KOTOBUKI Medical

KOTOBUKI Medical is a Japan-based medical device and surgical simulation company that develops high-fidelity synthetic organs, plant-based tissue models, and procedure training systems for healthcare professionals and industry users. Its core technology is VTT (Versatile Training Tissue), a konjac-based synthetic tissue platform designed to mimic human tissue for cutting, suturing, and use with energy devices. The company sells surgical training models and procedure simulators for applications including endoscopy, laparoscopic surgery, and robotic surgery, and also works on custom/OEM development. KOTOBUKI Medical positions its products as lower-waste, lower-biohazard alternatives to animal or cadaver-based training materials. The company appears to be commercially active and privately held, with operations in Japan and an international-facing website and product catalog.