What is Hip Prosthesis? Types of Hip Prostheses
Hip Prosthesis, Hip Replacement, Types of Hip Prostheses, Top Manufacturers
A hip prosthesis is a device that replaces a damaged hip joint. The hip consists of a convex femoral head inserted into a concave acetabulum within the pelvis, cushioned by articular cartilage within a synovial joint capsule. A hip prosthesis is used during hip replacement which is a surgical procedure in which a damaged or worn hip joint is replaced with an artificial joint, or prosthesis. The procedure is typically performed to alleviate pain and improve mobility in individuals with hip arthritis or a hip fracture. The prosthesis typically consists of a metal or ceramic ball that replaces the head of the thigh bone (femur) and a metal or plastic socket that replaces the acetabulum (socket) of the pelvis. The ball and socket are usually made of metal or ceramic.
The surgery usually takes 2-3 hours and the recovery process may take a few weeks to several months. Physical therapy is often required to regain strength and range of motion.
There are several types of hip replacement procedures, each with their own advantages and disadvantages. The most common types include:
Total Hip Replacement (THR): This is the most common type of hip replacement, in which both the femoral head and the acetabulum are replaced with artificial components.
Hemiarthroplasty: This is a partial hip replacement, in which only the femoral head is replaced. This procedure is typically used to treat fractures of the femoral neck.
Resurfacing arthroplasty: In this procedure, the femoral head is not removed, but instead, it's surface is reshaped and covered with a metal cap. This procedure is less invasive and the recovery is faster than the Total Hip Replacement.
Ceramic-on-ceramic or metal-on-metal hip replacements: These types of hip prostheses use either a ceramic ball and socket or a metal ball and socket, which may have advantages for certain patients, such as being less likely to wear out quickly.
Customized Hip Prosthesis: This type of prosthesis is designed and manufactured based on the patient's specific anatomy, usually using 3D printing technology.
The choice of the type of prosthesis will depend on the patient's condition and the surgeon's recommendation.
There are several major manufacturers of hip prostheses worldwide. Some of the top manufacturers include:
Johnson & Johnson: This company's DePuy Synthes division is a leading manufacturer of hip prostheses, offering a wide range of products including traditional and highly-crosslinked polyethylene, ceramic, and metal-on-metal options.
Zimmer Biomet: This company offers a wide range of hip prostheses, including traditional metal-on-polyethylene, ceramic-on-polyethylene, and ceramic-on-ceramic options.
Stryker: This company offers a variety of hip prostheses, including traditional metal-on-polyethylene, ceramic-on-polyethylene, and ceramic-on-ceramic options.
Smith & Nephew: This company offers a range of hip prostheses, including traditional metal-on-polyethylene and ceramic-on-polyethylene options, as well as a specialized "bipolar" option.
Biomet: This company offers a range of hip prostheses, including traditional metal-on-polyethylene, ceramic-on-polyethylene, and ceramic-on-ceramic options.
Wright Medical: This company offers a range of hip prostheses, including traditional metal-on-polyethylene, ceramic-on-polyethylene, and ceramic-on-ceramic options, as well as a specialized "Conformis" option which is customized to the patient's anatomy.
Please note that this list is not exhaustive and there are many other manufacturers of hip prostheses worldwide.
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