A modular hip prosthesis can be custom fitted to a particular patient by a surgeon prior to surgical insertion. The prosthesis features a body having a neck portion for carrying a rounded head element, a transitional mid-section of the prosthesis body includes generally rectangular and generally rounded...http://www.google.fr/patents/US4995883?utm_source=gb-gplus-shareBrevet US4995883 - Modular hip prosthesis
