| 摘要 |
A joint prosthesis system has two metal implant components and a bearing. One of the metal implant components has an articulation surface for articulation with the bearing. The other metal implant component has a mounting surface for supporting the bearing. An extension extends out from a junction at the bone-engaging surface of one of the metal components to an exposed end. The extension has a thickness at the junction and comprises porous metal across the entire thickness of the extension at the junction.
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