CN201234986Y - Biopsy pliers - Google Patents
Biopsy pliers Download PDFInfo
- Publication number
- CN201234986Y CN201234986Y CNU2008201518253U CN200820151825U CN201234986Y CN 201234986 Y CN201234986 Y CN 201234986Y CN U2008201518253 U CNU2008201518253 U CN U2008201518253U CN 200820151825 U CN200820151825 U CN 200820151825U CN 201234986 Y CN201234986 Y CN 201234986Y
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- China
- Prior art keywords
- steel wire
- jaw
- driving
- drives
- driving steel
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses a biopsy forceps, which is characterized in that a first forceps mouth is connected with a cable wire through a first driving steel wire, a second forceps mouth is connected with a cable wire through a second driving steel wire, the lower portion of the first driving steel wire and the lower portion of the second driving steel wire are folded, and are placed in a spring, and the upper portion of the first steel wire and the upper portion of the second steel wire are diverged. Compared with a traditional four-connecting-bar structure, the device has few components of a driving structure. The utility model has the advantage of simple structure, therefore, greatly reduces processing difficulties, enormously increases yield, and reduces production cost, has longer service life, and can completely meet the requirement of repeated use proved by endurance tests. As two sides of the first forceps mouth and the second forceps mouth are both provided with the driving steel wires, and the forceps mouths on two sides are directly dominated by the driving steel wires on two sides, therefore, the push-pull force is actually reliable, and is instantly effective after driving.
Description
Technical field
This utility model relates to technical field of medical, is specifically related to a kind of biopsy forceps.
Background technology
Endoscope is mainly as the intravital indirect observation inspection of patient, takes off a spot of biological tissue in this position in patient's cavity and does the pathology cut sections for microscopic examination when needing for suspicious part further to check often to need when confirming to enter from endoscope channel with biopsy forceps.
Because will pass in and out from endoscope channel, so biopsy forceps is a kind of very little apparatus comparatively speaking, the traction drive structure that its jaw opens and closes is just littler, and common drives structure is a four-bar linkage structure.Because its reliable in structure physical life is long, the biopsy forceps tradition just is to use this structure.But because this structure more complicated, part is many, makes and requires height, and cost is also high.
The utility model content
It is a kind of simple in structure that the purpose of this utility model is to provide, the drives structure of the biopsy forceps of low cost of manufacture.
In order to realize this purpose, the technical solution of the utility model is as follows: a kind of biopsy forceps, comprise first jaw and second jaw, be rotationally connected between first jaw and second jaw and the support, be provided with spring between support and the handle, steel wire rope is connected with handle, it is characterized in that first jaw drives steel wire by first and is connected with steel wire rope, second jaw drives steel wire by second and is connected with steel wire rope, the first driving steel wire bottom and second drives the steel wire bottom and closes up, be placed in the spring, the first driving steel wire top and second drives steel wire top and diverges to.When first jaw and second jaw opened, first drives steel wire and second drove the angle that steel wire diverges to 15 °～40 ° of the terminal formation of portion.It is 2～8mm that the first driving steel wire and the second driving steel wire separate director's degree.
Compare traditional four-bar linkage structure, the part number of its drives structure reduces.Advantage of the present utility model is simple in structure, so also reduction greatly of difficulty of processing, has greatly improved output, has reduced production cost.And long service life proves through endurancing, can satisfy reusable requirement fully.
Description of drawings
Fig. 1 is the prior art constructions sketch map
Fig. 2 is the structural representation of this utility model one embodiment
Fig. 3 is the side view of this embodiment
The specific embodiment
Fig. 1 shows the prior art constructions sketch map.On scheming, can see, this biopsy forceps comprises two jaws that are rotationally connected mutually 1,2, the lower end of jaw 1,2 is connected with push rod 4 by four-bar linkage structure 3, push rod 4 is connected with steel wire rope 5, the lower end of steel wire rope 5 is connected with the handle (not shown), also be provided with support 7 in the rotating shaft between these two jaws 1,2, be provided with spring 6 between support 7 and the handle (not shown).
Fig. 2 and Fig. 3 are the structural representation of this utility model one embodiment.A kind of biopsy forceps, comprise first jaw 1 and second jaw 2, be rotationally connected between first jaw 1 and second jaw 2 and the support 7, be provided with spring 6 between support 7 and the handle, steel wire rope 5 is connected with handle, it is characterized in that first jaw 1 drives steel wire 8 by first and is connected with steel wire rope 5, second jaw 2 drives steel wire 9 by second and is connected with steel wire rope 5, first driving steel wire 8 bottoms and second drive steel wire 9 bottoms and close up, be placed in the spring 6, first driving steel wire 8 tops and second drive steel wire 9 tops and diverge to.When first jaw 1 and second jaw 2 opened, first drives steel wire 8 and second drove the angle that steel wire 9 diverges to 15 °～40 ° of the terminal formation of portion, and angle is preferably 22 °.When first jaw 1 and second jaw 2 opened, the first driving steel wire 8 and the second driving steel wire 9 separately director's degree were 2～8mm, are preferably 4mm.First steel wire diameter that drives the steel wire 8 and the second driving steel wire 9 is 0.1～0.3mm, is preferably 0.2mm.First jaw, 1 lower end is provided with aperture, second jaw, 2 lower ends also are provided with aperture, first jaw, 1 both sides are equipped with one first and drive steel wire 8, two first drive steel wire 8 and connect in the aperture of first jaw 1, second jaw, 2 both sides are equipped with 9, two second drivings of one second driving steel wire steel wire 9 and connect in the aperture of second jaw 2, and two first driving steel wires 8 and two second driving steel wires 9 stagger mutually, intersection sandwiches, and is arranged side by side in the spring 6.The first driving steel wire and second that the foregoing angle that diverges to portion's end refers to the same side drives the angle that steel wire diverges to portion's end.First drives steel wire 8 is connected with steel wire rope 5 by same socket 10 with second bottom that drives steel wire 9.The external diameter of steel wire rope 5 is 0.3～1.0mm, can be made up of 3～19 bundle steel wires.The external diameter of steel wire rope 5 is preferably 0.5mm, is made up of 7 bundle steel wires.
During work, rely on the support of spring 6, driving haulage cable 5 by handle moves upward, drive steel wire 8 and second by the socket 10 and first that is welded as a whole with steel wire rope 5 and drive steel wire 9 upwards, first jaw 1 and second jaw 2 are opened, drive haulage cable 5 by handle and move downward, progressively take in the spring 6 downwards, make first jaw 1 and second jaw, 2 closures by driving steel wire 9 with steel wire rope 5 drives, the first driving steel wire 8 and second.Owing to be equipped with the driving steel wire in the both sides of first jaw 1 and second jaw 2, directly arrange the both sides jaw with two side drive steel wires, push-pull effort is infallible, and it is effectively instant to drive the back.Stressed so in use evenly, so long service life, not fragile, and good operability when using.
Claims (6)
1, a kind of biopsy forceps, comprise first jaw and second jaw, be rotationally connected between first jaw and second jaw and the support, be provided with spring between support and the handle, steel wire rope is connected with handle, it is characterized in that first jaw drives steel wire by first and is connected with steel wire rope, second jaw drives steel wire by second and is connected with steel wire rope, the first driving steel wire bottom and second drives the steel wire bottom closes up, and is placed in the spring, and the first driving steel wire top and second drives steel wire top and diverges to.
2, biopsy forceps as claimed in claim 1 is characterized in that it is 2～8mm that the first driving steel wire and the second driving steel wire diverge to director's degree, 15 °～40 ° angles of the terminal formation of the portion of diverging to.
3, biopsy forceps as claimed in claim 1 is characterized in that first steel wire diameter that drives the steel wire and the second driving steel wire is 0.1～0.3mm.
4, biopsy forceps as claimed in claim 1, it is characterized in that the first jaw lower end is provided with aperture, the second jaw lower end also is provided with aperture, the first jaw both sides are equipped with one first and drive steel wire, two first drive steel wire and connect in the aperture of first jaw, the second jaw both sides are equipped with one second and drive steel wire, two second drive steel wire and connect in the aperture of second jaw, stagger mutually in two first driving steel wire bottoms and two second driving steel wire bottoms, intersection sandwiches, and is arranged side by side in the spring.
5, biopsy forceps as claimed in claim 1 is characterized in that first bottom that drives the steel wire and the second driving steel wire is connected with steel wire rope by same socket.
6, biopsy forceps as claimed in claim 1, the external diameter that it is characterized in that steel wire rope is 0.3～1.0mm, is made up of 3～19 bundle steel wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201518253U CN201234986Y (en) | 2008-08-11 | 2008-08-11 | Biopsy pliers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201518253U CN201234986Y (en) | 2008-08-11 | 2008-08-11 | Biopsy pliers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201234986Y true CN201234986Y (en) | 2009-05-13 |
Family
ID=40647718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201518253U Expired - Fee Related CN201234986Y (en) | 2008-08-11 | 2008-08-11 | Biopsy pliers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201234986Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104244844A (en) * | 2012-08-30 | 2014-12-24 | 奥林巴斯医疗株式会社 | Opening closer |
| CN107238509A (en) * | 2017-04-12 | 2017-10-10 | 冯颖 | Modified form pathology sampler |
| CN109998602A (en) * | 2019-04-23 | 2019-07-12 | 河南省中医院（河南中医药大学第二附属医院） | Special sampler of alimentary canal tumour biopsy tissue |
-
2008
- 2008-08-11 CN CNU2008201518253U patent/CN201234986Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104244844A (en) * | 2012-08-30 | 2014-12-24 | 奥林巴斯医疗株式会社 | Opening closer |
| US9414825B2 (en) | 2012-08-30 | 2016-08-16 | Olympus Corporation | Closure device |
| CN107238509A (en) * | 2017-04-12 | 2017-10-10 | 冯颖 | Modified form pathology sampler |
| CN107238509B (en) * | 2017-04-12 | 2019-05-21 | 蔡宏飞 | Modified form pathology sampler |
| CN109998602A (en) * | 2019-04-23 | 2019-07-12 | 河南省中医院（河南中医药大学第二附属医院） | Special sampler of alimentary canal tumour biopsy tissue |
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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: 20090513 Termination date: 20100811 |