| abstract |
The prosthetic assembly comprising a cup or ring (1) and an impactor device (2) equipped with arrangements (2a) capable of cooperating with internal arrangements (1b) distributed over the circumference of the cup (1), with capacity d indexing and angular blocking, is remarkable in that the arrangements (1b) consist of a notch (1b1) very substantially semicircular, formed from the external peripheral edge of the cavity (1a) of the cup, the bottom of said notch (1b1) being extended on at least one side by a notch (1b2). |