METHOD FOR FEMORAL HEAD DEFECT TREATMENT Russian patent published in 2017 - IPC A61B17/56 

FIELD: medicine.

SUBSTANCE: osteotomy of the large trochanter apex is performed. Surgical dislocation of the femoral head is performed from the acetabulum. The cartilaginous cover of the head is dissected along the anterior surface. The periosteum is dissected along the neck axis. The periosteal-chondral flap is peeled off. Longitudinal osteotomy of the lateral part of the head and neck and transverse osteotomy of the lateral part of the neck base are performed. The resulting bone fragment is removed. Spherical shape is provided for the lateral edge of the head. The wound surface of the head and neck is covered with a periosteal-chondral flap. The periosteal-chondral flap is fixed by sutures and screws to the head. The head is inserted into the acetabulum. The large trochanter is transposed. The obtained position of the large trochanter is fixed by screws. An external fixation device is mounted on the pelvic and femoral bones. The obtained position is stabilized and the hip joint is unloaded. Postoperatively, development of passive movements in the hip joint is performed.

EFFECT: method allows to improve spatial relationships in the hip joint, provide the possibility of joint unloading and development in the postoperative period.

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