CN201642306U - Bone screw removing device - Google Patents
Bone screw removing device Download PDFInfo
- Publication number
- CN201642306U CN201642306U CN2010201657874U CN201020165787U CN201642306U CN 201642306 U CN201642306 U CN 201642306U CN 2010201657874 U CN2010201657874 U CN 2010201657874U CN 201020165787 U CN201020165787 U CN 201020165787U CN 201642306 U CN201642306 U CN 201642306U
- Authority
- CN
- China
- Prior art keywords
- screw
- bone screw
- removing device
- synthetism
- jaw
- 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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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses a bone screw removing device, and belongs to the technical field of medical devices. The bone screw removing device comprises an upper forceps handle and a lower forceps handle, wherein a screw driver bar is arranged at the front end of the upper forceps handle; a wedge-shaped jaw is arranged at the front end of the lower forceps handle; a U-shaped notch is arranged in the middle of the jaw; and the screw driver bar faces towards the U-shaped notch of the wedge-shaped jaw. When a bone screw is removed, the wedge-shaped jaw is clamped below the screw cap of the bone screw, the screw driver bar is aligned to the screw groove on the screw cap, the forceps handles are pressed and the forceps body is rotated, thereby removing the bond screw with ease. The bone screw removing device prevents the damage to the screw groove, reduces the difficulty in removing the bond screw, and has the advantages of simple structure, convenient manufacturing and easy promotion.
Description
Technical field
This utility model relates to technical field of medical instruments, is specially a kind of synthetism nail extractor.
Background technology
Clinically, using the synthetism steel plate fixedly is the main means of treatment fracture with the bone of fracture.Synthetism steel plate and bone are fixing by the synthetism nail, treat must take out the synthetism nail after the union of fracture.The general screwdriver that adopts of the nail of synthetism at present takes out, time is longer because synthetism is followed closely in vivo, and the synthetism nail combine comparatively tight with sclerotin, and the utilization screwdriver is difficult for taking-up is followed closely in synthetism, sometimes even the nail groove of synthetism nail can be destroyed, further strengthen the taking-up difficulty of synthetism nail.
The utility model content
For overcoming above-mentioned technical problem, it is a kind of simple in structure that this utility model provides, the synthetism nail extractor that the synthetism nail is taken out that can be more or less freely.
For realizing above-mentioned technical purpose, this utility model is achieved through the following technical solutions: a kind of synthetism nail extractor comprises the pincers handle of two bendings being respectively upper plier handle and lower plier handle that two pincers handles intersect and undertaken fixedly connected by fixed axis; It is characterized in that the upper plier handle front end is provided with a screwdriver rod, the lower plier handle front end is provided with a wedge shape jaw, is provided with a U-shaped breach in the middle of the wedge shape jaw, and the screwdriver rod direction is pointed to the U-shaped breach of wedge shape jaw.When taking out the synthetism nail, the wedge shape jaw is stuck in below the nut of synthetism nail, screwdriver rod is aimed at nail groove on the synthetism head of a nail, the crush inhury handle also rotates caliper and can easily the synthetism nail be taken out.
This utility model structure is compared with conventional art, has following beneficial effect: contact with synthetism nail many places, increased the frictional force of butt joint nail, avoided damage, reduced the taking-up difficulty of synthetism nail the nail groove, and simple in structure, easily manufactured, be easy to promote.
Description of drawings
Fig. 1 is this utility model structural representation.
Fig. 2 is this utility model partial structurtes sketch maps.
Among the figure, 1, the wedge shape jaw, 2, screwdriver rod, 3, upper plier handle, 4, fixed axis, 5, lower plier handle, 6, the U-shaped breach.
The specific embodiment
Referring to Fig. 1,2, upper plier handle 3 is bending with lower plier handle 5, both are fixedly connected by fixed axis 4, upper plier handle 3 front ends are provided with a screwdriver rod 2, lower plier handle 5 front ends are provided with a wedge shape jaw 1, be provided with a U-shaped breach 6 in the middle of the wedge shape jaw 1, screwdriver rod 2 directions are pointed in the U-shaped breach 6 of wedge shape jaw 1.
Claims (1)
1. synthetism nail extractor comprises the pincers handle of two bendings being respectively upper plier handle and lower plier handle, and two pincers handles intersect and undertaken fixedly connected by fixed axis; It is characterized in that the upper plier handle front end is provided with a screwdriver rod, the lower plier handle front end is provided with a wedge shape jaw, is provided with a U-shaped breach in the middle of the wedge shape jaw, and the screwdriver rod direction is pointed to the U-shaped breach of wedge shape jaw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201657874U CN201642306U (en) | 2010-04-19 | 2010-04-19 | Bone screw removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201657874U CN201642306U (en) | 2010-04-19 | 2010-04-19 | Bone screw removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201642306U true CN201642306U (en) | 2010-11-24 |
Family
ID=43107491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201657874U Expired - Fee Related CN201642306U (en) | 2010-04-19 | 2010-04-19 | Bone screw removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201642306U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104706415A (en) * | 2015-03-17 | 2015-06-17 | 苏州瑞华医院有限公司 | A pair of tongs for taking intramedullary nail |
-
2010
- 2010-04-19 CN CN2010201657874U patent/CN201642306U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104706415A (en) * | 2015-03-17 | 2015-06-17 | 苏州瑞华医院有限公司 | A pair of tongs for taking intramedullary nail |
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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: 20101124 Termination date: 20120419 |