发明授权
- 专利标题： Hip joint prosthesis having a zirconia head and a ceramic cup
- 专利标题（中）： 具有氧化锆头和陶瓷杯的髋关节假体
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申请号： US698635申请日： 1996-08-16
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公开(公告)号： US5871547A公开(公告)日： 1999-02-16
- 发明人: Marc Abouaf , Edward Lilley , Daniel Urffer , Bernard Cales , Oh-Hun Kwon , Yves Stefani
- 申请人： Marc Abouaf , Edward Lilley , Daniel Urffer , Bernard Cales , Oh-Hun Kwon , Yves Stefani
- 申请人地址： MA Worcester
- 专利权人： Saint-Gobain/Norton Industrial Ceramics Corp.
- 当前专利权人： Saint-Gobain/Norton Industrial Ceramics Corp.
- 当前专利权人地址： MA Worcester
- 主分类号： A61F2/00
- IPC分类号： A61F2/00 ; A61F2/30 ; A61F2/32 ; A61F2/34 ; A61F2/36 ; A61F2/38
摘要：
This invention relates to a biojoint prosthesis comprising:a) a prosthetic comprising a first component having an outer surface comprising at least 90 mol% zirconia, andb) a second component having a surface shaped to receive the outer surface of the first component,wherein the outer surface of the first component is received on the surface of the second component, andwherein a) at least a portion of the surface of the second component receiving the first component comprises a ceramic having a surface roughness of no more than 100 nm, and b) the outer surface of the first component has a surface roughness of no more than 100 nm.
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