Joint Replacement Surgery in Dombivli Hip Replacement Surgery is an operation used to replace the damaged ball-and-socket with new and durable artificial synthetic parts that mimic the ball-and-socket. Sometimes, either the socket of the hip or the thighbone is injured or becomes diseased. This can result in pain, trouble with walking, or difficulty with everyday tasks. You may have already tried pain relief methods such as medications, physical therapy, supports, or braces. If the pain doesn’t subside, your doctor may recommend hip replacement surgery.