Prosthetic cup for hip replacement has metal shell with anchor pins formed of rods with angled tips

摘要

The prosthetic cup for hip replacement has a metal shell (1) of spherical section with anchor pins (3) extending from the top of the cup. Each pin has a prismatic section rod (4) with a point (5) forming a ridge (6) angled to the tip of the point. The cup has an insert (2) of biocompatible material to receive the head of a bone.