CPC A61B 18/02 (2013.01) [A61B 2018/00023 (2013.01); A61B 2018/00577 (2013.01); A61B 2018/0212 (2013.01); A61B 2018/0262 (2013.01); A61B 2018/0293 (2013.01)] | 19 Claims |
1. A cryogenic system for cooling an exterior surface of a cryoprobe comprising:
a dewar containing a liquid nitrogen bath; and
at least one cryoengine comprising:
a first tank positioned at least partially in the dewar and comprising one or more heating elements;
a second tank disposed outside of the dewar, the second tank comprising an exterior surface that is insulated; and
a tank conduit fluidly connecting the first tank to the second tank;
wherein at least a portion of the exterior surface of the second tank is in direct contact with a heat source.
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