India, April 25 -- There is little doubt that medical devices such as cardiac stents or implants for damaged bones and cosmetic improvements have had an impact on people's lives. Cardiac stents and their ease of implantation have made major operations for blocked arteries a thing of past. Hip and knee implants have allowed millions of people with degenerative bone diseases to walk without pain again. Cosmetic implants have been around for a few decades and have improved the self-esteem of millions. However, a rash of cases in India and across the world have shaken the faith of people in implants and increased the calls for regulation in this sector. The Government has taken some steps in response. For example, the move to dramatically red...