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About

Tomoyuki Matsumoto is a leading orthopedic surgeon and researcher whose work is transforming joint replacement surgery through robotics and computer navigation. His primary research focuses on improving the precision and outcomes of total hip arthroplasty (THA) and total knee arthroplasty (TKA). Matsumoto has made major contributions to the field by demonstrating that robotic-arm assisted THA achieves highly accurate cup positioning, even in complex cases like developmental dysplasia of the hip (34 citations), and by identifying key factors such as surgical approach and pelvic tilt that influence implant accuracy (28 citations). His comparative studies show that robotic techniques can lead to superior early clinical recovery over image-based navigation (28 citations) and reduce unnecessary bone resection in TKA without compromising joint function. Notably, he developed a novel robotic tensor device for measuring soft tissue balance during knee replacement, addressing a critical challenge in achieving optimal ligament tension. With over 100 citations across his most influential papers, Matsumoto’s work provides essential evidence guiding the adoption of robotic assistance in arthroplasty, ultimately helping surgeons deliver more consistent, patient-specific outcomes.