| CPC A01N 1/145 (2025.01) [F25B 9/14 (2013.01); F25D 3/107 (2013.01); F25D 19/006 (2013.01); F25D 3/14 (2013.01)] | 20 Claims |

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1. A container for holding at least one cryopreserved biological sample therein comprising:
a container wall comprising an outer insulating layer;
a cavity within the container for at least one cryopreserved biological sample; and
at least one thermal mass;
a heat exchanger operably connected to the at least one thermal mass and disposed entirely within the cavity; and
an infrared shield positioned within the cavity and at least partially around the heat exchanger, the infrared shield being separate from the container wall,
wherein the thermal mass and the heat exchanger are configured to recirculate air within the cavity to provide continuous cooling to the at least one cryopreserved biological sample.
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