A modular orthopedic prosthesis has a body with a generally triangular cross-section near one end, allowing its angular corners to bite or incise into the surrounding bone cavity for rotational stability. A stem, which may be either unitary or modular in structure, is received within a through-bore of...http://www.google.es/patents/US20020004685?utm_source=gb-gplus-sharePatente US20020004685 - MODULAR PROSTHESIS AND CONNECTOR THEREFOR
Número de solicitud: 09/040,700 Número de publicación: US 2002/0004685 A1 Fecha de presentación: 18 Mar 1998 Patente emitida: US6428578 ( Fecha de emisión 6 Ago 2002)