Hip prosthesis with femoral component and cotyloid cup has axis of femoral shank neck and head passing through anatomical axis of rotation

摘要

The hip prosthesis, comprising a femoral shank (1) and a cotyloid cup, has a head and neck component fitted to a cavity (4) in the shank with its axis (5) in line with the anatomical axis of rotation, the cavity being offset from the median edge of the shank.