| 摘要 |
This component is of the type comprising a metal cap, in which a cup made of synthetic material is engaged, and it is intended to be positioned in the acetabular cavity by impaction. In this component, the cup (2) is equipped with a fixation stud (5) which, projecting from its convex face, has a tubular shape, and in the wall of which there is formed, starting from its free end, at least one longitudinal slot (7), this stud being equipped with an expansion device (9) which can bring about the increase in the cross-section of its free end. <IMAGE>
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