Non-invasive nerve and vessel severing device

Abstract

A catheter includes an elongate body that defines longitudinal axis and includes a proximal end and a distal end. The catheter also includes a shaft disposed in the elongate body, a fluid delivery channel for delivering a coolant, and a first expandable structure coupled to the distal end of the elongate body and the shaft. The first expandable structure defines a first interior chamber configured to receive the coolant. The catheter also includes a second expandable structure coupled to the distal end of the elongate body and the shaft adjacent the first expandable structure. The second expandable structure defines a second interior chamber. The catheter also includes a transducer mounted to the shaft within the second interior chamber, and the transducer is configured to emit vibrational energy within second interior chamber. The second interior chamber contains a fluid, and the vibrational energy propagates through the fluid to a treatment region.

Dependencies are inferred from the claim text.