What is hip arthroplasty?

In hip replacement surgery, your doctor replaces the weight-bearing surfaces of bone and cartilage with artificial parts made of metal and plastic. The damaged femoral head is removed and replaced with a metal stem that is placed into the hollow center of the femur. A metal or ceramic ball is placed on the upper part of the stem, replacing the damaged femoral head. The damaged cartilage surface of the socket (acetabulum) is removed and replaced with a metal socket. A plastic, ceramic or metal spacer is inserted between the new ball and the socket to allow for a gliding surface. The parts of the artificial joint are designed to fit together and move smoothly against each other, taking away the pain of bone rubbing against bone.
Greenville Health System
Administration
Hip arthroplasty is the medical term for total hip replacement. In this operation, the damaged, painful hip joint is completely removed and replaced with an artificial joint (implant). Hip arthroplasty relieves the pain from hip osteoarthritis and restores a better range of motion. Most people are able to return fully to their daily activities after a total hip replacement.
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Michael J. Bronson, MD
Orthopedic Surgery
Hip arthroplasty is better know as hip replacement. This is done for arthritis which has progressed to the point where a patient is having severe pain and finds their daily activities compromised. In these situations we replace the hip with an artificial hip which restores function, eliminates pain and return the patient to an active life style.

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