Kinematic Evaluation of a Multi Compartmental Knee in a Dynamic Simulating Machine

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INTRODUCTION: The MAKO Surgical Rio Robotic Arm utilizes pre-op CT images to plan the optimal positioning of uni-condylar and patella-femoral components in order to achieve normal kinematics for the knee joint, while preserving the cruciate ligaments. We hypothesize that the anatomic matching surfaces and the cruciate retaining design of this MAKO Restoris knee system will replicate normal knee kinematics. Also, it is important to preserve the tracking of the patella for normal knee motion and the preservation of the natural moment arms for mechanical advantage. To investigate these factors, we compared intact knee specimens versus the MAKO knee and the most common TKR designs, Posterior Stabilizing (PS) and Cruciate Retaining (CR), in order to evaluate and compare the kinematics and patella tracking.

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تاریخ انتشار 2011