Patent ID: 7297131

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 transmitting ultrasound energy having node points; 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 having a bore which receives the proximal end of the ultrasound transmission member; and an absorber positioned on the proximal end of the ultrasound transmission member and between the sonic connector and a first node point, the absorber surrounding the ultrasound transmission; and wherein the sonic connector and the ultrasound transmission member are crimped together at a first location, and the absorber and the ultrasound transmission member are crimped together at a second location.