^○Taichi Shimizu, Yuichi Makino, Kansai Okadome, Kohji Masuda (Graduate School of Bio-Application and Systems Engineering Tokyo University of Agriculture and Technology, Tokyo, Japan)

^○Hiroki Matsuzaki, Hiro Hasegawa, Nobuyoshi Takeshita, Masaaki Ito (National Cancer Center Hospital East, NEXT Medical Device Innovation Center Surgical Device Innovation Office)

^○Sayaka Tsuruda¹, Kenichi Shinozuka¹, Yusuke Matsunobu¹, Toshiya Kamiyama², Yuki Tanaka², Kouhei Ebe², Hiroaki Nakanuma³, Atsuro Fujinaga³, Yuichi Endo³, Tsuyoshi Etoh³, Masafumi Inomata³, Tatsushi Tokuyasu¹ (1.Department of Information and Systems Engineering, Fukuoka Institute of Technology, Fukuoka, Japan, 2.Olympus Corporation, Tokyo, Japan, 3.Faculty of Medicine, Oita University, Oita, Japan)

^○Misako Kimura¹, Kaito Takeshita¹, Yusuke Matsunobu¹, Ken'ichi Shinozuka¹, Hiroaki Nakanuma², Atsuro Fujinaga², Yuichi Endo², Tsuyoshi Etoh², Masafumi Inomata², Tatsushi Tokuyasu¹ (1.Department of Information and Systems Engineering, Graduate School of Engineering, Fukuoka Institute of Technology, Fukuoka, Japan, 2.Department of Gastroenterological and Pediatric Surgery, Oita University Faculty of Medicine, Oita, Japan)