A developing of grip power feedback system for prosthesis users.

Abstract

We are developing a grip power feedback system for prosthesis user. In usually, a prosthesis user cannot know griping power of their hand. However, it is necessary for the hand user to grip something with appropriate grip power in their daily life. For this reason, the system which can feedback gripping power to the user was experimentally developed. In a previous system, it was difficult to control air pressure in real time. In order to improve this weak point, a positive pressure tank for improving rising characteristics of cuff pressure and negative pressure tank for increasing exhaust speed were provided in the air flow system. There change from a previous system made characteristics of air flow in new system improved strongly. However, the new system also has some problems such as air leakage from tanks. In this paper we would like to talk about the structure of our new system.