Abstract: Objective To observe the effect of femoral retrograde interlocking intramedullary nails on distal femoral fractures.Methods21 patients with distal femoral fractures who were treated with open reposition and femoral retrograde interlocking intramedullary nails were followed-up.Results18 patients were followed up.All the cases obtained bony union and good functional recovety.No knee pain,lameness or stiff knee joint was found.ConclusionFemoral retrograde interlocking intraInedullary nails result in firm fixation,fast functional recovery, and less complications in treatment of distal femoral fractures.

Key words: femoral fracture, internal fixation, intramedullary, bone nails