Patent ID: 7955293
Filing Date: 2011-06-07
Classification: A61B,A61M

Abstract:
1. An ultrasound catheter for disrupting occlusions in blood vessels, the ultrasonic catheter comprising: an elongate flexible catheter body having a proximal end, a distal end and at least one lumen; an ultrasound transmission member extending longitudinally through the lumen of the catheter body, the ultrasound transmission member having a proximal end connectable to a separate ultrasound generating device and a distal end terminating adjacent the distal end of the catheter body; a distal head coupled with the distal end of the ultrasound transmission member, the distal head positioned adjacent, but not directly affixed to, the distal end of the catheter body; and a distal sleeve directly coupled with the catheter body and disposed within the lumen of the catheter body near the distal end of the catheter body, wherein the sleeve comprises a hollow cylindrical member surrounding a portion of the ultrasound transmission member.