An assembly of devices designed to apply cold from a gaseous or liquid refrigerant (cryogen) [e.g., liquid nitrogen (LN2), nitrous oxide (N2O), carbon dioxide (CO2)] to a target tissue for its destruction and removal. The system typically includes a mechanical regulator to control the flow of cryogen, contained in an attached cylinder, and the probe(s) to apply the cold. The system is used across clinical specialties (e.g., general surgery, dermatology, oral surgery, gynaecology, urology, ENT, proctology, oncology) to remove malignant or abnormal benign tissues.
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