Patent ID: 8313461

Claim:
An apparatus for delivery of thermal treatment and medication to a selected area in the vascular system of a patient, comprising: an elongated flexible catheter assembly; at least two heat transfer elements on a distal portion of said catheter assembly insertable to said selected area in said vascular system; a temperature control lumen within said catheter assembly, said temperature control lumen being in fluid flow communication with said heat transfer elements, to supply a temperature controlled fluid to said heat transfer elements; a medicament delivery lumen within said catheter assembly, said medicament delivery lumen being in fluid flow communication with said distal portion of said catheter assembly, to deliver a medicament to said distal portion of said catheter assembly; a return lumen in said catheter assembly, said return lumen being in fluid flow communication with said heat transfer elements, to receive said temperature controlled fluid from said heat transfer elements; and an exit port in said distal portion of said catheter assembly, said exit port being in fluid flow communication with said medicament delivery lumen to allow said medicament to exit said catheter assembly in the proximity of said heat transfer elements.