US Patent 6991630 Non-charging pre-cooling system
Patent 6991630 was granted and assigned to Cryocor on January, 2006 by the United States Patent and Trademark Office.
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Patent abstract
A method of cooling an operative surface of a cryoablation device, comprises the steps of providing a primary refrigerant under pressure and pre-cooling the primary refrigerant to a temperature below a critical temperature thereof using a non-charging refrigeration system to liquify the refrigerant in combination with the steps of expanding the pre-cooled primary refrigerant in proximity to an operative surface of the cryoablation device and removing the expanded primary refrigerant from the proximity of the operative surface.
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Patent Inventor Names
Eric Ryba0
Date of Patent
January 31, 2006
0Patent Application Number
100626780
Date Filed
February 1, 2002
0Patent Primary Examiner
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US Patent 6991630 Non-charging pre-cooling system
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