Computer assisted accelerometer guided total knee arthroplasty, a surgical technique in total knee replacement, at the University of Washington, Department of Orthopaedics and Sports Medicine.
Recent advancements in technology have applied accelerometers to assist in precise positioning of these cutting jigs. Instead of relying on local anatomic landmarks, the center of rotation of the hip and ankle are captured by the accelerometer so that center of the knee joint is placed in line with this axis. This can lead to a more accurately aligned total knee replacement.
Downstream effects of improved cutting jig, and therefore implant position, may include improved survivorship of the total knee components, improved post-operative pain, easier return to function, and improved range of motion.
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