperate with nail bin support 11; Following clamp 20 comprises nail anvil 21 and is installed in second handle 22 on the nail anvil 21.It will be appreciated that, in the embodiment of more replacements, can be by nail anvil 21 and infra clamp 20 installation nail bins 12 be installed to realize identical technique effect at last clamp 10, this kind embodiment must belong within the present invention's spirit category, and, here said " upper and lower ", " first, second " etc. do not have the absolute differentiation relation on position or the function, and only are the convenience in order to define and to describe.
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, along pivoting towards the direction away from nail bin support 11, two strong points that reseting shrapnel 30 cooperated with nail bin support 11 when second end 32 of reseting shrapnel 30 and first support division 331 were equivalent to pivot, with respect to traditional situation of having only 32 1 strong points of second end, because the pivotal axis that first support division 331 pivots around nail bin support 11 away from first handle 13 more with respect to second end 32, so flicking under the identical situation of moment of reseting shrapnel 30, arranging of this kind can provide littler 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 bendings, so arrange, be equivalent to increase the length of reseting shrapnel 30, when the holding parts of first handle 13 cooperates with nail bin support 11, longer reseting shrapnel 30 can obtain more " accumulation of energy ", and it is lighter to guarantee that reseting shrapnel 30 flicks first handle 13.
What deserves to be mentioned is; though in the present embodiment; be that example is set forth the present invention to be provided with first support division 331 that can support with nail bin support 11 between first end 31 of reseting shrapnel 30 and second end 32; but be understandable that; in the embodiment of different transform more; in the time of more holding parts when first handle 13 can be set cooperate with described nail bin support 11; can realize identical technique effect with the support division that nail bin support 11 supports, the embodiment of this kind conversion must belong within protection scope of the present invention.
As preferred embodiment, second end 32 of reseting shrapnel 30 is provided with first guide wheel 341, and when the holding parts of first handle 13 cooperated with nail bin support 11, this first guide wheel 341 offseted with nail bin support 11.That is to say, first guide wheel 341 is equivalent to the strong point that reseting shrapnel 30 and nail bin support 11 support, like this, when first handle 13 when pivoting in away from nail bin support 11 1 preset range, first guide wheel 341 moves around the direction of the pivotal axis of nail bin support 11 pivots away from first handle 13 along nail bin support 11 courts, at this moment, what overcome during relative displacement between first guide wheel 341 and the nail bin support 11 is a force of rolling friction, and if first guide wheel 341 is not set, then reseting shrapnel 30 need overcome the force of sliding friction of 11 on its second end 32 and nail bin support, so, by first guide wheel 341 is set, can reduce the required work of reseting shrapnel 30 overcome frictions.In the production of reality, the reseting shrapnel 30 that does not possess first guide wheel 341 in the prior art is had relatively high expectations to its surface roughness, usually need reach 6.3, so process requirements is higher, by first guide wheel 341 is set, can reduce the requirement to reseting shrapnel 30 surface roughnesses greatly, reduce production costs.
Similarly, the top of first support division 331 of reseting shrapnel 30 also is provided with second guide wheel 342, and when the holding parts of first handle 13 cooperated locking with nail bin support 11, this second guide wheel 342 offseted with nail bin support 11.Further preferably, this second guide wheel 342 is arranged at the maximum curvature place of first support division 331.The effect of the effect of this second guide wheel 342 and first guide wheel 341 is similar, so do not repeat them here.
In concrete use, on needs are opened, following clamp 10,20 o'clock, holding parts and 11 releases of nail bin support with first handle 13, first handle 13 pivots towards the direction away from nail bin support 11 under the effect of reseting shrapnel 30, the starting stage that is pivoting, first guide wheel 341 and 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 second guide wheel 342 move away from the direction of pivotal axis along nail bin support 11 courts, at this moment, second guide wheel 342 has been equivalent to provide one more away from the strong point of pivotal axis, reduces the required power that pivots; When first handle 13 away to nail bin support 11 certain distances, second guide wheel 342 breaks away from nail bin support 11, first guide wheel 341 is as unique strong point, but because this moment, first guide wheel 341 moved to position further from pivotal axis, so do not need to expend the further pivot that too much power realizes first handle 13 relatively; The potential energy release of putting aside when reseting shrapnel 30 finishes, first handle 13 relative nail bin supports 11 are switched to certain angle, the draw-in groove 131 that to go up this moment on the first handle 13 of clamp 10 separates with rotating shaft 23 on the following clamp 20, and then realizes that upper and lower clamp 10,20 separation open.
The present invention is by above-mentioned embodiment, have following beneficial effect: linear cutting anastomat 100 provided by the invention is formed at first end 31 of reseting shrapnel 30 and first support division 331 between second end 32 by setting, when the holding parts of first handle 13 cooperates with described nail bin support 11, second end 32 of this reseting shrapnel 30 and first support division 331 offset with nail bin support 11, so, when reseting shrapnel 30 flicks first handle 13, first support division 331 has been equivalent to provide the extra strong point, the pivotal axis that this strong point pivots around nail bin support 11 away from first handle 13 more, so only need reseting shrapnel 30 that littler elastic force relatively is provided, can guarantee linear cutting anastomat 100 on, following clamp 10,20 smoothnesses of opening are with convenient, and cost is lower.
Be to be understood that, though this description is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of description only is for clarity sake, those skilled in the art should make description as a whole, technical scheme in each embodiment also can form other embodiments that it will be appreciated by those skilled in the art that through appropriate combination.
Above listed a series of detailed description only is specifying at feasibility embodiment of the present invention; they are not in order to limiting protection scope of the present invention, allly do not break away from equivalent embodiment or the change that skill spirit of the present invention does and all should be included within protection scope of the present invention.
Claims (7)
1. linear cutting anastomat comprises: can be mutually the closed or upper and lower clamp opened; The described clamp of going up comprises the nail bin support, be arranged on the nail bin of described nail bin support one end, and with the pivot first handle of location of described nail bin support, described first handle comprises the holding parts that can cooperate with described nail bin support, described down clamp comprises nail anvil and is installed in second handle on the described nail anvil, it is characterized in that, described linear cutting anastomat also comprises reseting shrapnel, described reseting shrapnel comprise first end that is fixed on the described first handle and with the described first end second opposed end, the pivotal axis that first end of described reseting shrapnel pivots around described nail bin support away from described first handle more compared to second end, described reseting shrapnel by structure like this to provide described first handle at the active force that pivots in away from described nail bin support one preset range; Wherein, described reseting shrapnel also comprises first support division that is formed between described first end and second end, when the holding parts of described first handle cooperated with described nail bin support, second end of described reseting shrapnel and first support division and described nail bin support offseted.
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 comprises that also bending is formed at second support division between described second end and first support division, when the holding parts of described first handle cooperated with described nail bin support, second support division and the described first handle of described reseting shrapnel offseted.
4. linear cutting anastomat according to claim 1 is characterized in that, second end of described reseting shrapnel is provided with first guide wheel, and when the holding parts of described first handle cooperated with described nail bin support, described first guide wheel and described nail bin support offseted.
5. linear cutting anastomat according to claim 4, it is characterized in that, when described first handle when pivoting in away from described nail bin support one preset range, described first guide wheel moves towards the direction of the pivotal axis that pivots around the nail bin support away from described first handle along described nail bin support.
6. linear cutting anastomat according to claim 1, it is characterized in that, the top of first support division of described reseting shrapnel is provided with second guide wheel, and when the holding parts of described first handle cooperated with described nail bin support, described second guide wheel and described nail bin support offseted.
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 |
|---|---|
| CN103263282A true CN103263282A (en) | 2013-08-28 |
| CN103263282B CN103263282B (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310158152.XA Active CN103263282B (en) | 2013-05-02 | 2013-05-02 | Linear cutting anastomat |
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Cited By (2)
| 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 |
| US10631866B2 (en) | 2018-02-06 | 2020-04-28 | Ethicon Llc | Release mechanism for linear surgical stapler |
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 (4)
| 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 |
| US10631866B2 (en) | 2018-02-06 | 2020-04-28 | Ethicon Llc | Release mechanism for linear surgical stapler |
| CN111885969A (en) * | 2018-02-06 | 2020-11-03 | 爱惜康有限责任公司 | Release mechanism for a linear surgical stapler |
| US11439398B2 (en) | 2018-02-06 | 2022-09-13 | Cilag Gmbh International | Release mechanism for linear surgical stapler |
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| Publication number | Publication date |
|---|---|
| CN103263282B (en) | 2016-02-17 |
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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. |