Internal fixing multi-mechanism system for anterior cervical vertebrae and its production method |
Title： |
| Internal fixing multi-mechanism system for anterior cervical vertebrae and its production method |
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Application Number： |
200410027451 |
Application Date： |
2004/05/31 |
Announcement Date： |
2005/12/07 |
Pub. Date： |
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Publication Number： |
1704027 |
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 17/70, A61B 17/68 |
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, multi-mechanism system, anterior cervical vertebrae, production method |
Abstract： |
The invention discloses a cervical vertebra forepart internal fixation multi-structure system and it's making method 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, which together form doubling plate system; the said solid plate 1 has four step-type screw holes 11 with curved slot which is used to thread bone screw 3; the upper part of step-type screw hole 11 is circular or steel bar with both ends having spherical surface; circular through-hole or bar through-hole with arc ends is posited on the bottom of step-type screw hole 11. |
Claim： |
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Priority： |
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PCT： |
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LegalStatus： |
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