Patent ID: 7914509
Filing Date: 2011-03-29
Classification: A61B,A61K,A61M,B06B,G10K,Y10T

Abstract:
1. A method of delivering ultrasound energy and a drug solution to a treatment site, the method comprising: positioning a guidewire through a clot at the treatment site; advancing a sheath over the guidewire, such that at least a portion of the guidewire is positioned within a utility lumen defined by the sheath, wherein the sheath includes a drug delivery lumen having drug delivery ports; removing the guidewire from the utility lumen; passing a catheter through the utility lumen, the catheter including an ultrasound transducer; delivering the drug solution to the treatment site through the drug delivery lumen and drug delivery ports; delivering ultrasonic energy to the treatment site from the ultrasound transducer through the sheath; and moving the ultrasound transducer within the sheath while the ultrasonic energy is being delivered to the treatment site.