Powering of an implantable medical therapy delivery device using far field radiative powering at multiple frequencies
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United States of America Patent
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Aug 2, 2016
Grant Date -
Jan 17, 2013
app pub date -
Mar 29, 2012
filing date -
Jul 14, 2011
priority date (Note) -
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Abstract
A particular implantable device may include one or more antennas configured to receive a first far field radiative signal and a second far field radiative signal. The one or more antennas may be configured to receive the first far field radiative signal in a first frequency band and to receive the second far field radiative signal in a second frequency band. The implantable device may include a voltage rectifier configured to rectify the received first far field radiative signal and the received second far field radiative signal to provide a rectified voltage signal. The implantable device may further include a charge storage element operative to receive the rectified voltage signal and to store charge responsive to the rectified voltage signal. The implantable device may also include a therapy delivery unit powered by the charge storage element. The therapy delivery unit may be operative to deliver a therapy to a patient.
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