Device for separating cup bottom frame from acetabular prosthesis consists of hemispherical crosspiece with number of identical thickness arms equal to number of frame arms and fitted with anchoring system to frame

摘要

The device for avoiding all contact between the acetabular cup bottom frame and the prosthesis consists of a hemispherical crosspiece (3) having a number of arms (4) equal to the number of arms of the frame. Each arm has an identical thickness. The crosspiece is fitted with a specific anchoring system (6) for fixing the crosspiece to the frame.