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Double helical antenna assembly for a wireless intravascular medical device

  • US 20060293718A1
  • Filed: 06/24/2005
  • Published: 12/28/2006
  • Est. Priority Date: 06/24/2005
  • Status: Active Grant
First Claim
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1. A medical device comprising:

  • an antenna assembly having a first coil for engaging tissue inside an animal and for receiving a radio frequency signal, wherein the first coil has a first end and a second end spaced along a longitudinal axis, and includes a first winding wound helically from the first end to the second end, and a second winding connected to the a first winding at the second end and wound helically from the second end to the first end; and

    an electronic circuit implanted in the animal and connected to the antenna assembly and receiving an electrical signal therefrom.

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