Patent ID: 8690952

Claim:
A shoulder prosthesis comprising: an articulation socket and a condyle that co-operates with the articulation socket and with a scapula-side base plate in the manner of a clamping connection, the condyle being fitted to the base plate by a receptacle formed on the condyle and which can be anchored to a Cavitas Glenoidalis of a scapula by two pegs integrally formed with the base plate, wherein the base plate can be anchored to the Cavitas Glenoidalis by first or second anchoring screws received in first or second sleeves provided on the base plate, the first and second sleeves being symmetrically arranged about a straight connecting line between the two pegs, wherein a third sleeve is configured to guide a third anchoring screw in an angularly stable manner in which said third anchoring screw is laterally splayed toward an upper side of the base plate, and the third sleeve includes a screw thread that forms a screw connection between the base plate and said third anchoring screw, the prosthesis further comprising a groove on the condyle that co-operates with a tongue formed on the base plate, wherein the third sleeve is formed on the base plate in the region of the tongue.