What are joint replacement implants?

Joint replacement implants are artificial joints that replace natural joints damaged by osteoarthritis. Replacement joints are usually made from very strong, durable materials such as titanium and polyethylene. They're designed to last for many years. Joint replacement implants can be used to replace knees, hips, elbows, shoulders, wrists, and even fingers.
The contents of this website are for informational purposes only and are not intended to be a substitute for professional medical advice, diagnosis, or treatment. Nor does the contents of this website constitute the establishment of a physician patient or therapeutic relationship. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.

Joint replacement implants are the materials that replace a damaged joint surface.  In the knee, metal caps are attached to the ends of the bone and a hard plastic piece between them acts as new cartilage. In a hip, a metal shell is placed inside the hip socket with a plastic liner.  A stem is placed inside the top of the thigh bone (femur) with a metal or ceramic ball attached on top.  The ball and plastic liner becomes the new ball and socket joint of the hip.