Patent ID: 6254626
Filing Date: 2001-07-03
Classification: A61B,A61F,A61M

Abstract:
A selective brain cooling device, comprising:a flexible catheter capable of insertion to a carotid artery of a patient;a heat transfer element attached to a distal end of said catheter, said heat transfer element including a plurality of heat transfer segments, further including a flexible metal tube connecting each of said heat transfer segments to adjacent said heat transfer segments, and wherein said flexible metal tube has a wall thickness of between about 0.5 and 0.8 mils and a diameter of between about 2 and 4 mm;a plurality of exterior helical ridges on said heat transfer element, said helical ridges to create mixing in a blood flow in the carotid artery; andan inner coaxial tube disposed within said heat transfer element, said inner coaxial tube being connected in fluid flow communication with an inner coaxial tube within said catheter.