Patent ID: 9707036
Date: 2017-07-18
CPC Classifications: A61B

Claim:
1. An intravascular catheter, comprising: an elongate member having a proximal end and a distal end; an inflatable balloon secured to the elongate member adjacent to the distal end thereof, the inflatable balloon further including an interior surface, an exterior surface, a lumen defined by the interior surface and comprising at least one section that is permeable to radiofrequency (RF) radiation, the at least one section extending from the interior surface of the inflatable balloon to the exterior surface of the inflatable balloon; a first electrode disposed within the inflatable balloon; and first and second indifferent electrodes disposed adjacent and external to the inflatable balloon, wherein the first indifferent electrode comprises a first expandable hoop positioned proximal to a proximal end of the inflatable balloon and the second indifferent electrode comprises a second expandable hoop positioned distal to a distal end of the inflatable balloon.