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Method and Apparatus for Guiding an External Needle to an Implantable Device

  • US 20110237937A1
  • Filed: 03/11/2011
  • Published: 09/29/2011
  • Est. Priority Date: 03/25/2010
  • Status: Active Grant
First Claim
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1. A system for generating a field relative to an implanted medical device, comprising:

  • a coil array positioned in the implanted medical device including a plurality of coils each having a winding group formed on a flexible circuit;

    a single power source in the implanted medical device to power all components of the implanted medical device including the coil array; and

    a processor operable to energize the coil array according to selected instructions to assist in providing a substantially constant amplitude alternating current and/or voltage to the coil array;

    wherein each of the plurality of coils in the coil array is formed substantially thin in the flexible circuit to provide a substantially thin profile of the flexible circuit.

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