INSERT COTYLOIDIEN POUR PROTHESE TOTALE DE LA HANCHE

摘要

The invention concerns a cotyloid insert comprising a spherical head (2) arranged at one end of a medullary rod, and mounted articulated inside a core, itself mounted articulated inside an acetabular component. The spherical head (2) is made of zircon and the core comprises an inner cup (7) consisting of an alumina cup whereon is locked a polyethylene cup (8) overmoulded on the alumina cup (7). Furthermore, the spherical head (2) is designed to be capable of being freely engaged into the cup (7) and directly and solely retained thereby.