RIMLESS ENDOPROSTHESIS FOR A HIP JOINT CUP

摘要

1. An edgeless endoprosthesis for an acetabulum replacement (2) having an at least substantially hemispherical outside surface from which at least one fixing nail (6) projects, the nail axis (5) forming an acute angle with the axis of rotational symmetry of the replacement (2), characterised in that fins or ridges (7) or the like project from the root zone of the nail (6) and have inclined edges (8) in the form of cutting edges.