Design and development of a low-cost force feedback 3D printed myoelectric hand prosthesis

Over the last decades, prosthetics turns to be one of the most important fields in the biomedical technologies. Therefore, designing prosthetic components that can improve patient comfort and mobility has gained importance. The current design consists of an EMG sensor, Arduino Nano, servomotors to provide specific movements and a force sensitive resistor (FSR). The system components were implemented into a 3D printed hand. EMG signals obtained from biceps brachia muscle of the subject by means of surface electrodes are captured via special EMG sensors. The signals are then pre-amplified and filtered. The filtered and amplified signal sent to the Arduino Nano is used for producing mechanical work. The force sensitive resistor was placed on the tip of the index finger of the prosthetic hand as a force feedback system of the prosthetic hand for the control and adjustment of movements.