Max Robotics — Global Service Robot Directory + US Certification

About

Dr. Kensuke Otani is a leading colorectal surgeon whose research centers on advancing minimally invasive techniques for rectal cancer and ulcerative colitis. His most impactful work investigates the **learning curve for robotic rectal surgery with lateral lymph node dissection**, a complex procedure where precision is critical. In his 2018 study (29 citations), Dr. Otani employed cumulative sum and multiple regression analyses to define the number of cases required for proficiency, providing a crucial roadmap for surgical training and adoption. He has also championed the use of **real-time navigation via intraoperative ultrasonography** to accurately identify tumor edges during rectal cancer resection, a technique that enhances surgical precision and oncologic outcomes. Beyond oncology, Dr. Otani has explored **robot-assisted restorative proctocolectomy with ileal pouch–anal anastomosis** for ulcerative colitis, demonstrating how robotic systems can overcome the limitations of conventional laparoscopy. With a body of work that systematically addresses both the technical challenges and educational needs of robotic colorectal surgery, Dr. Otani is helping to define best practices and expand the safe application of robotic platforms in complex pelvic surgery.