Abstract
Functional Electrical Stimulation (FES) is a technique used to improve mobility and function for patients suffering some neurological related diseases such us Multiple Sclerosis (MS) and stroke. Some patients might require FES applied in more than one location depending on the extent of the neurological condition. Currently, this can be achieved using multi-channel FES systems. However, these systems can be bulky and impractical in daily usage. This research investigates using a wireless distributed FES system to overcome some of the limitations of the current multi-channel systems. A prototype of a three-channel FES system was built and tested. The prototype is used for drop foot stimulation and reciprocal arm swing stimulation while the user is walking, and for elbow extension and wrist/fingers opening stimulation if triggered while standing or sitting. A pilot study was designed to evaluate the reliability and repeatability of the system with 11 healthy volunteers without applying stimulation. This was followed by a case study with a hemiplegic person. The results indicate that the system can successfully detect and generate output responses appropriate to the input signals from the body sensors.
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