| 摘要 |
<p>A prosthetic patellar component has a fixation part (130) adapted for securement to the bone of the patella, and an articulation part (230) defining a surface to assume the role of the femoral facet of the patella, with these parts being mutually engageable in such a manner as to allow rotation between them about a medio-lateral axis relative to the defined surface.</p> |
