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Switchable dual-coil communication circuitry for extending communication range in an implantable medical device system

  • US 9,067,072 B2
  • Filed: 11/12/2013
  • Issued: 06/30/2015
  • Est. Priority Date: 03/06/2013
  • Status: Active Grant
First Claim
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1. A communications device useable in an implantable medical device system, comprising:

  • a first resonant circuit having an inductive coil and a capacitor connected in series;

    a second resonant circuit having an inductive coil and a capacitor connected in series; and

    control circuitry configured to issue at least one control signal indicating whether the communications device is to transmit data or receive data,wherein the at least one control signal enables only the first resonant circuit to transmit data, and wherein the at least one control signal enables both the first and second resonant circuits to receive data.

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