Method of and apparatus for electrically stimulating quadriceps muscles of an upper motor unit paraplegic
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United States of America Patent
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Dec 10, 1991
Grant Date -
N/A
app pub date -
Feb 13, 1987
filing date -
Feb 13, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Muscle fatigue of an electrically stimulated quadriceps muscle of an upper motor neuron paraplegic is detected and compensated for by monitoring the myoelectric (EMG) signal produced by the stimulated muscle and controlling one or more of the following parameters of the electrical stimulation (ES) signal; its pulse repetition rate, its amplitude, and its pulse width.
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