CN201139611Y - Ring-form knife - Google Patents
Ring-form knife Download PDFInfo
- Publication number
- CN201139611Y CN201139611Y CNU2007201317599U CN200720131759U CN201139611Y CN 201139611 Y CN201139611 Y CN 201139611Y CN U2007201317599 U CNU2007201317599 U CN U2007201317599U CN 200720131759 U CN200720131759 U CN 200720131759U CN 201139611 Y CN201139611 Y CN 201139611Y
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- CN
- China
- Prior art keywords
- annular knife
- knife
- annular
- anastomat
- cutter hub
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to an annular knife which relates to a surgical knife used together with an anastomat and particularly applied to a disposable anastomat. The annular knife is provided with an annular knife body, wherein, the upper end of the annular knife body is provided with an annular knife opening, the cutting angle of the annular knife opening is between 30 and 50 degrees, the bottom part of the annular knife body is provided with a mounting base, the annular knife body and the mounting base are an integral structure, the mounting base is arranged on an outer ring or an inner ring of the bottom part of the annular knife body, the mounting base is provided with a plurality of mounting holes which are set into one shape of the circle, ellipse, long-waist and circular arc shapes. When the annular knife is used together with the anastomat, the annular knife is arranged on a plastic assembly body of a needle pushing sheet in the front of the anastomat for rapidly cutting the human body tissue and being convenient to rapidly inosculate the human body tissue in the operation process. The annular knife has reasonable design, simple structure and convenient use in the operation by a medical worker, shortens the operation time, improves the operation success rate and relieves the pain of a patient.
Description
Technical field
What this utility model endless knife related to is a kind of and the matching used surgical cut cutter of anastomat, is specially adapted to disposable and muptiple-use anastomat.
Background technology
The anastomat endless knife edge of a knife is sharp inadequately at present, angular dimension differs, resistance ratios was bigger when anastomat used in surgical cut, make troubles to medical personnel's operation, can not in time the tissue that needs osculating be cut off and coincide, prolong operating time, bring the unnecessary misery and the generation of malpractice to patient.
Summary of the invention
The purpose of this utility model is to provide a kind of endless knife at above-mentioned weak point, select suitable edge of a knife angle, the employing stainless steel material is made, the edge of a knife is sharp, non-notch, no spoken parts in traditional operas, no wiredrawn edge, good, the required cutting force of intensity are less, with the supporting use of anastomat, medical personnel perform the operation easy to use, shorten operating time, improve success rate of operation, reduced patient's misery.
Endless knife takes following scheme to realize: the endless knife structure has annular cutter hub, annular cutter hub upper end is provided with the annular edge of a knife, annular edge of a knife cutting angle is set to 30 °～50 °, annular cutter hub bottom is provided with mounting seat, annular cutter hub and mounting seat are an overall structure, mounting seat is arranged on annular cutter hub outer ring, bottom or inner ring, and mounting seat is provided with several installing holes, and installing hole is set to a kind of in circle, ellipse, long waist shaped, the circular arc.
During the supporting use of endless knife and anastomat, be assemblied on the anterior needle pushing plate plastic assembly of anastomat, be used for the fly-cutting tissue in the operation process, be convenient to coincide fast tissue.
This utility model endless knife is reasonable in design, simple in structure, because the annular edge of a knife cutting angle of annular cutter hub upper end is set to 30 °～50 °, and adopt stainless steel material to make, the edge of a knife is sharp, non-notch, no spoken parts in traditional operas, no wiredrawn edge, good, the required cutting force of intensity are less, with the supporting use of anastomat, it is easy to use that medical personnel are performed the operation, and shortens operating time, improve success rate of operation, reduced patient's misery simultaneously.The endless knife design outline is bright and clean and attractive in appearance, meets the medical apparatus and instruments instructions for use.
Description of drawings
The utility model is described in further detail below with reference to accompanying drawing.
Fig. 1 is endless knife embodiment 1 front view.
Fig. 2 is endless knife embodiment 1 vertical view.
Fig. 3 is endless knife embodiment 2 front views.
Fig. 4 is endless knife embodiment 2 vertical views.
The specific embodiment
With reference to accompanying drawing 1,2, the endless knife structure has annular cutter hub 2, annular cutter hub 2 upper ends are provided with the annular edge of a knife 1, the annular edge of a knife 1 cutting angle α is set to 30 °～50 °, annular cutter hub 2 bottoms are provided with mounting seat 3, and annular cutter hub 2 is an overall structure with mounting seat 3, and mounting seat 3 is arranged on outer ring, annular cutter hub bottom, mounting seat 3 is provided with several installing holes 4, and installing hole 4 is set to a kind of in circle, ellipse shape, long waist shaped, the circular arc.
With reference to accompanying drawing 3,4, the endless knife structure has annular cutter hub 6, annular cutter hub 6 upper ends are provided with the annular edge of a knife 5, the annular edge of a knife 5 cutting angle α are set to 30 °～50 °, annular cutter hub 6 bottoms are provided with mounting seat 7, and annular cutter hub 6 is an overall structure with mounting seat 7, and mounting seat is arranged on annular cutter hub bottom inner ring, mounting seat 7 is provided with several installing holes 8, and installing hole 8 is set to a kind of in circle, ellipse shape, long waist shaped, the circular arc.
Claims (4)
1, a kind of endless knife, it is characterized in that the endless knife structure has annular cutter hub, annular cutter hub upper end is provided with the annular edge of a knife, and annular edge of a knife cutting angle is set to 30 °～50 °, annular cutter hub bottom is provided with mounting seat, and annular cutter hub and mounting seat are an overall structure.
2, endless knife according to claim 1 is characterized in that described mounting seat is arranged on annular cutter hub outer ring, bottom or inner ring.
3, endless knife according to claim 1 is characterized in that described mounting seat is provided with several installing holes.
4, endless knife according to claim 3 is characterized in that described installing hole is set to a kind of in circle, ellipse shape, long waist shaped, the circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201317599U CN201139611Y (en) | 2007-12-20 | 2007-12-20 | Ring-form knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201317599U CN201139611Y (en) | 2007-12-20 | 2007-12-20 | Ring-form knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201139611Y true CN201139611Y (en) | 2008-10-29 |
Family
ID=40067330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201317599U Expired - Fee Related CN201139611Y (en) | 2007-12-20 | 2007-12-20 | Ring-form knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201139611Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017066939A1 (en) | 2015-10-21 | 2017-04-27 | Covidien Lp | Annular knife for surgical stapler |
-
2007
- 2007-12-20 CN CNU2007201317599U patent/CN201139611Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017066939A1 (en) | 2015-10-21 | 2017-04-27 | Covidien Lp | Annular knife for surgical stapler |
| CN108135616A (en) * | 2015-10-21 | 2018-06-08 | 柯惠有限合伙公司 | For the endless knife of surgical staplers |
| EP3364886A4 (en) * | 2015-10-21 | 2019-06-05 | Covidien LP | ANNULAR BLADE FOR SURGICAL STAPLER |
| US10842495B2 (en) | 2015-10-21 | 2020-11-24 | Covidien Lp | Annular knife for a surgical stapler |
| CN108135616B (en) * | 2015-10-21 | 2022-04-15 | 柯惠有限合伙公司 | Annular knife for surgical stapler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081029 Termination date: 20100120 |