Cryotherapy system

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A computer-readable storage medium having a computer-readable program embodied therein for directing operation of a cryotherapy system including a plurality of cryoprobes, each such cryoprobe having a shaft with a closed distal end adapted for insertion into a body and conduits for flowing a cryogenic fluid through the shaft to reduce a temperature of the distal end, a source of the cryogenic fluid, a plurality of flow-control metering valves in fluid communication with the conduits of the plurality of cryoprobes and with the source of the cryogenic fluid, a compressor in fluid communication with the conduits of the plurality of cryoprobes to define a self-contained fluid system, and a computer processor, wherein the computer-readable program includes:

• instructions for controlling the plurality of flow-control metering valves and the compressor to provide desired flows of the cryogenic fluid through the conduits of the self-contained fluid system.