An exemplary acetabular cup prosthesis insertion and removal assembly includes a bayonet coupler that has fingers for extending into recesses of an acetabular cup to hold the cup onto the coupler. A holder-driver member is secured to the bayonet coupler, and has an enlarged head for receiving impacts....http://www.google.ca/patents/US6063124?utm_source=gb-gplus-sharePatent US6063124 - Acetabular cup prosthesis insertion and removal assembly and technique
