Inductive repeater coil for an implantable device

  • US 8,131,378 B2
  • Filed: 10/28/2007
  • Issued: 03/06/2012
  • Est. Priority Date: 03/24/1999
  • Status: Expired due to Fees
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First Claim
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1. An implantable system comprising:

  • an external coil, suitable to be outside a living body;

    a repeating coil pair, suitable to be implanted within the living body, wherein a first coil is within an inductive field of said external coil, and is electrically coupled to an amplifier which is electrically coupled to a second coil within an inductive field of a device coil; and

    an implantable device, including said device coil;

    wherein energy is transmitted from said external coil to said first coil, then to said second coil, then to said device coil to power said implantable device.

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