发明名称 |
Intervertebral spacer device utilizing a belleville washer having radially extending grooves |
摘要 |
An intervertebral spacer device having a pair of opposing plates for seating against opposing vertebral bone surfaces, coupled to one another by a convex element mounted to one of the plates and maintained against the other plate by a retaining wall and a retaining ring.
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申请公布号 |
US2004172136(A1) |
申请公布日期 |
2004.09.02 |
申请号 |
US20040781021 |
申请日期 |
2004.02.18 |
申请人 |
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发明人 |
RALPH JAMES D.;TATAR STEPHEN |
分类号 |
A61F2/00;A61F2/02;A61F2/30;A61F2/44;(IPC1-7):A61B17/58 |
主分类号 |
A61F2/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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