Xun‐Zi Cai

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About

Xun-Zi Cai is a pioneering orthopedic surgeon whose research focuses on advancing robotic-assisted joint replacement surgery, particularly for complex anatomical cases. His most notable contribution is demonstrating the feasibility and precision of MAKO robotic-assisted total hip replacement (THR) in patients with fused hips—a challenging condition traditionally considered unsuitable for robotic techniques. In his landmark 2022 study, Cai successfully performed MAKO THR on three hip-fused patients, achieving exceptional accuracy in prosthesis implantation despite severely distorted anatomy. This work, cited 5 times, represents a significant breakthrough in expanding robotic surgery applications to previously inoperable or high-risk cases. Cai’s research bridges the gap between standard robotic arthroplasty and complex revision or deformity scenarios, offering new hope for patients with ankylosed hips who would otherwise face limited surgical options. His meticulous methodology and innovative approach have established him as a leader in the niche field of robotic hip surgery for non-standard anatomies. By pushing the boundaries of what robotic systems can achieve, Cai continues to influence surgical protocols and inspire further research into computer-assisted orthopedic interventions for the most challenging patient populations.