Hi Doctors, my mother is 59 years old she is having knee pain in both legs from past 8 years her weight is 104 kg, as per the recent digital knee scan in both legs their are gaps in knee joints .she hardly walk due to pain. She get a little relief from daily tablets .orthopedician have suggested to go for knee transplantation we have got information from many friends and relative as well as some doc about the knee surgery materials. Knee implants made of a metallic alloy, cobalt chrome, or of stainless steel wear out in about 15 years, while the new oxinium implants last twice as long is that .a well know orthopediciansuggested johnson.