The FES system consists of stimulating electrodes, pressure sensors (placed in patient’s shoe) and a controller. The controller is venclosed in a portable case outfitted with two belt clips. Shoe (insole), a transmitter is also placed inside the patient shoe. The receiver is attached to the electrical stimulation circuit. When the patient tries to walk and lifts his or her foot, the receiver senses the signal and sends a triggering signal to the stimulator circuit in the controller via a radio frequency link. The controller then sends the selected amount of stimulus signal to patient’ s muscles.
National Environmental Engineering Research Institute (NEERI)
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