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Multi-element coupler for generation of electromagnetic energy

  • US 9,744,369 B2
  • Filed: 06/29/2016
  • Issued: 08/29/2017
  • Est. Priority Date: 09/16/2013
  • Status: Active Grant
First Claim
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1. A method for wirelessly providing a power signal from a mid-field coupler device to an implanted device, the method comprising:

  • providing an excitation signal to at least one sub-wavelength structure in a mid-field coupler device and, in response, transmitting a wireless power signal using the at least one sub-wavelength structure to manipulate evanescent fields outside of a patient'"'"'s body and thereby generate electromagnetic waves propagating inside the patient'"'"'s body, wherein the wireless power signal is in the range of 300 MHz to 3 GHz;

    receiving at least a portion of the wireless power signal transmitted by the mid-field coupler device at an implanted device; and

    in response to receiving the portion of the wireless power signal, at least one of;

    applying an electrostimulation therapy to the patient using the implanted device and a portion of the received wireless power signal, andsensing a patient parameter using a sensor coupled to the implanted device and powered by the received wireless power signal.

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