A medical system , comprising: a refrigerant recovery circuit , the refrigerant recovery circuit including: a first fluid flow path having: first compressor ; and a fluid recovery reservoir , the first fluid flow path being configured to contain a primary refrigerant; and a closed-loop second fluid flow path including: a thermal exchange device that is in a direct thermal exchange relationship with the fluid recovery reservoir ; a second compressor ; and a condenser , the closed-loop second fluid flow path being configured to contain a secondary refrigerant; the medical system further comprising a cryotreatment device , a cryotreatment system , and a cryotreatment console , the cryotreatment system being in fluid communication with the refrigerant recovery circuit , the cryotreatment system including a source of the primary refrigerant; a third fluid flow path downstream of the primary refrigerant and configured to be in fluid communication with and upstream of the cryotreatment device ; and a fourth fluid flow path downstream of the third fluid flow path, the fourth fluid flow path being in fluid communication with and upstream of the refrigerant recovery circuit , the fourth fluid flow path configured to be in fluid communication with and downstream of the cryotreatment device , the refrigerant recovery circuit and the cryotreatment system being located within the cryotreatment console, wherein the fluid recovery reservoir is be configured to be removed from the cryotreatment console. a first fluid flow path having: first compressor ; and a fluid recovery reservoir , the first fluid flow path being configured to contain a primary refrigerant; and first compressor ; and a fluid recovery reservoir , the first fluid flow path being configured to contain a primary refrigerant; and a closed-loop second fluid flow path including: a thermal exchange device that is in a direct thermal exchange relationship with the fluid recovery reservoir ; a second compressor ; and a condenser , the closed-loop second fluid flow path being configured to contain a secondary refrigerant; the medical system further comprising a cryotreatment device , a cryotreatment system , and a cryotreatment console , a thermal exchange device that is in a direct thermal exchange relationship with the fluid recovery reservoir ; a second compressor ; and a condenser , the closed-loop second fluid flow path being configured to contain a secondary refrigerant; the medical system further comprising a cryotreatment device , a cryotreatment system , and a cryotreatment console , the cryotreatment system being in fluid communication with the refrigerant recovery circuit , the cryotreatment system including a source of the primary refrigerant; a third fluid flow path downstream of the primary refrigerant and configured to be in fluid communication with and upstream of the cryotreatment device ; and a fourth fluid flow path downstream of the third fluid flow path, the fourth fluid flow path being in fluid communication with and upstream of the refrigerant recovery circuit , the fourth fluid flow path configured to be in fluid communication with and downstream of the cryotreatment device , the refrigerant recovery circuit and the cryotreatment system being located within the cryotreatment console, wherein the fluid recovery reservoir is be configured to be removed from the cryotreatment console. <EOS>