Patent ID: 6890357

Claim:
Elbow prosthesis comprising a humeral component, forming a first articulating surface, and an ulnar component forming a second articulating surface adapted to be disposed around a part of said first articulating surface and to pivot about a longitudinal axis of said first articulating surface, said ulnar component being provided with means for mounting a locking element which forms a third articulating surface extending said second articulating surface and adapted likewise to be disposed around a part of said first articulating surface, wherein said mounting means comprise guiding means adapted to cooperate with complementary means provided on said locking element in order to guide said element in translation with respect to said ulnar component, up to a position where blocking means provided respectively on said locking element and on said ulnar component may be employed to immobilize said locking element on said ulnar component, said blocking means being able to be employed only in this position.