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. 2008 Jan 10;466(2):389–395. doi: 10.1007/s11999-007-0047-9

Fig. 1.

Fig. 1

The cemented Medial Cup® DMC consists of a steel inox polished sphericocylindrical cemented metal cup and a PE cup insert. Flexion occurs mainly in the small inner articulation. Abduction/adduction and rotation start in the small articulation (up to 25°) and continue up to 54° in the large peripheral articulation between the PE cup and the metallic socket. The PE cup (≥ 8-mm thickness) is not constrained in the metallic socket (no retentive rim), but the PE inner articulation is retentive. The femoral head, usually metallic (22 mm), is clipped inside the PE cup intraoperatively.