Patent ID: 7912539
Filing Date: 2011-03-22
Classification: A61B,A61M,A61N

Abstract:
1. A method of treating a vascular condition, the method comprising: delivering a guidewire to a treatment site within a vessel, the guidewire including a first expandable member; delivering a catheter over the guidewire to the treatment site, the catheter including a second expandable member and an extended tip, the extended tip including a plurality of perfusion ports distributed about a circumference of the extended tip; a light emission coil disposed on an outside surface of the extended tip, the light emission coil coaxial with the extended tip, wherein the perfusion ports are spaced between loops of the light emission coil; expanding the first and second expandable members to form an enclosed treatment space within the vessel; delivering a fluid to the treatment space; and exposing the treatment space to light via the light emission coil.