Internal fixing system for anterior cervical vertebrae |
Title： |
| Internal fixing system for anterior cervical vertebrae |
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Application Number： |
200410027452 |
Application Date： |
2004/05/31 |
Announcement Date： |
2005/12/07 |
Pub. Date： |
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Publication Number： |
1704026 |
Announcement Number： |
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Grant Date： |
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Granted Pub. Date： |
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ApplicationType： |
Invention |
State/Country： |
94[China|shenzhen] |
IPC： |
A61B 17/68, A61B 17/70 |
Applicant(s)： |
Research Institute of Tsinghua University in Shenzhen |
Inventor(s)： |
Liu Weiqiang, Lu Jing, Shi Changhong, Wang Debao, Wang Jinsong, Yan Shugang |
Key Words： |
Internal fixing system, anterior cervical vertebrae |
Abstract： |
The invention discloses a new cervical vertebra forepart internal fixation system which comprises solid plate 1 with hole-and-slot which is used to fix solid plate 1 and bone screw 3 of intevetebral joint, cover plate 2 whose overall size is matched with solid plate 1. The said cover plate 2 is adhered to the out surface 18 of solid plate 1. The invention doesn't limit the movement of bone screw at tolerance range of physiological structure, while limits the quit and axis changing of bone screw when the movement of cervical vertebra is oversize the range of physiological structure. |
Claim： |
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Priority： |
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PCT： |
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LegalStatus： |
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