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Magnetic resonance imaging transseptal needle antenna

  • US 20010056232A1
  • Filed: 02/01/2001
  • Published: 12/27/2001
  • Est. Priority Date: 02/01/2000
  • Status: Active Grant
First Claim
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1. A transseptal needle antenna system suitable for receiving magnetic resonance signals from a sample, comprising:

  • a hollow needle having a distal portion and a proximal portion, said distal portion having a distalmost end sharpened for penetrating a myocardial wall, and said needle further comprising a first conductor;

    an insulator/dielectric applied to cover the first conductor over the proximal portion of said needle;

    a second conductor applied to cover the insulator/dielectric; and

    an interface assembly for interfacing with an MRI scanner.

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