Abstract
The OrthoPilot computerised system assists surgeons in the implantation of total knee prostheses. The technique uses a computer to acquire, in the operating room, data on the anatomical axis of the lower limb where the prosthesis is to be implanted. This is accomplished by infrared transmission diodes which relate information on the size of the femur and on the deepest point of the tibial wear and tear. The software processes the data and provides the surgeon with indications for regulating the incision guides, perpendicular to the mechanical axis, for correcting axial deformities, and for correcting the slope of the prosthetic components. In addition, it gives the size of the femoral component, the height of the tibial incision, the femoral extrarotation and a constant control of the varus-valgus correction and of the pro- and recurvatum of the limb, in both extending and flexing movements.
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