Abstract
A self-contained, user-worn, electrical stimulator, incorporating a C/MOS micro-processor as the controller is described. The prototype is aimed at restoring function in upper extremities such as elbow and digit flexors, to those with upper motor neuron lesions. EMGs from user controllable muscles are input to control the micro-processor and effect stimulation. Device characteristics are a function of the internal program which may be changed to accomodate different clinical situations. The processor has also been used to attempt to minimize the effect of change at the electrode tissue interface. Emphasis has been placed on designing a producible, reasonably priced system. Tests with normal subjects are reported. Additional uses are discussed.
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