Cementless acetabular cup

摘要

Radial catch and tie elements (4,5) protrude outwards from the basic body of the socket (1)and possess a truncated cone-shaped cross-section, the flanks are curved between a wider foot (11) and head (12). The surface of the tie elements have inset or raised structures(14)..the center (D) of the radius (R)of the tie elements lie on the horizontal base line (7) of the socket.