CN201996655U - Broken screw piece extractor for orthopedic surgery - Google Patents
Broken screw piece extractor for orthopedic surgery Download PDFInfo
- Publication number
- CN201996655U CN201996655U CN2011200542844U CN201120054284U CN201996655U CN 201996655 U CN201996655 U CN 201996655U CN 2011200542844 U CN2011200542844 U CN 2011200542844U CN 201120054284 U CN201120054284 U CN 201120054284U CN 201996655 U CN201996655 U CN 201996655U
- Authority
- CN
- China
- Prior art keywords
- rod
- broken screw
- screw
- screw piece
- extractor
- 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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- Surgical Instruments (AREA)
Abstract
A broken screw piece extractor for orthopedic surgery comprises a handle and a rod. The handle is mounted at one end of the rod, the other end of the rod is a conical structure, threads are disposed on the periphery of the conical structure, the direction of the threads on the periphery of the conical structure is opposite to that of threads of a screw, and a drill bit is disposed at the end of the conical structure. Compared with the prior art, the broken screw piece extractor for orthopedic surgery has the advantages that the broken screw piece extractor is simple in structure, convenient in use and low in cost, and can be used for quickly taking out broken screw pieces sunk in limbs of patients. In addition, the broken screw piece extractor alleviates sufferings of the patients, and guarantees smooth surgery or success rate of the surgery.
Description
Technical field
This utility model relates to technical field of medical instruments, is specifically related to a kind of Orthopeadic Surgery with the disconnected body extractor of screw.
Background technology
At present, metallic screw is an internal fixation apparatus commonly used in the bone surgery, and the use of such screw makes the fracture internal fixation reliable, respond well.But, because screw quality problems or other reasons, in clinical use or after the operation, the screw phenomenon that wrecks takes place sometimes, influenced the carrying out of operation or the success of operation.The disconnected body that caves in after how screw being fractureed takes out fast, is the individual difficult problem that the author is badly in need of solving under the vast Orthopeadic Surgery medical matters.
The utility model content
The purpose of this utility model is exactly the defective that exists at prior art, provides a kind of simple in structure, easy to use, Orthopeadic Surgery of being trapped in the disconnected body of limbs inner bolt in can taking out fast with the disconnected body extractor of screw.
Its technical scheme is: described Orthopeadic Surgery comprises the handle and the body of rod with the disconnected body extractor of screw, described handle is installed in an end of the body of rod, the other end of the body of rod is a cone-shaped structure, and this cone-shaped structure periphery is provided with the screw thread opposite with the screw thread direction, and its end is provided with drill bit.
This utility model has advantage simple in structure, easy to use, with low cost, as to be trapped in the disconnected body of limbs inner bolt in can taking out fast compared with prior art.Alleviate patient's misery, guaranteed the success rate of carrying out or performing the operation smoothly of operation.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of this utility model.
The specific embodiment
With reference to Fig. 1, a kind of Orthopeadic Surgery is with the disconnected body extractor of screw, described Orthopeadic Surgery comprises the handle 1 and the body of rod 2 with the disconnected body extractor of screw, described handle 1 is installed in an end of the body of rod 2, the other end of the body of rod 2 is a cone-shaped structure, this cone-shaped structure periphery is provided with the screw thread 3 opposite with the screw thread direction, and its end is provided with drill bit 4.
When using this utility model, hold the handle 1 of this Orthopeadic Surgery with the disconnected body extractor of screw, the drill bit 4 of the body of rod 2 ends is placed on the disconnected body of screw, opposite spin handle 1, promptly can be got out aperture in the middle of the disconnected body of this moment of screw under the effect of drill bit 4, be continued opposite spin handle 1, because this utility model is provided with the screw thread 3 opposite with the screw thread direction, to silk on the disconnected body opposite direction of screw, the body that screw can be broken when producing enough moments of torsion screw out gradually under it acts on.
Claims (1)
1. an Orthopeadic Surgery is with the disconnected body extractor of screw, it is characterized in that: described Orthopeadic Surgery comprises the handle and the body of rod with the disconnected body extractor of screw, described handle is installed in an end of the body of rod, the other end of the body of rod is a cone-shaped structure, this cone-shaped structure periphery is provided with the screw thread opposite with the screw thread direction, and its end is provided with drill bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200542844U CN201996655U (en) | 2011-03-04 | 2011-03-04 | Broken screw piece extractor for orthopedic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200542844U CN201996655U (en) | 2011-03-04 | 2011-03-04 | Broken screw piece extractor for orthopedic surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201996655U true CN201996655U (en) | 2011-10-05 |
Family
ID=44699436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200542844U Expired - Fee Related CN201996655U (en) | 2011-03-04 | 2011-03-04 | Broken screw piece extractor for orthopedic surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201996655U (en) |
-
2011
- 2011-03-04 CN CN2011200542844U patent/CN201996655U/en not_active Expired - Fee Related
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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: 20111005 Termination date: 20120304 |