An improved asymmetric femoral hip stem component for use in cementless hip replacement procedures is described. The stem comprises a proximal region having a novel three-dimensional configuration to allow for better fit and stability of the stem within the femoral intramedullary canal with minimal...http://www.google.co.uk/patents/US5776204?utm_source=gb-gplus-sharePatent US5776204 - Asymmetric hip stem
