Antenna systems for implantable medical device telemetry

  • US 7,072,718 B2
  • Filed: 12/03/2002
  • Issued: 07/04/2006
  • Est. Priority Date: 12/03/2002
  • Status: Active Grant
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First Claim
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1. A system for communicating with an implantable medical device, the system comprising:

  • an external device adapted to be communicatively coupled to the implantable medical device via radio-frequency (RF) telemetry and adapted to control operation of the implantable medical device and receive data from the implantable medical device, the external device comprising;

    a transceiver;

    an antenna system comprising at least two antennas each being directional on at least one plane and having a predetermined half-power beamwidth of less than about 180 degrees;

    an antenna interface circuit coupled between the transceiver and the antenna system; and

    a directionality controller coupled to the antenna interface circuit, the directionality controller adapted to control a directionality of the antenna system.

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