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METHODS OF USING HIGH INTENSITY FOCUSED ULTRASOUND TO FORM AN ABLATED TISSUE AREA CONTAINING A PLURALITY OF LESIONS

  • US 20100217162A1
  • Filed: 05/03/2010
  • Published: 08/26/2010
  • Est. Priority Date: 05/25/2006
  • Status: Active Grant
First Claim
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1. A trans-esophageal ablation device for ablating tissue within a patient, comprising:

  • a flexible, elongate portion adapted to be guided within said patient;

    a source of energy;

    a two-dimensional array of transducer elements operatively coupled to said elongate portion and said source of energy, said array of transducer elements configured to deliver high intensity focused ultrasound (HIFU) energy to a focus zone within said patient and which may also deliver HIFU energy to a grating lobe;

    wherein each of said transducer elements are selectively actuatable to allow for electronic steering of said HIFU energy; and

    wherein said transducer elements have a taper wherein said transducer elements positioned more centrally in said array are larger than said transducer elements positioned more peripherally in said array.

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