发明名称 |
DUAL-GEOMETRY ACETABULAR CUP COMPONENT AND METHOD OF IMPLANT |
摘要 |
An acetabular cup has a shell component with an outer surface including a frusto-conical surface portion and a spherical surface portion and an acetabulum is prepared with an inner surface including a frusto-conical surface portion and a spherical surface portion, the spherical surface portions having essentially the same radius and the frusto-conical surface portions having relative dimensions such that upon nesting of the spherical surface portions in contiguous relationship, the frusto-conical portions engage one another in an interference fit to secure the shell component within the prepared acetabulum. |
申请公布号 |
CA1283754(C) |
申请公布日期 |
1991.05.07 |
申请号 |
CA19870527026 |
申请日期 |
1987.01.09 |
申请人 |
OSTEONICS CORP. |
发明人 |
AVERILL, ROBERT G.;KHOWAYLO, ALEX |
分类号 |
A61F2/00;A61F2/30;A61F2/32;A61F2/34 |
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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