Joint-Saving Knee Surgery

http://www.youtube.com/watch?v=kAyHhcGl8Js

For many of us, wear and tear arthritis is an inevitable part of aging. Thousands of people have knee pain related to arthritis, and many go on to have knee replacements. But for younger patients, doctors at Mayo Clinic have another option. They're using high-tech computers to realign knee joints and prevent the need of a total knee replacement.