Calcar collar instrumentation

摘要

Calcar collar instrumentation including a calcar collar and a proximal femoral stem. The calcar collar includes a foot with a foot member having a face surface; a back attached to the foot and including a back member having a face surface arranged at an angle to the face surface of the foot member; and attachment structure for removably and adjustably attaching the foot and the back to the proximal femoral stem. The proximal femoral stem includes one or more necks for allowing the calcar collar to be snapped thereto.