IMPLANTABLE WIRELESS POWER SYSTEM

  • US 20120146575A1
  • Filed: 03/02/2011
  • Published: 06/14/2012
  • Est. Priority Date: 12/10/2010
  • Status: Active Grant
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First Claim
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1. An apparatus for use in wireless energy transfer to power a medical device, the apparatus comprising:

  • a transmitting assembly configured to transmit electromagnetic energy, the transmitting assembly comprises,a transmitting resonant coil providing a first conductor; and

    an excitation coil inductively coupled to said transmitting resonant coil;

    a receiving assembly magnetic resonance coupled to the transmitting assembly, the receiving assembly comprises,a receiving resonant coil providing a second conductor; and

    a power pick-up coil inductively coupled to said receiving resonant coil; and

    wherein said first conductor or second conductor has a thickness T that is less than or equal to two times a skin depth at the resonant frequency of said transmitting resonant coil or receiving resonant coil.

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