CN100589765C - Curved-cutter mechanism of disposal curved-cutter-stapler - Google Patents
Curved-cutter mechanism of disposal curved-cutter-stapler Download PDFInfo
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- CN100589765C CN100589765C CN200810124382A CN200810124382A CN100589765C CN 100589765 C CN100589765 C CN 100589765C CN 200810124382 A CN200810124382 A CN 200810124382A CN 200810124382 A CN200810124382 A CN 200810124382A CN 100589765 C CN100589765 C CN 100589765C
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- cutting mechanism
- connecting rod
- inosculating
- cutting
- right connecting
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Abstract
The invention relates to an inosculating and cutting mechanism of a disposable arch cutting anastomat, comprising an inosculating nail forming mechanism, a cutting mechanism, a cocking handle and an inosculating nail holder; the cutting mechanism consists of a blade, a blade bearing and a main push plate; the inosculating nail forming mechanism consists of two auxiliary push plates and a pushing sheet, the main push plate is located between two auxiliary push plates, and the cocking handle is movably connected with the main push plate which is provided with an inclined plane; the inosculatingand cutting mechanism further comprises a link mechanism which consists of two left connecting bars and a right connecting bar, the upper ends of two left connecting bars are respectively articulatedwith the auxiliary push plates by pins, the lower ends of the left connecting bars are connected with the right connecting bar by a movable pin which is positioned on the inclined plane of the main push plate, and the upper end of the right connecting bar is articulated with a fixed pin. The inosculating and cutting mechanism of the invention can realize multistage implementation of the cutting actions by one handle, and the force of inosculating and forming is large, thus guaranteeing the safety of operation.
Description
Technical field
The present invention relates to a kind of identical cutting mechanism of disposable arc-shaped cutting anastomat; Belong to medical instruments field.
Background technology
Present disposable use arc-shaped cutting anastomat mainly is suitable for the preceding resection operation of rectum low level.Disposable use arc-shaped cutting anastomat mainly comprises nail bin and nail supporting base closure, anastomosis staple and blade percussion portion.The deficiencies in the prior art are: in the percussion process, if anastomosis staple and blade simultaneous displacement, cutting blade is faster than the first contact of anastomosis staple tissue, causes anastomosis staple not fully under the state of sew, and blade cuts off tissue, comes risk to surgical band.
Summary of the invention
The identical cutting mechanism that the purpose of this invention is to provide a kind of disposable arc-shaped cutting anastomat.
The technical scheme that realizes above-mentioned purpose is: a kind of identical cutting mechanism of disposable arc-shaped cutting anastomat, comprise anastomosis staple shaping mechanism, cutting mechanism, firing handle and anastomosis staple seat, cutting mechanism is by blade, blade bearing and promote mainly plate and form, the anastomosis staple shaping mechanism is made up of two secondary push pedals and push jack, promote mainly plate between two secondary push pedals, firing handle flexibly connects with promoting mainly plate, promotes mainly plate and is provided with the inclined-plane; Also comprise a linkage of forming by left connecting rod and right connecting rod, left side connecting rod has two, and its upper end is hinged with secondary push pedal respectively by pin, and left connecting rod lower end is hinged by removable pin and right connecting rod, and this removable pin is positioned at the place, inclined-plane that promotes mainly plate, and the right connecting rod upper end is hinged with a steady pin.
After adopting technique scheme, by pulling firing handle, the plate of promoting mainly that promotes cutting mechanism moves forward, the inclined-plane of promoting mainly plate promotes to move on the linkage, thereby anastomosis staple shaping mechanism action molding is advanced in the secondary push pedal that promotes the anastomosis staple shaping mechanism, this moment, cutting mechanism can continue reach, but the push jack of anastomosis staple shaping mechanism is subjected to resistance stops reach, and keeps briquetting pressure, until cutting off tissue.
The present invention realizes that by a handle identical, cutting action branch carries out, and the forming force that coincide is big, has guaranteed the safety of operation.
Description of drawings
Fig. 1 is a main TV structure sketch map of the present invention;
Fig. 2 is for promoting mainly the vertical view of plate and secondary push pedal part among Fig. 1;
Fig. 3 is the D portion enlarged diagram among Fig. 1;
Fig. 4 is the E-E cross-sectional schematic of Fig. 3;
Fig. 5 is the F-F cross-sectional schematic of Fig. 1;
Fig. 6 is a fundamental diagram of the present invention.
The specific embodiment
The present invention is further detailed explanation below in conjunction with drawings and Examples.
Shown in Fig. 1～6, a kind of identical cutting mechanism of disposable arc-shaped cutting anastomat, comprise anastomosis staple shaping mechanism, cutting mechanism, firing handle 4 and anastomosis staple seat 5, cutting mechanism is by blade, blade bearing and promote mainly plate 2 and form, the anastomosis staple shaping mechanism is made up of two secondary push pedals 1 and push jack 7, promotes mainly plate 2 between two secondary push pedals 1, and two secondary push pedals 1 are fixed together by rivet, firing handle 4 flexibly connects with promoting mainly plate 2, promotes mainly plate 2 and is provided with inclined-plane 2-1; Also comprise a linkage of forming by left connecting rod 8 and right connecting rod 3, left side connecting rod 8 has two, its upper end is hinged with secondary push pedal 1 respectively by pin, connecting rod 8 lower ends, a left side are hinged by removable pin 10 and right connecting rod 3, and this removable pin 10 is positioned at the place, inclined-plane that promotes mainly plate 2, and right connecting rod 3 upper ends and a steady pin 9 are hinged.
Operation principle of the present invention following (as shown in Figure 6): pull firing handle 4, the plate 2 of promoting mainly that promotes cutting mechanism moves forward, the inclined-plane 2-1 that promotes mainly plate 2 promotes removable pin 10, thereby move on the left connecting rod 8 of promotion linkage, the secondary push pedal 1 that left connecting rod 8 promotes the anastomosis staple shaping mechanisms is advanced, anastomosis staple shaping mechanism action molding, this moment cutting mechanism promote mainly plate 2 can continue the reach, but the push jack 7 of anastomosis staple shaping mechanism is subjected to resistance stops reach, and keeps briquetting pressure, until cutting off tissue 6.
Design of the present invention can better expose anatomical structure, is convenient to deep operation, the dissect physiology that more complies with the nature when the doctor operates, before the rectum low level, can go deep into basin in the excision at the bottom of lower position, even enter narrow and small pelvis.
The more important thing is that this apparatus can be finished and sew up and cutting in once-through operation, simplified the step of rectum distal resection.This apparatus meets body mechanics's engineering design, can one hand closes and cuts, and one hand is pushed positioning needle, is convenient to the another hands and carries out the pelvic cavity operation.
Claims (1)
1, a kind of identical cutting mechanism of disposable arc-shaped cutting anastomat, comprise anastomosis staple shaping mechanism, cutting mechanism, firing handle (4) and anastomosis staple seat (5), cutting mechanism is by blade, blade bearing and promote mainly plate (2) and form, the anastomosis staple shaping mechanism is made up of two secondary push pedals (1) and push jack (7), promoting mainly plate (2) is positioned between two secondary push pedals (1), firing handle (4) flexibly connects with promoting mainly plate (2), it is characterized in that:
A, promote mainly plate (2) and be provided with inclined-plane (2-1);
B, also comprise a linkage of forming by left connecting rod (8) and right connecting rod (3), left side connecting rod (8) has two, its upper end is hinged with secondary push pedal (1) respectively by pin, connecting rod (8) lower end, a left side is hinged by removable pin (10) and right connecting rod (3), and this removable pin (10) is positioned at the place, inclined-plane that promotes mainly plate (2), and right connecting rod (3) upper end is hinged with a steady pin (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810124382A CN100589765C (en) | 2008-06-27 | 2008-06-27 | Curved-cutter mechanism of disposal curved-cutter-stapler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810124382A CN100589765C (en) | 2008-06-27 | 2008-06-27 | Curved-cutter mechanism of disposal curved-cutter-stapler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101322655A CN101322655A (en) | 2008-12-17 |
| CN100589765C true CN100589765C (en) | 2010-02-17 |
Family
ID=40186465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810124382A Active CN100589765C (en) | 2008-06-27 | 2008-06-27 | Curved-cutter mechanism of disposal curved-cutter-stapler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100589765C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201642173U (en) * | 2009-07-08 | 2010-11-24 | 北京中法派尔特医疗设备有限公司 | Nail propping block assembly capable of falling on side and anastomat adopting the same |
| CN102988091A (en) * | 2012-12-20 | 2013-03-27 | 常州安克医疗科技有限公司 | Connecting rod percussion type disposable skin stapler |
| CN104758030B (en) * | 2015-03-13 | 2017-02-01 | 上海朝举信息科技有限公司 | Transverse arc-shaped clamp treatment device for haemorrhoids |
| CN107825530A (en) * | 2017-11-20 | 2018-03-23 | 嘉善信息技术工程学校 | A kind of machine and wood cutting |
-
2008
- 2008-06-27 CN CN200810124382A patent/CN100589765C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101322655A (en) | 2008-12-17 |
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