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Wireless communication with a medical implant

  • US 8,718,787 B2
  • Filed: 09/11/2012
  • Issued: 05/06/2014
  • Est. Priority Date: 12/12/2008
  • Status: Expired due to Fees
First Claim
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1. A method for providing transdermal communication, the method comprising:

  • causing a current on an antenna implanted inside a patient, the antenna supporting an electromagnetic field having a near-field component and a far-field component;

    shielding the near-field component with a grounding structure, thereby trapping energy contained in the near-field component and reducing the extent to which the energy in the near-field component interacts with the patient; and

    allowing, the propagation of the far-field component through the skin of the patient.

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