DR.C.LENIN is the chief orthopaedic surgeon and Managing Director of DR.LENIN’S ORTHOINDE HOSPITAL, CHENNAI. He noticed after open procedures, the joints took months and years to recover and full functional recovery was always questionable. Further more many sports personnel lost their carrier. At that point of time, key hole surgeries were well established in abdominal surgery but not in orthopaedics. Hip replacement was a common procedure but knee and shoulder replacements were not.