Patent ID: 6418935
Filing Date: 2002-07-16
Classification: A61B

Abstract:
A surgical method to treat osteonecrosis of the femoral head, the method comprising:surgically detaching an iliac bone block attached with a portion of Gluteus medius muscle; surgically removing the necrotic portion of the femoral head through a window made in the femoral head and neck junction; surgically grafting the iliac bone block attached with a portion of Gluteus medius muscle into the femoral head; surgically reconstructing the donor site with a bone block or bone substitutes; detaching the iliac bone block from the donor site with a portion of Gluteus medius muscle; grafting the portion of the bone block that is not attached with the muscle into the femoral head; and placing the other portion of the bone block that is attached with the muscle on the femoral neck portion in order to preserve vascularity through the muscle into the femoral head.