Treatment of Femoral Head Osteonecrosis (Stages 2B, 3 Ficat) Through Open Direct Core Decompression by Allograft Impaction and Light Bulb Technique.

Background: Femoral head avascular necrosis is the cause of paralyzing status of youth population. Initial diagnosis is the main element in treating the disease. Bone grafting and core decompression are the approved cures at the early steps of the disease.