BASIC SOFTWARE ASSUMPTIONS AND TECHNICAL POINTS IN COMPUTER AIDED KNEE ARTHROPLASTY

Abstract

Computer aided joint replacement surgery is being used increasingly. It has found its most common use in the total knee replacement arthroplasty. Although the literature has proven its accuracy in the alignment of the components, we still await the long term benefits in terms of patient outcome and longevity of the prosthesis.

The parameters of the alignment are created and fed to the computers, although most of these are based on long term wisdom and on the historical observations rather than on hard scientific studies as to the ideal positioning of the implants for each specific individual. It is therefore important that while using the computer guidance we understand what are the technical assumptions and points based on which the computer is guiding us. A presentation of these will be done mainly based on Stryker knee navigation system.