You would not change tires of your car without first correcting wheel balance and alignment on a computerized machine; then why would you change your joint without doing the same?

In Mako Robotic Joint replacement, before your surgery, CT scan of your hip or knee is analyzed by computer to determine best size and alignment of your new joint. After trying and testing your surgery virtually on the computer, the final data is fed to the Robot to reproduce it in real life without any error. And the best part is, these additional steps do not cost you anything!