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Ultrasound method for revascularization and drug delivery

  • US 6,508,783 B2
  • Filed: 03/14/2001
  • Issued: 01/21/2003
  • Est. Priority Date: 03/14/2001
  • Status: Expired due to Fees
First Claim
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1. A method for improving blood circulation to an area of interest in a heart muscle of a patient, said method comprising the steps of:

  • inserting a guidable elongated flexible ultrasound device into said patient'"'"'s vasculature, said guidable elongated flexible ultrasound device having an elongate lumen, a distal end, a proximal end, a distal head mounted on said distal end, and a needle mounted to said elongated tubular flexible ultrasound device in fluid communication with said elongate lumen;

    guiding said distal head to said area of interest in said heart muscle;

    applying ultrasonic energy via said distal head to said area of interest to form a thrombus without removing any heart material from the area of interest; and

    injecting a material into said thrombus with said needle.

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