CN204192727U - A kind of bone screw - Google Patents
A kind of bone screw Download PDFInfo
- Publication number
- CN204192727U CN204192727U CN201420604902.1U CN201420604902U CN204192727U CN 204192727 U CN204192727 U CN 204192727U CN 201420604902 U CN201420604902 U CN 201420604902U CN 204192727 U CN204192727 U CN 204192727U
- Authority
- CN
- China
- Prior art keywords
- thread section
- shank
- full thread
- depressed part
- fully
- 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
Links
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- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The utility model discloses a kind of bone screw, comprise shank and head, shank is column, one end connection header, the other end is cone, and shank is made up of the first full thread section, the second full thread section and non-fully thread segment, and non-fully thread segment is between the first full thread section and the second full thread section; First full thread section, the second full thread section surface are distributed with threaded line, and non-fully thread segment comprises depressed part and non-depressed part, and non-depressed part surface distributed has threaded line, and depressed part is the inside depression in shank surface, and surface does not have threaded line; Head takes the shape of the letter U, and which is provided with a visable indicia, and visable indicia and depressed area are in the same side.The beneficial effects of the utility model are, set up depression on screw surface, and make it avoid the nerve touched in vertebra, product is safer.
Description
technical field
This utility model relates to a kind of bone screw, especially a kind of pedicle screw.
Background technology
To in the treatment of vertebra, need to insert pedicle screw toward vertebra in and assist, existing pyramidal root screw, the cylindrical structural that shank is integrated, surface is covered with screw thread, after inserting vertebra, easily touches the nerve in vertebra, damages patient.
Utility model content
This utility model object is to overcome the deficiencies in the prior art, proposes a kind of novel bone screw.
The technical solution of the utility model is: a kind of bone screw, comprise shank and head, shank is column, one end connection header, the other end is cone, shank is made up of the first full thread section, the second full thread section and non-fully thread segment, and non-fully thread segment is between the first full thread section and the second full thread section; First full thread section, the second full thread section surface are distributed with threaded line, and non-fully thread segment comprises depressed part and non-depressed part, and non-depressed part surface distributed has threaded line, and depressed part is the inside depression in shank surface, and surface does not have threaded line; Head takes the shape of the letter U, and which is provided with a visable indicia, and visable indicia and depressed area are in the same side.
The beneficial effects of the utility model are, set up depression on screw surface, and make it avoid the nerve touched in vertebra, product is safer.
accompanying drawing explanation
Fig. 1 is the structural representation of screw.
Detailed description of the invention
Below in conjunction with drawings and Examples, set forth this utility model further.As shown in Figure 1, a kind of bone screw, comprise shank 1 and head 2, shank is column, one end connection header, the other end is cone 3, and shank is made up of the first full thread section 11, second full thread section 12 and non-fully thread segment 13, and non-fully thread segment is between the first full thread section and the second full thread section; First full thread section, the second full thread section surface are distributed with threaded line, and non-fully thread segment comprises depressed part 131 and non-depressed part 132, and non-depressed part surface distributed has threaded line, and depressed part is the inside depression in shank surface, and surface does not have threaded line; Head takes the shape of the letter U, and for connecting spinal support system, which is provided with a visable indicia 21, visable indicia and depressed area in the same side, visable indicia be for the ease of medical worker operate time, the position at depressed part place can be recognized.
More than show and describe ultimate principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; this utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from this utility model spirit and scope; this utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed this utility model.The claimed scope of this utility model is defined by appending claims and equivalent thereof.
Claims (1)
1. a bone screw, is characterized in that, comprises shank and head, shank is column, one end connection header, and the other end is cone, shank is made up of the first full thread section, the second full thread section and non-fully thread segment, and non-fully thread segment is between the first full thread section and the second full thread section; First full thread section, the second full thread section surface are distributed with threaded line, and non-fully thread segment comprises depressed part and non-depressed part, and non-depressed part surface distributed has threaded line, and depressed part is the inside depression in shank surface, and surface does not have threaded line; Head takes the shape of the letter U, and which is provided with a visable indicia, and visable indicia and depressed area are in the same side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420604902.1U CN204192727U (en) | 2014-10-20 | 2014-10-20 | A kind of bone screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420604902.1U CN204192727U (en) | 2014-10-20 | 2014-10-20 | A kind of bone screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204192727U true CN204192727U (en) | 2015-03-11 |
Family
ID=52650735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420604902.1U Expired - Fee Related CN204192727U (en) | 2014-10-20 | 2014-10-20 | A kind of bone screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204192727U (en) |
-
2014
- 2014-10-20 CN CN201420604902.1U patent/CN204192727U/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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518102 Guangdong city of Shenzhen province Baoan District Xixiang Street nine community nine Wai Wai Industrial Zone Industrial Park, the first building of Baoxin poly two Patentee after: Shenzhen Jin Xing Xing Technology Co., Ltd. Address before: 518102 Guangdong city of Shenzhen province Baoan District Xixiang Street nine community nine Wai Wai Industrial Zone Industrial Park, the first building of Baoxin poly two Patentee before: SHENZHEN CITY JIN HONG XING HARDWARE TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20201020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |