CN103083056A - Nail barrel cover - Google Patents
Nail barrel cover Download PDFInfo
- Publication number
- CN103083056A CN103083056A CN2012104695477A CN201210469547A CN103083056A CN 103083056 A CN103083056 A CN 103083056A CN 2012104695477 A CN2012104695477 A CN 2012104695477A CN 201210469547 A CN201210469547 A CN 201210469547A CN 103083056 A CN103083056 A CN 103083056A
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- nail
- anvil
- furcation
- face
- internal diameter
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Abstract
The invention provides a nail barrel cover. The nail barrel cover comprises a flat-plate body, wherein a through hole of which the diameter is more than or equal to that of a nail anvil shaft and through which the nail anvil shaft passes is formed in the flat-plate body; an elongated slot is formed along a symmetric line of the flat-plate body; a forked part is arranged at one end of the flat-plate body; the diameter of a circumcircle of the forked part is more than or equal to the maximum diameter of a nail barrel; a bulge is formed on one end face of an arc plate; and the maximum distance between the bulge and the circle center of the through hole is more than the internal diameter of a knife anvil and less than or equal to the internal diameter of a nail anvil. Whether the knife anvil is missed or not can be automatically detected in the mounting process of an instrument; and once the knife anvil is missed, the nail barrel cover can enter the nail anvil when mounted, the distance between a nail anvil component and a nail bin component is changed, and an assembler is reminded of the condition that the knife anvil is missed.
Description
Technical field
The present invention relates to a kind of auxiliary body of surgical operating instrument, relate in particular to a kind of nail barrel cover of tubular binding strument, belong to technical field of medical instruments.
Background technology
The surgery tubular binding strument is a kind of medical apparatus and instruments that often uses when the physiological tissues such as intestinal are carried out surgical operation, and its performance difference plays vital effect for operation process and surgical effect.As shown in US Patent No. 5205459, key step in this instrument use procedure is: first crimp head nail-anvil assembly and the nail bin groupware partly with instrument separates, put respectively the tissue that is in sheets and be bundled into pocket, then nail-anvil assembly is connected with nail bin groupware, by regulating the adjusting knob of Binding Instrument afterbody, nail-anvil assembly and nail bin groupware are drawn close in place, implemented at last the percussion bookbinding, organize stapled together with two sections.
In general, nail-anvil assembly comprises nail anvil and the cutter anvil of establishing in the inner; Nail bin before nail bin groupware comprises nail barrel and is fixed in it, nail bin is built-in with the anastomosis staple for bookbinding.In order to prevent that anastomosis staple comes off in transportation in nail bin, thus generally all can install an outer housing additional between nail-anvil assembly and nail bin groupware, because it is erected on nail barrel, so be called " nail barrel cover ".
Existing nail barrel cover structure comprises a plate shaped body, and its position that is erected on nail barrel is circle, and this circular diameter is greater than the diameter of described nail barrel and nail anvil.Like this, in the nail barrel cover can be equivalent to nail barrel and nail anvil are coated on.Cause like this a problem: can't be confirmed whether neglected loading cutter anvil after the tubular binding strument assembling is completed, in case neglected loading occurs, serious malpractice will be caused.
The present invention quotes the content that this patent is put down in writing as prior art.
Summary of the invention
The object of the invention is to solve above-mentioned technical problem, provide a kind of have whether detect voluntarily the nail barrel cover of the function of neglected loading cutter anvil.
Purpose of the present invention is achieved through the following technical solutions:
A kind of nail barrel cover is applicable to tubular binding strument, and described tubular binding strument comprises nail bin groupware and nail-anvil assembly, and described nail-anvil assembly comprises pin anvil shaft, nail anvil and establishes in the inner cutter anvil; Nail bin before described nail bin groupware comprises nail barrel and is fixed in it, described nail bin is built-in with the anastomosis staple for bookbinding,
Described nail barrel cover comprises plate shaped body, offers a diameter on described plate shaped body more than or equal to described pin anvil shaft, for the through hole that described pin anvil shaft is passed through;
Described plate shaped body offers an elongated slot along its line of symmetry, and described elongated slot passes described through hole and extends described plate shaped body, makes the crotched two halves formula of described plate shaped body shape; One end of described elongated slot is for connecting the connecting portion of the plate shaped body of this two halves formula;
The other end with respect to connecting portion of described plate shaped body is a furcation, and the circumscribed circle diameter of described furcation is more than or equal to the maximum gauge of described nail barrel;
Convex with a protuberance on one of them end face of described furcation, described protuberance is to the ultimate range in the through hole center of circle internal diameter greater than the cutter anvil, and is less than or equal to the internal diameter of nail anvil.
Preferably, the furcation of described plate shaped body is circular-arc, and the diameter of furcation is more than or equal to the maximum gauge of nail barrel.
Preferably, described protuberance is at least one raised line that is convexly set on the end face of described furcation, described raised line outwards divergently is arranged on this furcation end face for the center of circle from through hole, described raised line away from the end in the through hole center of circle to the distance in the through hole center of circle internal diameter greater than the cutter anvil, and less than or equal to the internal diameter of nail anvil.
Preferably, on one of them end face of described furcation, convex is provided with an annulus post, the inner hollow diameter of described annulus post equals the diameter of through hole, and described raised line divergently is arranged at the outside of described annulus post, and described raised line is connected in described annulus post near an end in the through hole center of circle.
Preferably, convex with at least two raised lines on one of them end face of described furcation, all described raised lines away from the external diameter of a circle of the end in the through hole center of circle internal diameter greater than the cutter anvil, and less than or equal to the internal diameter of nail anvil.
Perhaps preferred, described protuberance is at least one projection that is convexly set on the end face of described furcation, and described projection is to the ultimate range in the through hole center of circle internal diameter greater than the cutter anvil, and is less than or equal to the internal diameter of nail anvil.
Further preferred, convex with at least two projections on one of them end face of described furcation, described projection interval and being distributed on the end face of described furcation.
Perhaps preferred, described protuberance is at least one semicircular ring that is convexly set on the end face of described furcation, and described semicircular ring is to the ultimate range in the through hole center of circle internal diameter greater than the cutter anvil, and less than or equal to the internal diameter of nail anvil.
Further preferred, convex with two semicircular ring on one of them end face of described furcation, be separately positioned on the two halves formula body of plate shaped body bifurcated formation.
Preferably, convex with a cylinder on another end face of described furcation, the internal diameter of described cylinder equals the external diameter of described nail barrel.
Beneficial effect of the present invention is mainly reflected in: whether nail barrel cover structure of the present invention can detect neglected loading cutter anvil voluntarily in the process of installing apparatus.In case neglected loading cutter anvil, during the binding barrel cover, the nail barrel cover can enter in nail anvil, causes the spacing of nail-anvil assembly and nail bin groupware to change, and then reminds assembler's neglected loading cutter anvil.
Description of drawings
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Fig. 1: the structural representation of the preferred embodiment of the present invention.
Fig. 2: the preferred embodiment of the present invention is assemblied in the schematic diagram of tubular binding strument, and be equipped with cutter anvil in nail anvil this moment.
Fig. 3: the preferred embodiment of the present invention is assemblied in the schematic diagram of tubular binding strument, is unkitted in nail anvil this moment to be furnished with the cutter anvil.
Fig. 4: the structural representation of second embodiment of the invention.
Fig. 5: the structural representation of third embodiment of the invention.
The specific embodiment
The present invention has disclosed a kind of nail barrel cover, is applicable to tubular binding strument.
As shown in Figure 2, described tubular binding strument comprises nail-anvil assembly 1 and nail bin groupware 2, and described nail-anvil assembly 1 comprises pin anvil shaft 11, nail anvil 12 and establishes in the inner cutter anvil 13; Nail bin 22 before described nail bin groupware 2 comprises nail barrel 21 and is fixed in it, described nail bin 22 is built-in with the anastomosis staple (not shown) for bookbinding.
As shown in Figure 1, the nail barrel cover 3 of the preferred embodiment of the present invention comprises plate shaped body 30, offers a diameter on described plate shaped body 30 more than or equal to described pin anvil shaft 11, for the through hole 31 that described pin anvil shaft 11 is passed through.
Described plate shaped body 30 offers an elongated slot 32 along its line of symmetry, and described elongated slot 32 passes described through hole 31 and extends described plate shaped body, makes the described plate shaped body 30 crotched two halves formulas of shape; One end of described elongated slot is for connecting the connecting portion 33 of the plate shaped body of this two halves formula.
The other end with respect to connecting portion 33 of described plate shaped body 30 is a furcation 34, and the circumscribed circle diameter of described furcation 34 is more than or equal to the maximum gauge of described nail barrel 21, and whole like this furcation 34 just can cover the end face of nail barrel 21 and nail bin 22.Preferably, furcation 34 is circular-arc, and the diameter of furcation 34 is more than or equal to the maximum gauge of nail barrel 21.
Convex with raised line 35 on one of them end face 340 of described furcation 34, described raised line 35 outwards divergently is arranged on the end face 340 of this furcation for the center of circle from through hole, described raised line 35 away from the end in through hole 31 centers of circle to the distance B in through hole 31 centers of circle internal diameter greater than the cutter anvil, and less than the internal diameter of nail anvil.Preferably, the cross section of the cutter anvil of general tubular binding strument is " several " font, and the internal diameter of described cutter anvil is the minimum diameter of " several " font.
In this preferred embodiment, on one of them end face 340 of described furcation 34, convex is provided with an annulus post 36, the inner hollow diameter of described annulus post 36 equals the diameter of through hole 31, described raised line 35 divergently is arranged at the outside of described annulus post 36, and described raised line 35 is connected in described annulus post 36 near an end in the through hole center of circle.In general, raised line 35 and annulus post 36, and plate shaped body 30 integrated injection moldings get final product.
Preferably, convex with a cylinder 37 on the other end 341 of described furcation, the internal diameter of described cylinder 37 equals the external diameter of described nail barrel 21, so just the end face of whole nail barrel 21 can be packaged in the inside of described cylinder 37.
In conjunction with shown in Figure 2, when nail barrel cover 3 is assembled to tubular binding strument, pin anvil shaft 11 is located in described annulus post 36 and through hole 31.If when being provided with " several " font cutter anvil 13 in nail anvil 12, raised line 35 can be against the surface of described cutter anvil 13, like this because raised line 35 height own cause that a distance H is arranged between nail anvil 12 and nail barrel 21.And this moment, nail barrel cover another end face 341 of 3 closed all nails hole on nail bin, and the anastomosis staple in anti-non-magnetic shim hole leaks.
As shown in Figure 3, if when there is no " several " font cutter anvil 13 in nail anvil 12, raised line 35 can enter into the inside of nail anvil 12, the distance between nail anvil 12 and nail barrel 21 disappears immediately like this, indirectly points out in this nail anvil 12 of assembler cutter anvil 13 is not housed.
In this example, convex with a plurality of raised lines 35 on one of them end face of described furcation 34, all described raised lines 35 away from the external diameter of a circle of the end in the through hole center of circle internal diameter greater than cutter anvil 13, and can realize technical purpose of the present invention less than or equal to the internal diameter of nail anvil 12.Certainly, the general protuberance of raised line 35 use can also be realized, described protuberance is to the ultimate range in the through hole center of circle internal diameter greater than cutter anvil 13, and the internal diameter less than or equal to nail anvil 12, can play equally the same effect, and the concrete shape of everything and protuberance is irrelevant, and is only relevant with the position of its outermost (apart from a through hole side farthest), because this side could be effectively and described cutter anvil 13 butts.
The second embodiment of the invention and the 3rd embodiment that disclose of Fig. 4 and Fig. 5 for example.Concrete the second embodiment as shown in Figure 4 convexes with projection 38 on one of them end face 340 of described furcation 34, and the number of this projection 38 is not limit.In this example, convex with the projection 38 of a circle on end face 340, described projection 38 intervals and being distributed on the end face of described furcation 34.Described projection 38 is to the ultimate range in through hole 31 centers of circle internal diameter greater than the cutter anvil, and less than or equal to the internal diameter of nail anvil.
The 3rd embodiment as shown in Figure 5 convexes with two semicircular ring 39 on one of them end face 340 of described furcation 34, is separately positioned on the two halves formula body of plate shaped body bifurcated formation.Described semicircular ring 39 is to the ultimate range in through hole 31 centers of circle internal diameter greater than the cutter anvil, and less than or equal to the internal diameter of nail anvil.
The projection 38 of the second embodiment and the 3rd embodiment and semicircular ring 39 are respectively the protuberance on the end face that is arranged on arc plate, and it all can play and whether detect voluntarily the effect of neglected loading cutter anvil.
Raised line 35 in above embodiment, projection 38 and semicircular ring 39 arrange at least one and just can play and detect voluntarily the whether effect of neglected loading cutter anvil, also can be set to uniform two or more, not only can play the effect that detects neglected loading cutter anvil whether but also can prevent preferably that non-magnetic shim comes off in nail bin, result of use is better.
Of the present invention simple and reliable for structure, be fit to promote.
The present invention still has multiple concrete embodiment, is equal to replacement or equivalent transformation and all technical schemes of forming, within all dropping on the scope of protection of present invention.
Claims (10)
1. a nail barrel cover, be applicable to tubular binding strument, and described tubular binding strument comprises nail bin groupware and nail-anvil assembly, and described nail-anvil assembly comprises pin anvil shaft, nail anvil and establishes in the inner cutter anvil; Nail bin before described nail bin groupware comprises nail barrel and is fixed in it, described nail bin is built-in with the anastomosis staple for bookbinding, it is characterized in that:
Described nail barrel cover comprises plate shaped body, offers a diameter on described plate shaped body more than or equal to described pin anvil shaft, for the through hole that described pin anvil shaft is passed through;
Described plate shaped body offers an elongated slot along its line of symmetry, and described elongated slot passes described through hole and extends described plate shaped body, makes the crotched two halves formula of described plate shaped body shape; One end of described elongated slot is for connecting the connecting portion of the plate shaped body of this two halves formula;
The other end with respect to connecting portion of described plate shaped body is furcation, and the external diameter of a circle of described furcation is more than or equal to the maximum gauge of described nail barrel;
Convex with protuberance on one of them end face of described furcation, described protuberance is to the ultimate range in the through hole center of circle internal diameter greater than the cutter anvil, and is less than or equal to the internal diameter of nail anvil.
2. nail barrel cover according to claim 1, it is characterized in that: the furcation of described plate shaped body is circular-arc, and the diameter of furcation is more than or equal to the maximum gauge of nail barrel.
3. nail barrel cover according to claim 2, it is characterized in that: described protuberance is at least one raised line that is convexly set on the end face of described furcation, described raised line outwards divergently is arranged on this furcation end face for the center of circle from through hole, described raised line away from the end in the through hole center of circle to the distance in the through hole center of circle internal diameter greater than the cutter anvil, and less than or equal to the internal diameter of nail anvil.
4. nail barrel cover according to claim 3, it is characterized in that: on one of them end face of described furcation, convex is provided with an annulus post, the inner hollow diameter of described annulus post equals the diameter of through hole, described raised line divergently is arranged at the outside of described annulus post, and described raised line is connected in described annulus post near an end in the through hole center of circle.
5. nail barrel cover according to claim 4, it is characterized in that: convex with at least two raised lines on one of them end face of described furcation, all described raised lines away from the external diameter of a circle of the end in the through hole center of circle internal diameter greater than the cutter anvil, and less than or equal to the internal diameter of nail anvil.
6. nail barrel cover according to claim 2 is characterized in that: described protuberance is at least one projection that is convexly set on the end face of described furcation, and described projection is to the ultimate range in the through hole center of circle internal diameter greater than the cutter anvil, and less than or equal to the internal diameter of nail anvil.
7. nail barrel cover according to claim 6 is characterized in that: convex with at least two projections on one of them end face of described furcation, described projection interval and being distributed on the end face of described furcation.
8. nail barrel cover according to claim 2, it is characterized in that: described protuberance is at least one semicircular ring that is convexly set on the end face of described furcation, described semicircular ring is to the ultimate range in the through hole center of circle internal diameter greater than the cutter anvil, and less than or equal to the internal diameter of nail anvil.
9. nail barrel cover according to claim 8 is characterized in that: convex with two semicircular ring on one of them end face of described furcation, described two semicircular ring are separately positioned on the two halves formula body that plate shaped body bifurcated forms.
According to claim 1 to 9 described arbitrary nail barrel cover, it is characterized in that: convex with a cylinder on another end face of described furcation, the internal diameter of described cylinder equals the external diameter of described nail barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210469547.7A CN103083056B (en) | 2011-11-07 | 2012-11-07 | Nail barrel cover |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110347579 | 2011-11-07 | ||
| CN201110347579.5 | 2011-11-07 | ||
| CN2011103475795 | 2011-11-07 | ||
| CN201210469547.7A CN103083056B (en) | 2011-11-07 | 2012-11-07 | Nail barrel cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103083056A true CN103083056A (en) | 2013-05-08 |
| CN103083056B CN103083056B (en) | 2015-03-04 |
Family
ID=48196556
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220616676 Withdrawn - After Issue CN202982110U (en) | 2011-11-07 | 2012-11-07 | Screw cylinder cover |
| CN201210469547.7A Active CN103083056B (en) | 2011-11-07 | 2012-11-07 | Nail barrel cover |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220616676 Withdrawn - After Issue CN202982110U (en) | 2011-11-07 | 2012-11-07 | Screw cylinder cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN202982110U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202982110U (en) * | 2011-11-07 | 2013-06-12 | 苏州天臣国际医疗科技有限公司 | Screw cylinder cover |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4207898A (en) * | 1978-03-27 | 1980-06-17 | Senco Products, Inc. | Intralumenal anastomosis surgical stapling instrument |
| US5205459A (en) * | 1991-08-23 | 1993-04-27 | Ethicon, Inc. | Surgical anastomosis stapling instrument |
| CN2383476Y (en) * | 1999-02-10 | 2000-06-21 | 张祖仁 | Surgical tubular anastomat |
| CN202982110U (en) * | 2011-11-07 | 2013-06-12 | 苏州天臣国际医疗科技有限公司 | Screw cylinder cover |
-
2012
- 2012-11-07 CN CN 201220616676 patent/CN202982110U/en not_active Withdrawn - After Issue
- 2012-11-07 CN CN201210469547.7A patent/CN103083056B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4207898A (en) * | 1978-03-27 | 1980-06-17 | Senco Products, Inc. | Intralumenal anastomosis surgical stapling instrument |
| US5205459A (en) * | 1991-08-23 | 1993-04-27 | Ethicon, Inc. | Surgical anastomosis stapling instrument |
| CN2383476Y (en) * | 1999-02-10 | 2000-06-21 | 张祖仁 | Surgical tubular anastomat |
| CN202982110U (en) * | 2011-11-07 | 2013-06-12 | 苏州天臣国际医疗科技有限公司 | Screw cylinder cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN202982110U (en) | 2013-06-12 |
| CN103083056B (en) | 2015-03-04 |
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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, 1355 international science and Technology Park, Jinji Lake Avenue, Suzhou Industrial Park, Jiangsu, 3 21A Patentee before: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE Co.,Ltd. |