Patent ID: 8747396
Filing Date: 2014-06-10
Classification: A61B

Abstract:
1. A cryosurgical probe assembly, comprising: a) a cryosurgical probe having a shaft; b) an insulation element housed within the cryosurgical probe; c) a Joule-Thomson tube forming at least a portion of a Joule-Thomson assembly for receiving a cryogenic fluid from a cryogenic fluid supply; d) a connecting portion for detachable connection to a cryogenic fluid supply, the connecting portion having a proximal end section and a distal end section; and e) a heat exchanger, wherein at least a portion of the Joule-Thomson assembly extends from the connecting portion for insertion into the cryogenic fluid supply to receive cryogenic fluid there through, and wherein return cryogenic fluid flows through the connecting portion around the Joule-Thomson tube.