Total hip implant consists of total replacement of all components with prosthetic ones. These involve the placement of a metal stem into the hollow centre of thighbone, replacement of actual ball and socket joint, cartilage with a prosthetic ball, socket made up of strong plastic, metal or ceramics.
The surgery is called Articular Surface Replacement (ASR) and ASR hip resurfacing system. A subsidiary of Johnson and Johnson, DePuy International Limited (DePuy), UK had been manufacturing and importing the implants for several years to India.