CN204092163U - Pedicle nail combines - Google Patents
Pedicle nail combines Download PDFInfo
- Publication number
- CN204092163U CN204092163U CN201420344919.8U CN201420344919U CN204092163U CN 204092163 U CN204092163 U CN 204092163U CN 201420344919 U CN201420344919 U CN 201420344919U CN 204092163 U CN204092163 U CN 204092163U
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- CN
- China
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- pedicle nail
- nail
- pedicle
- main body
- expansion sleeve
- 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.)
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Abstract
This utility model relates to vertebral column internal fixation nail stick systems technology field, especially a kind of pedicle nail combination.The connected mode of existing nail-stick system is: with locking device as rod is fixed in the U-type groove of pedicle nail by jackscrew, plug screw etc., locking device is threaded with pedicle nail, and this nail-stick system product operation more complicated, efficiency is not high.The combination of this pedicle nail comprises pedicle nail main body, and the riveted joint of described pedicle nail main body upper end has expansion sleeve, and expansion sleeve bottom stage just snaps in the draw-in groove of pedicle nail head.Pedicle nail combinative structure after improvement is simple, and cost is low, facilitates operation technique, reduces operating time.
Description
Technical field
This utility model relates to vertebral column internal fixation nail stick systems technology field, especially a kind of pedicle nail combination.
Background technology
Nail pedicle fix system, owing to having firm three-dimensional fixed effect, is more and more subject to the favor of domestic orthopedics expert, and this technology has been widely used in the fixing of spinal column at present.The connected mode of existing nail-stick system is: with locking device as rod is fixed in the U-type groove of pedicle nail by jackscrew, plug screw etc., locking device is threaded with pedicle nail, and this nail-stick system product operation more complicated, efficiency is not high.
Utility model content
In order to overcome existing above-mentioned deficiency, this utility model provides the combination of a kind of pedicle nail.
This utility model solves the technical scheme that its technical problem adopts: a kind of pedicle nail combination, comprises pedicle nail main body, and the riveted joint of described pedicle nail main body upper end has expansion sleeve.
According to another embodiment of the present utility model, comprise described expansion sleeve bottom stage further and just snap in the draw-in groove of pedicle nail body head.
The beneficial effects of the utility model are, structure is simple, and cost is low, facilitates operation technique, reduce operating time.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is expansion sleeve schematic diagram of the present utility model.
Fig. 3 is pedicle nail main body schematic diagram of the present utility model.
1. pedicle nail main body, 2. expansion sleeve, 3. draw-in grooves in figure.
Detailed description of the invention
As shown in Figure 1, 2, 3, a kind of pedicle nail combination, comprise pedicle nail main body 1, the riveted joint of described pedicle nail main body 1 upper end has expansion sleeve 2, expansion sleeve 2 endoporus contacts with pedicle nail main body 1 head cylindrical, and rivet bottom expansion sleeve 2, described expansion sleeve 2 bottom stage just snaps in the draw-in groove 3 of pedicle nail main body 1 head, and then expansion sleeve is completely fixed.
During use, rod is inserted in the head semi-circular hole of pedicle nail main body 1, use special equipment to be mentioned by expansion sleeve 2 to put in place, rod is made to be fixed in pedicle nail main body 1, the head outside diameter of pedicle nail main body 1 is greater than the diameter of bore of expansion sleeve 2, therefore expansion sleeve 2 can compress pedicle nail main body 1 being raised in process, and then compresses rod.
Pedicle nail combinative structure after improvement is simple, and cost is low, facilitates operation technique, reduces operating time.
Claims (2)
1. a pedicle nail combination, comprises pedicle nail main body (1), it is characterized in that, the riveted joint of described pedicle nail main body (1) upper end has expansion sleeve (2).
2. pedicle nail combination according to claim 1, it is characterized in that, described expansion sleeve (2) bottom stage just snaps in the draw-in groove (3) of pedicle nail main body (1) head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420344919.8U CN204092163U (en) | 2014-06-26 | 2014-06-26 | Pedicle nail combines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420344919.8U CN204092163U (en) | 2014-06-26 | 2014-06-26 | Pedicle nail combines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204092163U true CN204092163U (en) | 2015-01-14 |
Family
ID=52260635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420344919.8U Active CN204092163U (en) | 2014-06-26 | 2014-06-26 | Pedicle nail combines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204092163U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109394323A (en) * | 2018-12-25 | 2019-03-01 | 上海斯潘威生物技术有限公司 | A kind of self-locking Universal screw nail structure for internal fixation of spine |
-
2014
- 2014-06-26 CN CN201420344919.8U patent/CN204092163U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109394323A (en) * | 2018-12-25 | 2019-03-01 | 上海斯潘威生物技术有限公司 | A kind of self-locking Universal screw nail structure for internal fixation of spine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |