Artificial Hip Joint Materials

Because of its durability and performance metal on polyethylene has been the leading artificial hip component material chosen by surgeons since hip replacement surgeries were first been performed.

Artificial hip joint materials.

All implants shed debris as they wear. When a hip replacement surgery is performed a damaged worn out hip joint is replaced with an artificial implant. Sometimes the pins that held the artificial joint to other bones worked loose and required further surgery. The most popular artificial hip joint is a bearing couple composed of a cross linked polyethylene clpe acetabular cup cobalt chromium molybdenum co cr mo alloy and toughened zirconia or alumina ceramic femoral head.

The artificial implant is then positioned in the bone. The table shows below some of the mechanical properties of the most frequent used materials in this modern world. A typical hip replacement implant recreates the ball and socket of the normal hip joint with an artificial ball and an artificial socket. What materials are used in a hip replacement.

Artificial hip during hip replacement a surgeon removes the damaged sections of your hip joint and replaces them with parts usually constructed of metal ceramic and very hard plastic. The hip joint is a ball and socket joint and removal of the hip joint requires the surgeon to remove the ball and reshape the socket. Both the socket and the ball are made of stainless steel titanium chromium cobalt or some combination of these. The many different materials used in hip replacement devices hip replacement devices break into a few big categories.

The materials used in the artificial implant may vary but they often include metal plastic or ceramic. In view of these properties metals ceramics and polymers are the most used materials in the making of implants for artificial hip joints. Metals have good fracture resistance and are stong enough to be used in making of hip joints. Artificial replacement parts can be made of strong plastic metal or ceramic.

Hip replacement was once impossible because although joints could easily be produced in a laboratory the human body rejected the materials. The size of your femur and pelvis any deformities or abnormalities of your hip joint. In most cases the femoral stem component is built from titanium titanium cobalt stainless steel cobalt chromium alloys or a titanium and cobalt mixed metal. It is also the least expensive bearing.