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How to Do Robotic-Arm Assisted Total Knee Arthroplasty: Improving Soft Tissue Protection and Alignment with a Low Learning Curve

February 10, 2018

Contributors: Anton Khlopas, MD; Arthur L Malkani, MD; Michael A Mont, MD; Assem Sultan, MD; Robert C Marchand, MD; Robert C Marchand, MD

This video demonstrates robot-assisted total knee arthroplasty (TKA), which allows TKA to be performed without the use of jigs, cutting guides, or intramedullary instruments; uses live, three-dimensional preoperative planning software to maneuver the femoral and tibial components in the coronal, axial, and sagittal planes, which aids in achieving desired limb alignment before bone cuts are made; and aids in achieving balanced medial and lateral flexion and extension gaps (within 1 mm) to improve overall outcomes. The video presents the case study of a patient who underwent robot-assisted TKA to demonstrate the advantage of this technology in providing real-time intraoperative information, showing how virtual maneuvering of components helps minimize instability and malalignment and achieve desired goals.

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