Stoves and furnaces – Heaters – Chemical
Patent
1990-09-04
1992-04-07
Jones, Larry
Stoves and furnaces
Heaters
Chemical
126204, 62 4, 604113, 128898, 128400, 16510417, F24J 100, F61F 700, A61J 105
Patent
active
051018047
ABSTRACT:
The present invention relates to a device and method for warming biological fluids. The portable self-contained device which warms physiological fluids including blood is comprised of a reaction container which is capable of storing at least one chemical which when mixed with a second chemical will produce an exothermic chemical reaction, a mixing means for mixing the two chemicals to produce the exothermic chemical reaction, a heat exchanger to absorb heat from the exothermic reaction and transfer it to the physiological fluid or blood, a temperature regulating means to regulate the maximum temperature of the device and an insulating container for enclosing the reaction means, heat exchanger and temperature regulating means. The method of rapidly heating the stored cold physiological fluids including blood to about 39.degree. during infusion comprise the step of activating the physiological fluid warming device by mixing the chemicals to produce the exothermic chemical reaction and passing the physiological fluid or blood through the heat exchanger.
REFERENCES:
patent: 4265216 (1981-05-01), Marshall et al.
patent: 4430988 (1984-02-01), Krasberg
patent: 4464563 (1984-08-01), Jewett
patent: 4784217 (1988-11-01), Payre et al.
patent: 4880415 (1989-11-01), Urakami
patent: 4934336 (1990-06-01), White
PCT International Publication No. WO 90/07947 International Publication Date: Jul. 26, 1990 (International Application No. PCT/US90/00176 International Filing Date: Jan. 18, 1990).
Baylor College of Medicine
Jones Larry
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