Electric Wheelchair With Joystick Joysticks On power wheelchairs may enhance their use and independence. However, standard joysticks may be incompatible with the individualized features of hand impairment. This study assessed the effectiveness and satisfaction of custom-designed power wheelchair joysticks that were made using 3D printing technology. Evaluation was conducted using http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=1676680