Archelis (アルケリス arukerisu, from arukeru isu 歩ける椅子, "walkable chair" in Japanese) is a wearable chair designed and manufactured by Yokohama-based mold factory, Nitto in association with Japan Polymer Technology, Chiba University's Center for Frontier Medical Engineering and Hiroaki Nishimura Design. The purpose of the chair is to aid industry workers and medical surgeons who had to work for long hours standing. As of February 2016, it is specially designed for medical surgeons, allowing them to sit during physically demanding surgical operations which reduces fatigue in surgeons.
