Method and device for central nervous system protection during whole body hyperthermia or hypothermia

A method for intentionally inducing whole-body hyperthermia or hypothermia while protecting the central nervous system in a patient for medical treatment, comprising:

• immersing the patient in a fluid bath with a temperature greater than or less than normal body temperature to thereby increase or decrease the patient's body temperature;
• circulating the patient's cerebral spinal fluid comprising steps of:
• withdrawing the patient's cerebral spinal fluid;
• introducing a membrane stabilizing agent into the cerebral spinal fluid;
• controlling the temperature and chemical characteristics of the withdrawn cerebral spinal fluid,
• reintroducing the cerebral spinal fluid into the patient;
• circulating the patient's central nervous system blood comprising steps of:
• withdrawing the blood from the patient's central nervous system;
• controlling the temperature and chemical characteristics of the withdrawn central nervous system blood;
• oxygenating the central nervous system blood, and reintroduces the central nervous system blood into the patient;
• circulating the remaining blood in the patient's body comprising steps of:
• withdrawing the blood from the remainder of the patient's body;
• controlling the temperature and chemical characteristics of the withdrawn body blood;
• oxygenating the body blood;
• and
• reintroducing the body blood into the patient;
• and
• returning the patient's body temperature to a normal level after a predetermined time.