Osseous anchoring system for acetabular cavity, has shell with circumferential sectors in form of clip or discontinuous edge, and cup forming insert with continuous flange and circumferential sectors

摘要

The system has a shell (MB) with a series of circumferential sectors in the form of clip or discontinuous edge with a diameter lower than diameter of circumferential sectors of groove. A cup forming insert (IN) has a continuous flange towards outside and circumferential sectors of discontinuous ledge detached from the flange. The insert is formed with the last of the groove sectors.