Transcutaneous electrical nerve and/or muscle stimulator
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United States of America Patent
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Mar 24, 1992
Grant Date -
N/A
app pub date -
Sep 19, 1989
filing date -
Sep 19, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A transcutaneous muscle/nerve stimulator having a signal generator which produces a train of sine pulses about a zero volt reference line in which the pulses have an alternating order of polarity on a predetermined basis. The amplitude of and width of the positive and negative excursion portions of the pulses, respectively, may be controlled independently for each sine pulse; in addition, the respective positive and negative excursions may be separated by a time delay of selected duration. These features may also be modulated so that they change at a predetermined rate. The signal generator includes a pulse modulation feature which produces an exchange or shifting of selected pulses in the pulse train to produce groupings of two, three, or two plus one pulses or other groupings.
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