Patent ID: 6325818
Filing Date: 2001-12-04
Classification: A61F

Abstract:
A cooling apparatus for selective organ hypothermia, comprising:a flexible catheter;an inflatable balloon attached near a distal end of said catheter;at least one blood flow passageway formed through the interior of said balloon, said at least one blood flow passageway extending from a proximal blood flow port in a proximal exterior face of said balloon to a distal blood flow port in a distal exterior face of said balloon;a cooling fluid supply lumen formed in said catheter;a cooling fluid supply port in said catheter, connecting said cooling fluid supply lumen to the interior of said balloon;a cooling fluid return lumen formed in said catheter; anda cooling fluid return port in said catheter, connecting the interior of said balloon to said cooling fluid return lumen;wherein said at least one blood flow passageway is formed from a metallized polymer film.