Arthroplasty (joint replacement surgery) is a surgical procedure where a surgeon removes part of a damaged or arthritic joint and replaces it with a plastic, metal, or ceramic device, known as a prosthesis. The prosthesis is made to replicate a healthy, normal joint movement.
Knee and hip replacements are the most common types of arthroplasty performed, but surgeons can also perform arthroplasty on other joints too, including the: