发明名称 |
A FEMORAL STEM FOR PERMANENT IMPLANTATION INTO THE NATURAL FEMUR |
摘要 |
An orthopedic device (10), especially a hip joint prosthesis (10) comprising a stem and a spherical head, is formed from a composite material (42, 44) which is reinforced with continuous filament or carbon fibers (26) to provide the material with high flexural strength, hydrolytic stability and a medical grade quality. The stem and spherical head can be formed from a composite block (54). In the alternative, the stem alone can be formed from the block and a head of another material attached to one end of the stem. Sheets of carbon fibers held together by a polymer are rolled in a spiral configuration about an axial direction to form the stem and then molded under heat and pressure. The resulting composite is then machined to form the orthopedic device. <IMAGE> |
申请公布号 |
EP0432141(A3) |
申请公布日期 |
1991.08.21 |
申请号 |
EP19910102732 |
申请日期 |
1985.03.29 |
申请人 |
OSTEONICS BIOMATERIALS, INC. |
发明人 |
AINSWORTH, ROBERT D.;DEVANATHAN, THIRUMALAI N.C.;LIN, STEVE T.C. |
分类号 |
A61L26/00;A61F2/00;A61F2/28;A61F2/30;A61F2/36;A61L27/00;A61L27/18;A61L27/44 |
主分类号 |
A61L26/00 |
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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