Development of a Prosthetic Forearm aiming at Humanlike Motion for Trans-radial Amputation

The paper presents a design idea of prosthetic forearm for trans-radial amputees based on body power itself not on an external motorized power. This study aims at realizing humanlike pronation and supination for prosthetic forearms. The proposed has passive joints driven by residual motion of the amputated limb. For an experimental verification, we show that the trans-radial amputee with long remaining length is able to rotate his/her forearm as if he she rotated it before amputation.This work was supported in part by the Convergence Technology Development Program for Bionic Arm through the National Research Foundation of Korea funded by the Ministry of Science, ICT & Future Planning (NRF-2015M3ClB2052811), and in part by ICT based medical robotic systems team of Hanyang university supported by the BK21 plus program funded by National Research Foundation of Korea