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Multi-resonant ultrasonic catheter

  • US 6,958,040 B2
  • Filed: 12/27/2002
  • Issued: 10/25/2005
  • Est. Priority Date: 12/28/2001
  • Status: Expired due to Term
First Claim
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1. A catheter system for delivering ultrasonic energy and a therapeutic compound to a treatment site within a patient'"'"'s vasculature, the system comprising:

  • a tubular body having a proximal end, a distal end and an energy delivery section positioned between the proximal end and the distal end;

    an inner core configured for insertion into the tubular body, the inner core having an outer surface and the inner core comprising an electrically conductive core material;

    a plurality of ultrasound radiating members positioned on the outer surface of the inner core, and electrically connected to the electrically conductive core material;

    an electrically conductive tube-shaped member disposed over the inner core and over the ultrasound radiating members positioned thereon, wherein at least a portion of the electrically conductive tube-shaped member is electrically connected to a plurality of the ultrasound radiating members; and

    a control circuitry configured to deliver an input signal to a plurality of the ultrasound radiating members.

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