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Ultrasonic catheter drug delivery method and device

  • US 20030229304A1
  • Filed: 06/04/2003
  • Published: 12/11/2003
  • Est. Priority Date: 03/21/2001
  • Status: Active Grant
First Claim
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1. A catheter system for ultrasound drug delivery, comprising:

  • a catheter having a proximal portion comprising a chamber and a distal end, wherein at least one lumen extends longitudinally from said chamber to said distal end, at least one fluid source in fluid communication with said chamber, and an ultrasound transducer having a distal end, said transducer distal end extending coaxially into said catheter chamber, wherein said transducer generates ultrasound waves that induce wave motion in fluid in said chamber to deliver liquid and/or ultrasound energy to the catheter distal end.

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