Yasuhiro Fukai

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About

Yasuhiro Fukai is a leading orthopedic surgeon and researcher whose work centers on advancing total knee arthroplasty (TKA) through precision alignment techniques. His primary research areas include kinematic alignment, computer-assisted surgery, and implant survivorship in knee replacement. Fukai’s major contribution is the development and validation of caliper-based restricted kinematic alignment (rKA-TKA), a technique that avoids extreme mechanical axis deviations linked to implant failure, while eliminating the need for expensive computer-aided devices like navigation or robotics. His most-cited paper (2024, 3 citations) demonstrates that this simplified, accessible method achieves comparable alignment accuracy to CAS, broadening the applicability of kinematic TKA in standard surgical settings. This work has significant implications for reducing healthcare costs and improving outcomes in joint arthroplasty. Fukai’s research has been recognized for bridging the gap between high-tech precision tools and practical, reproducible surgical techniques. His findings are increasingly cited by peers seeking to optimize alignment protocols without relying on costly technology, positioning him as a pragmatic innovator in modern knee replacement surgery.