Patent ID: 8192363
Filing Date: 2012-06-05
Classification: A61B,A61N

Abstract:
1. A catheter system for delivering ultrasonic energy to a treatment site, the catheter system comprising: a tubular body having a proximal end, a distal end and a treatment zone located between the distal end and the proximal end; and a plurality of ultrasonic assemblies configured to be positioned within the treatment zone; each of the ultrasonic assemblies comprising a plurality of ultrasound elements forming a treatment length, each ultrasound element having a longitudinal length and a longitudinal spacing between longitudinal centers of longitudinally adjacent ultrasound elements, wherein the ultrasound assembly is configured such that the average power supplied between any two ultrasound elements in the treatment zone has a longitudinal density between about 0.2 and about 1.0 W/cm and wherein each ultrasound assembly has a different treatment length.