Development of Robotic Rollators and Walking Trolleys in Japan

In Japan, several types of robotic rollators and walking trolleys have been developed with financial assistance from the Japanese government, and some of them have been commercialized in 2015 and 2016. In this paper, the specifications and features of these devices are presented. Moreover, the physically assistive effects of these devices in elderly users are verified and discussed using the results of fundamental function tests and verification experiments.