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Method and apparatus for drug delivery to a target site

  • US 9,579,494 B2
  • Filed: 03/13/2014
  • Issued: 02/28/2017
  • Est. Priority Date: 03/14/2013
  • Status: Active Grant
First Claim
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1. A method of delivering compounds to a target region, comprising the steps of:

  • advancing an ultrasound catheter to the target region, the ultrasound catheter comprising a plurality of ultrasound radiating elements along a first side of the ultrasound catheter, a plurality of ultrasound radiating elements along a second side of the ultrasound catheter, and a first hole, wherein the two or more ultrasound radiating elements are spaced apart longitudinally along the ultrasound catheter;

    introducing a first therapeutic compound to the target location via the first hole; and

    sequentially activating the plurality of ultrasound radiating elements wherein;

    the plurality of ultrasound radiating elements along the first side of the ultrasound catheter can be activated in a first direction such that the first therapeutic compound is directed to a first target area, andthe plurality of ultrasound radiating elements along the second side of the ultrasound catheter can be activated in a second direction such that the ultrasound catheter can be configured to remove fluid from a second target area.

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