Patent ID: 6958040

Claim:
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.