Neck of Prosthesis
The neck of prosthesis is a component of a prosthetic hip. An artificial or prosthetic hip is often used for fractures or severe arthritis. The acetabulum, a cup-shaped depression at the base of the hipbone (into which the ball-shaped head of the femur fits, forming a ball and socket joint), is drilled out and replaced with an artificial socket and the femoral prosthesis is similar in design to the femur with a head, a neck and a femoral component. The prosthesis is made of a metal alloy, usually titanium. Both prosthetic parts are held in place by a porous surface material allowing growth of bone into the prosthesis, or sometimes, by a special glue. It is not uncommon for an artificial hip to last up to fifteen years or longer.
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