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IMAGE-GUIDED RENAL NERVE ABLATION

  • US 20130023862A1
  • Filed: 06/15/2012
  • Published: 01/24/2013
  • Est. Priority Date: 06/17/2011
  • Status: Active Grant
First Claim
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1. A method of treating hypertension in a mammal, comprising:

  • by focused sound energy, heating at least one nerve at a surface of a renal artery in a mammal;

    during the heating and by magnetic resonance imaging, repeatedly determining thermal levels in each of first and second volumetric zones of a region that includes at least a portion of the surface, the second zone being adjacent to the first zone;

    after determining that an indicium of a thermal level in the first zone exceeds a first threshold, and upon determining that an indicium of a thermal level in the second zone exceeds a second threshold, ceasing the heating of the at least one nerve for at least three months; and

    as a result of the heating, lowering a blood pressure in the mammal.

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