Total Hip Replacement

Content Contributor

Evolution of Total Hip Replacement

Joint replacement surgeries have been performed for hundreds of years and techniques as well as component technologies and manufacturing techniques continue to evolve. Currently the most common material used for hip replacement implants are various metal alloys to include titanium, cobalt-chrome, and stainless steel as well as high grade plastics known as high molecular weight polyethylene or simply “poly”.

Most systems consist of three parts, the femoral component which replaces the native femoral head and neck, the acetabular component which replaces the acetabulum or “socket” portion of the ball and socket hip joint, and the poly which rests between these two component and acts as the new cartilage or bearing surface. Many different companies produce components used in total hip replacement and all of the currently used implants have been extensively studied and approved to be safe for use by the Food and Drug Administration.

Regardless of the implant chosen by the surgeon, due to the improvements in technology and material properties throughout the history of total joint procedures, current implants are the best that we have ever had and demonstrate improved wear rates, longer survivorship, higher success rates, more anatomic designs, and decreased need for revision surgery due to wear.

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