An intramedullary intertrochanteric fracture fixation appliance has an intramedullary rod having an angulated opening to receive a femoral neck screw. The femoral neck screw has a threaded portion at its proximal end of predetermined diameter. A locking element is provided which acts between the neck...http://www.google.de/patents/US5454813?utm_source=gb-gplus-sharePatent US5454813 - Intramedullary intertrochanteric fracture fixation appliance
