Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Eric Ryba0
Date of Patent
January 31, 2006
0Patent Application Number
100626780
Date Filed
February 1, 2002
0Patent Citations Received
Patent Primary Examiner
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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