| 摘要 |
<p>A bone implant assembly having an implant element whereof a stem portion 1 is for insertion into a bone cavity 6, and wedge means 2, 3 for wedging between a proximal region of the cavity wall and the stem 1. The stem is tapered so that deeper insertion urges the wedge means 2, against the wall. The wedge means may comprise lateral (3) and imedia! (2) wedges. Each may comprise a stem engaging portion 9, 10 with a low-friction surface, and an outer, wall engaging portion 7, 8 having a surface adapted for non-slip engagement, being a high friction surface and/or adapted for ingrowth of bone.</p> |
