Patent ID: 7393338

Claim:
An ultrasound catheter comprising: an elongate flexible catheter body having a proximal end, a distal end and at least one lumen extending longitudinally therethrough; an ultrasound transmission member extending longitudinally through the lumen of the catheter body, the ultrasound transmission member having a proximal end and a distal end positioned at the distal end of the catheter body; a sonic connector positioned on the proximal end of the ultrasound transmission member for connecting the ultrasound transmission member to a separate ultrasound generating device, the sonic connector comprising a proximal section for connection to a separate ultrasound generating device, and a front portion extending distally from the central portion, the front portion having a bore which receives the proximal end of the ultrasound transmission member; and a tubular member separate and spaced-apart from the front portion of the sonic connector by a distance of about one-quarter wavelength, the tubular member having a bore that receives a portion of the ultrasound transmission member; wherein the front portion and the ultrasound transmission member are coupled together, and the tubular member and the ultrasound transmission member are coupled together.