Patent ID: 9532898
Date: 2017-01-03
CPC Classifications: A61F,A61M,F28D,F28F

Claim:
1. An apparatus for rapidly cooling or heating the body temperature of a patient, the apparatus comprising: a housing having at least one blood inlet and at least one blood outlet; a pump portion contained within the housing for extracting blood from a patient's body through the blood inlet and infusing blood to the patient's body through the blood outlet, the pump portion defining a blood circuit inside the housing between the blood inlet and the blood outlet; and a heat exchanger portion contained within the housing for selectively heating or cooling the blood, wherein the blood circuit comprises a first chamber with a conically curved bottom wall for receiving the blood from the blood inlet, the bottom wall of the first chamber being in thermal contact with the heat exchanger portion; a blood conduit for delivering the blood from the first chamber into a pump, the blood conduit extending through the heat exchanger portion and in thermal contact with the heat exchanger portion; and a second chamber for receiving the blood from the pump, the second chamber being within the heat exchanger portion and in thermal contact with the heat exchanger portion.