| 摘要 |
PROBLEM TO BE SOLVED: To provide a cup assembly for acetabulum better than the usual type. SOLUTION: The prosthesis device of cups for acetabulum is composed of an out shell 12, a linear 14, and a receptacle of axis 16. Connecting with the linear 14, the receptacle 16 constitutes sub-assembling part of receptacle-linear. On the exterior tapering part, the outer shell 12 has a complementary interior tapering part. The above-mentioned sub-assembling part of receptacle-linear can be fixed to the outer shell 12 by connecting these complementary tapering parts.
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