Originally Posted by
Larry Frank
Interesting comments ! My first hip replacement had a plastic cup with ceramic ball. In seven years, it had 6 mm of slop in the joint. To replace it, they just popped out the cup, pulled the ball off the stub and replaced them with metal versions....cobalt chrome. Thankfully, no wear or problems.
After I had my initial hip replacement, I toured the place they made them. You do not really want to see the instruments they use for the surgery. One thing that fascinated me is how they align everything and get the right length.