CN103142270A - Circular tube-type anastomat and nail barrel assembly thereof - Google Patents
Circular tube-type anastomat and nail barrel assembly thereof Download PDFInfo
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- CN103142270A CN103142270A CN2012105736949A CN201210573694A CN103142270A CN 103142270 A CN103142270 A CN 103142270A CN 2012105736949 A CN2012105736949 A CN 2012105736949A CN 201210573694 A CN201210573694 A CN 201210573694A CN 103142270 A CN103142270 A CN 103142270A
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- nail
- nail barrel
- barrel
- adjutage
- bin
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Abstract
The invention provides a circular tube-type anastomat and a nail barrel assembly thereof. The circular tube-type anastomat comprises a shell and the nail barrel assembly which is fixedly connected with the shell. The nail barrel assembly comprises a nail barrel and a nail bin, wherein the nail barrel is fixed with the shell, and the nail bin is arranged in the nail barrel and is fixed with the nail barrel. The nail barrel is provided with buckling slots sunk from the outer side. The nail bin is provided with an upper side part, extension arms and buckling bulges, wherein the upper side part is upwards exposed; the extension arms extend along the axial direction of the nail barrel from the outer side of the upper side part; and the buckling bulges inwards protrude from the extension arms so as to be buckled with the buckling slots. According to the circular tube-type anastomat provided by the invention, the nail barrel and the nail bin are fixed together in the manner of external buckling and fixing, and meanwhile, certain elasticity can be provided to the fastening bulges by the extension arms, and therefore, the assembling and disassembling of the nail barrel and the nail bin are facilitated, and moreover, parts cannot be damaged.
Description
Technical field
The present invention relates to technical field of medical instruments, relate in particular to a kind of circular-pipe anastomat and nail barrel assembly thereof.
Background technology
The surgeon in the time of the cast physiological tissue that stays will being connected, normally adopts special identical pin to sew up connection by circular-pipe anastomat after a part of carrying out the human body cast such as intestinal, esophagus physiological tissue is carried out excision.Existing circular-pipe anastomat generally includes the anastomat body, be flexibly connected the operating handle of described anastomat body, be positioned at the nail supporting base assembly in the anastomat body one end outside and the knob that is fixed on the anastomat body other end.Described anastomat body comprises housing, the nail barrel assembly that is connected by a retainer ring with housing, the anvil pull rod that connects nail supporting base assembly and knob etc.In conjunction with Figure 1 and Figure 2, described nail barrel assembly 8 generally includes nail barrel 81, be arranged at nail barrel 81 inboard and the nail bin 82 and the endless knife that fix with nail barrel 81 and be arranged on identical pin in nail bin etc.Described nail barrel 81 is provided with the fixing hole 811 that runs through inside and outside, and described nail bin 82 is provided with from the projection 821 of the outside projection of its outer wall to fix with nail barrel 81.This shows, in existing nail barrel assembly 8, nail barrel 81 and nail bin 82 all adopt the mode of inner buckle fixing to fix, thereby after nail bin 82 is assembled in nail barrel 81, if when needing renewal part or dismounting finished product, nail bin 82 is difficult to dismounting and then the destruction of easily causing part.
Therefore, be necessary to provide a kind of improved circular-pipe anastomat and nail barrel assembly thereof to address the above problem.
Summary of the invention
The object of the present invention is to provide a kind of circular-pipe anastomat for convenience detach and nail barrel assembly thereof.
For achieving the above object, the invention provides a kind of nail barrel assembly, the nail bin that comprises nail barrel and be arranged in nail barrel and fix with nail barrel, described nail barrel is provided with the clasp groove from outside depression, described nail bin is provided with the upper lateral part of outside exposure, from the upper lateral part outside along the axially extended adjutage of nail barrel and from the inside projection of adjutage with the snap projection of described clasp groove phase clasp.
As a further improvement on the present invention, described nail barrel also is provided with the depressed part that caves in and be connected with described clasp groove from the outside, and described adjutage is contained in described depressed part.
As a further improvement on the present invention, described nail bin is provided with several along the equally distributed described adjutage of nail barrel circumferencial direction and described snap projection.
For achieving the above object, the present invention also provides a kind of circular-pipe anastomat, comprise housing and the nail barrel assembly that is fixedly connected with housing, the nail bin that described nail barrel assembly comprises the nail barrel that fixes with housing and is arranged in nail barrel and fixes with nail barrel, described nail barrel is provided with the clasp groove from outside depression, described nail bin is provided with the upper lateral part of outside exposure, from the upper lateral part outside along the axially extended adjutage of nail barrel and from the inside projection of adjutage with the snap projection of described clasp groove phase clasp.
As a further improvement on the present invention, described nail barrel also is provided with the depressed part that caves in and be connected with described clasp groove from the outside, and described adjutage is contained in described depressed part.
As a further improvement on the present invention, described nail bin is provided with several along the equally distributed described adjutage of nail barrel circumferencial direction and described snap projection.
The invention has the beneficial effects as follows: the present invention passes through at nail barrel arranged outside clasp groove, arrange on nail bin from the adjutage of its upper lateral part outside extension and from the snap projection of the inside projection of adjutage with described clasp groove phase clasp, being about to nail barrel and nail bin adopts the mode of exterior snap fixing to be fixed together, adjutage can offer the certain elasticity of snap projection simultaneously, thereby facilitate the assembly and disassembly of nail barrel and nail bin, and can not cause the destruction of part.
Description of drawings
Fig. 1 is the part-structure axonometric chart of nail barrel assembly of the prior art;
Fig. 2 is the partial schematic sectional view of nail barrel assembly in Fig. 1, mainly shows the fixed relationship between nail barrel and nail bin in the nail barrel assembly;
Fig. 3 is the part-structure axonometric chart of nail barrel assembly of the present invention;
Fig. 4 is the partial schematic sectional view of nail barrel assembly in Fig. 3, mainly shows the fixed relationship between nail barrel and nail bin in nail barrel assembly of the present invention.
The specific embodiment
Describe the present invention below with reference to each embodiment shown in the drawings.But these embodiments do not limit the present invention, and the structure that those of ordinary skill in the art makes according to these embodiments or the conversion on function all are included in protection scope of the present invention.
Please refer to Fig. 3 to a better embodiment that Figure 4 shows that nail barrel assembly 1 of the present invention.Described nail barrel assembly 1 is applied on a cylinder type anastomat (not shown), thereby the invention still further relates to a kind of cylinder type anastomat; The described nail barrel assembly 1 that this cylinder type anastomat includes housing (not shown) and is fixedly connected by a retainer ring (not shown) with housing.
In conjunction with Fig. 3 and shown in Figure 4, the nail bin 12 that nail barrel assembly 1 of the present invention comprises the nail barrel 11 that the housing with the cylinder type anastomat fixes and is arranged in nail barrel 11 and fixes with nail barrel 11.Described nail barrel 11 is provided with the clasp groove 111 from outside depression.Described nail bin 12 is provided with the upper lateral part 121 of outside exposure, from upper lateral part 121 outsides along the axially extended adjutage 122 of nail barrel 11 and from the inside projection of adjutage 122 with the snap projection 123 of described clasp groove 111 phase clasps.The operation of being inconvenient to perform the operation in order to prevent described adjutage 122 and the undue emergence of snap projection 123 from going out nail barrel 11 outer surfaces, described nail barrel 11 also are provided with from outside depression and the depressed part 112 that is connected along nail barrel 11 axial directions with described clasp groove 111.The adjutage 122 of described nail bin 12 is contained in described depressed part 112.Carry out smoothly and can not consist of injury to human body cast tissue (not shown) for what perform the operation, the outer surface of described adjutage 122 can be set to the outer surface of nail barrel 11 in the same plane.In addition, for strengthening the fixing steadiness between nail barrel 11 and nail bin 12, nail bin 12 of the present invention is provided with several along the equally distributed described adjutage 122 of nail barrel 11 circumferencial directions and described snap projection 123.
As seen from the above, the present invention passes through at nail barrel 11 arranged outside clasp grooves 111, arrange on nail bin 12 from the adjutage 122 of its upper lateral part 121 outsides extensions and from the snap projection 123 of the inside projection of adjutage 122 with described clasp groove 111 phase clasps, the mode that is about to nail barrel 11 and nail bin 12 employing exterior snap fixings is fixed together, adjutage 122 can offer the certain elasticity of snap projection 123 simultaneously, thereby facilitate the assembly and disassembly of nail barrel 11 and nail bin 12, and the destruction that can not cause part.
Above listed a series of detailed description is only illustrating for feasibility embodiment of the present invention; they are not to limit protection scope of the present invention, all disengaging within equivalent embodiment that skill spirit of the present invention does or change all should be included in protection scope of the present invention.
Claims (6)
1. nail barrel assembly, the nail bin that comprises nail barrel and be arranged in nail barrel and fix with nail barrel, it is characterized in that: described nail barrel is provided with the clasp groove from outside depression, described nail bin is provided with the upper lateral part of outside exposure, from the upper lateral part outside along the axially extended adjutage of nail barrel and from the inside projection of adjutage with the snap projection of described clasp groove phase clasp.
2. nail barrel assembly according to claim 1 is characterized in that: described nail barrel also is provided with from outside depression and the depressed part that is connected with described clasp groove, and described adjutage is contained in described depressed part.
3. nail barrel assembly according to claim 1 and 2, it is characterized in that: described nail bin is provided with several along the equally distributed described adjutage of nail barrel circumferencial direction and described snap projection.
4. circular-pipe anastomat, comprise housing and the nail barrel assembly that is fixedly connected with housing, the nail bin that described nail barrel assembly comprises the nail barrel that fixes with housing and is arranged in nail barrel and fixes with nail barrel, it is characterized in that: described nail barrel is provided with the clasp groove from outside depression, described nail bin is provided with the upper lateral part of outside exposure, from the upper lateral part outside along the axially extended adjutage of nail barrel and from the inside projection of adjutage with the snap projection of described clasp groove phase clasp.
5. circular-pipe anastomat according to claim 4 is characterized in that: described nail barrel also is provided with from outside depression and the depressed part that is connected with described clasp groove, and described adjutage is contained in described depressed part.
6. according to claim 4 or 5 described circular-pipe anastomats, it is characterized in that: described nail bin is provided with several along the equally distributed described adjutage of nail barrel circumferencial direction and described snap projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210573694.9A CN103142270B (en) | 2012-12-26 | 2012-12-26 | Circular-pipe anastomat and screw barrel component thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210573694.9A CN103142270B (en) | 2012-12-26 | 2012-12-26 | Circular-pipe anastomat and screw barrel component thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103142270A true CN103142270A (en) | 2013-06-12 |
| CN103142270B CN103142270B (en) | 2015-08-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210573694.9A Active CN103142270B (en) | 2012-12-26 | 2012-12-26 | Circular-pipe anastomat and screw barrel component thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103142270B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4752024A (en) * | 1986-10-17 | 1988-06-21 | Green David T | Surgical fastener and surgical stapling apparatus |
| WO2004034868A2 (en) * | 2002-10-14 | 2004-04-29 | Shifrin Edward G | Method and apparatus for open aortic repair by intravascular devices |
| US20090043334A1 (en) * | 2003-09-17 | 2009-02-12 | Bauman Ann M | Circular stapler buttress |
| CN101856250A (en) * | 2010-06-07 | 2010-10-13 | 常州威克医疗器械有限公司 | Disposable automatic safety circular anastomat |
| CN203029302U (en) * | 2012-12-26 | 2013-07-03 | 苏州天臣国际医疗科技有限公司 | Cylindrical stapler and nail barrel component thereof |
-
2012
- 2012-12-26 CN CN201210573694.9A patent/CN103142270B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4752024A (en) * | 1986-10-17 | 1988-06-21 | Green David T | Surgical fastener and surgical stapling apparatus |
| WO2004034868A2 (en) * | 2002-10-14 | 2004-04-29 | Shifrin Edward G | Method and apparatus for open aortic repair by intravascular devices |
| US20090043334A1 (en) * | 2003-09-17 | 2009-02-12 | Bauman Ann M | Circular stapler buttress |
| CN101856250A (en) * | 2010-06-07 | 2010-10-13 | 常州威克医疗器械有限公司 | Disposable automatic safety circular anastomat |
| CN203029302U (en) * | 2012-12-26 | 2013-07-03 | 苏州天臣国际医疗科技有限公司 | Cylindrical stapler and nail barrel component thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103142270B (en) | 2015-08-19 |
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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 Park, Suzhou Industrial Park, Suzhou, Jiangsu, 21A Patentee before: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE Co.,Ltd. |