Fully implantable nerve signal sensing and stimulation device and method for treating foot drop and other neurological disorders
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United States of America Patent
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Dec 22, 2009
Grant Date -
Jan 13, 2005
app pub date -
Apr 2, 2004
filing date -
Apr 2, 2003
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Abstract
A fully implantable nerve stimulation system includes an event-triggered, closed-loop control unit that detects physiological events from nerve signals and delivers stimulation pulses to a nerve to produce a desired physiological response. The stimulation system includes a low-noise, low-power nerve signal amplifier, accelerometers that detect position and a battery powered processor that selectively powers components in the system to detect physiological events and deliver stimulation pulses with a minimum of battery power.
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