A unitary acetabular cup prosthesis for a deficient acetabulum of a hip bone having a cup portion and a pair of adjacent screw retaining members extending from the cup and oriented in a cooperative with one another. A second pair of screw retaining members are preferably provided, with the first and...http://www.google.com/patents/US7918896?utm_source=gb-gplus-sharePatent US7918896 - Unitary acetabular cup prosthesis with extension for deficient acetabulum
