Total hip arthroplasty | 合法醫療器材資訊網

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Total hip arthroplasty (THA), also known as total hip replacement (THR), is an orthopedic procedure that involves the surgical excision of the femoral head and cartilage of the acetabulum and replacement of the joint with articulating femoral and acetabular components. It is a commonly performed procedure usually with very good results and return to function.

Most common surgical approach for total hip arthroplasty is a posterior approach to the hip. Skin incision is made 10-15 cm centered on the posterior aspect of the greater trochanter. Dissection includes splitting fascia lata and gluteus maximus in line with its fibers. This will uncover the short external rotators, which are dissected off the femur and retracted back over the sciatic nerve to protect the nerve throughout the operation. A capsulotomy is then performed and the hip dislocated. ...