Patent ID: RE42805

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