| 摘要 |
<p>A conservative hip prosthesis is provided which can be introduced entirely from the resected femoral head. The prosthesis includes a femoral head (1), a collar (3) for abutment onto a resected surface of the femoral head and a neck portion (2) for carrying the stem. The stem comprises a barrel (4) which is generally circular or elliptical in section having a distal projection (5) for engagement in the lateral cortex, wherein the portion between the distal projection and the barrel is tapered.</p> |
