IMPLANTABLE HIGH EFFICIENCY DIGITAL STIMULATION DEVICE
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United States of America Patent
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Issued Date -
Nov 6, 2008
app pub date -
May 2, 2008
filing date -
May 4, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An implantable device provides artificial electrical stimulation of animal tissue using a plurality of electrodes. A sensing unit detects a physiological parameter at a stimulation site. A control unit governs the stimulation, in response to the detected physiological parameter, by selecting certain pairs of the electrodes and by defining the shape, duration, and duty cycle of a segmented stimulation waveform. A stimulation signal generator produces the segmented stimulation waveform that has a first segment and a second segment that with respect to the first segment is longer in duration lesser in magnitude and opposite in polarity.
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