Here is an EMG-driven robotic arm for after stroke rehab. Hand of Hope detects the patient’s intention to move the hand via EMG signals. It is designed to help patients in motor re-learning. The system relies on audio and visual stimulation to make the rehab process more fun. The below video provides more information on this device:
Hand of Hope has passive and active training modes for hand opening and grasping. It could make life a lot easier for post-stroke patients. More information is available on Rehab Robotics.