Hip Replacement surgeon in nashik Hip replacement, also called hip arthroplasty, is a surgical procedure to address hip pain. The surgery replaces parts of the hip joint with artificial implants. The hip joint consists of a ball (at the top of the femur, also known as the thigh bone) and a socket (in the pelvis, also known as the hip bone). Hip replacement surgery includes replacement of one or both parts. The goal of the procedure is to allow you to resume daily activities and exercise with less pain.