Implantable wireless accoustic stimulators with high energy conversion efficiencies
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United States of America Patent
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Dec 24, 2019
Grant Date -
May 23, 2019
app pub date -
Jan 17, 2019
filing date -
Mar 25, 2008
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Abstract
A controller-transmitter transmits acoustic energy through the body to an implanted acoustic receiver-stimulator. The receiver-stimulator converts the acoustic energy into electrical energy and delivers the electrical energy to tissue using an electrode assembly. The receiver-stimulator limits the output voltage delivered to the tissue to a predetermined maximum output voltage. In the presence of interfering acoustic energy sources output voltages are thereby limited prior to being delivered to the tissue.
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