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METHODS AND DEVICES TO TARGET VASCULAR TARGETS WITH HIGH INTENSITY FOCUSED ULTRASOUND

  • US 20110178445A1
  • Filed: 02/11/2011
  • Published: 07/21/2011
  • Est. Priority Date: 10/25/1999
  • Status: Active Grant
First Claim
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1. A method for applying heat from a position external to a patient to a region including a blood vessel wall internal to a patient comprising:

  • a. identifying a flow signal of the blood vessel;

    b. determining an initial position and orientation of the blood vessel relative to a therapeutic ultrasound transducer positioned external to the patient;

    c. determining the attenuation of an ultrasound beam propagated from the position external to the patient to the blood vessel; and

    d. generating converging ultrasound beams which originate at the position external to the patient and propagate to a position adjacent the wall of a blood vessel such that the blood vessel wall is incorporated into the focus of the ultrasound beams.

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