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Computer Assisted Preoperative Planning System for Total Knee Replacement

: Müller, W.K.; Bockholt, U.; Voß, G.; Lahmer, A.; Börner, M.

Computer Assisted Orthopaedic Surgery. Proceedings
Pittsburgh, Penn., 2000
Annual North American Program on Computer Assisted Orthopaedic Surgery (CAOS/USA) <4, 2000, Pittsburgh/Penn.>
Fraunhofer IGD ()
computer assisted surgery; Preoperative planning; Total knee replacement

Total knee replacement (TKR) is a common orthopaedic surgical intervention and includes the removal of bone sections from the end of the femur and the top of the tibia for replacement by prosthetic components. Pain relief and functional improvement are predictable clinical results. But the accuracy of the alignment affects the surgical outcome and the longevity of the prosthesis. Hence, current total knee implantation systems attempt to align the knee joint in the mechanical axis for placement of the total knee
components. These approaches use templates and plain radiographs for preoperative planning and alignment devices for bone cuts. To overcome the inherent inaccuracy of the presently used systems a computer-assisted planning system has been developed delivering the necessary control data for the intraoperative surgical robot system.