CN200994818Y - Medical bone screw - Google Patents
Medical bone screw Download PDFInfo
- Publication number
- CN200994818Y CN200994818Y CN 200720004114 CN200720004114U CN200994818Y CN 200994818 Y CN200994818 Y CN 200994818Y CN 200720004114 CN200720004114 CN 200720004114 CN 200720004114 U CN200720004114 U CN 200720004114U CN 200994818 Y CN200994818 Y CN 200994818Y
- Authority
- CN
- China
- Prior art keywords
- screw
- utility
- recess
- model
- bone screw
- 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
The utility model is a medical bolt used for department of orthopedics, which comprises a common bolt (1) used for department of orthopedics. The utility model is characterized in that a rectangular notch (2) is arranged at the end part of the bolt (1), and the notch (2) straightly reaches the middle part of the bolt (1).
Description
Technical field: this utility model belongs to the medical instruments technical field.Be a kind of orthopaedic screw specifically.
Background technology: the doctor usually uses screw fixedly fracture site or fixation steel plate when performing the operation to fracture patient at present, but needs to take out screw after the union of fracture, and this moment is but very difficult.This is because screw is passing through more than half a year even after time several years, with the osseous tissue fluid-tight engagement, more because the groove of screw tail process is performed the operation the back because the broadening that shoaled of wearing and tearing the first time, screw can not dally if firmly withstand then when getting nail, screwdriver skids if firmly do not withstand then, has prolonged the misery of getting the nail time and having increased the patient.
Summary of the invention: the purpose of this utility model provides a kind of medical orthopaedic screw that takes out easily when following closely of getting.
The technical solution of the utility model is: it comprises common orthopaedic screw, is provided with a rectangle recess at the screw afterbody, the middle part of the through screw of the degree of depth of recess.
The beneficial effects of the utility model are: this utility model is simple in structure, and is easy to use effective.Since be provided with a rectangle recess at the screw afterbody, the through screw of the degree of depth of recess middle part, and screwdriver can enter the screw middle part when following closely so get, and makes that getting nail is easy to firmly become simple and fast, has alleviated patient's misery greatly.
Description of drawings: accompanying drawing 1 is a structural representation of the present utility model.
Among the figure 1, screw, 2, recess.
The specific embodiment: it comprises common orthopaedic screw 1, is provided with a rectangle recess 2 at screw 1 afterbody, the middle part of the through screw 1 of the degree of depth of recess 2.When getting nail, insert screw recess 2 deeply with screwdriver, the rotation screw cutter can take out screw 1.
Claims (1)
1, a kind of medical orthopaedic screw, it comprises common orthopaedic screw (1), it is characterized in that: be provided with a rectangle recess (2) at screw (1) afterbody, the middle part of the through screw (1) of the degree of depth of recess (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720004114 CN200994818Y (en) | 2007-01-28 | 2007-01-28 | Medical bone screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720004114 CN200994818Y (en) | 2007-01-28 | 2007-01-28 | Medical bone screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200994818Y true CN200994818Y (en) | 2007-12-26 |
Family
ID=38993231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720004114 Expired - Fee Related CN200994818Y (en) | 2007-01-28 | 2007-01-28 | Medical bone screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200994818Y (en) |
-
2007
- 2007-01-28 CN CN 200720004114 patent/CN200994818Y/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 | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: CO-PATENTEE TO: LI CHUNHUA ^ |
|
| CU01 | Correction of utility model patent |
Correction item: Co-patentee Correct: Li Chunhua Number: 52 Page: The title page Volume: 23 |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Co-patentee Correct: Li Chunhua Number: 52 Volume: 23 |
|
| ERR | Gazette correction |
Free format text: CORRECT: CO-PATENTEE; FROM: NONE ^ TO: LI CHUNHUA ^ |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071226 |