ortho back pain and knee surgeon in kumaran nagar mukesh ortho care hospital in A hip replacement, or Arthroplasty, is a surgical procedure in which the diseased parts of the hip are removed and replaced with an artificial joint(s). Hip replacement is a type of surgery where a damaged hip joint is replaced with an artificial one. Adults of any age can be considered for a hip replacement, although most are carried out on people between the ages of 60 and 80.