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Conformal antenna for implantable medical device and implantable medical device with such antenna

  • US 8,903,497 B2
  • Filed: 09/30/2010
  • Issued: 12/02/2014
  • Est. Priority Date: 09/30/2010
  • Status: Active Grant
First Claim
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1. An implantable medical device, comprising:

  • a housing having an interior surface having a generally tubular cross-section with a longitudinal axis, said housing having a lateral portion of a segment of said tubular cross-section along said longitudinal axis;

    an antenna within the housing, the antenna comprising;

    a bobbin within the housing, the bobbin having a first side and a second side opposite said first side, wherein the first side is nearer to the interior surface of said housing than that of the second side; and

    a coil wound around said bobbin, wherein said wound coil defines a winding axis extending from the first side of the bobbin to the second side of the bobbin and orthogonal to said longitudinal axis of said tubular cross-section, said coil having a greater number of complete turns proximate said second side of said bobbin than proximate said first side of said bobbin, with said coil having a cross-sectional shape selected for a space between said bobbin and said interior of said housing in said lateral portion of said segment of said tubular cross-section along said longitudinal axis of said housing.

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