 Total hip replacement THR is a highly effective procedure in relieving pain and restoring function. Many different implants can be used in artificial hip joints. Hydroxyapatiteceramic HAC coating has become a well established The JRI Furlong HAC femoral stem is one such implant with good long term survivorship. The femoral implant has been used since 1985 and published findings have shown a 97.4 survivorship at a mean of 17 years follow up in patients. The Furlong Evolution design is based on the tried and tested Furlong HAC but with some modifications. 