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skos:definition |
SPN: A cryogenic surgical device is a device used to destroy nervous tissue or produce lesions in nervous tissue by the application of extreme cold to the selected site.,UMD: Equipment designed to regulate the flow and application of a gaseous or liquid coolant (cryogen) to destroy or remove tissue by freezing (i.e, perform cryosurgery). Cryosurgical units induce freezing in target tissue either through direct application of liquid cryogen or indirectly through contact with a cryogen-cooled probe. Some units use liquid nitrogen, while others use nitric oxide (NO2 ) or carbon dioxide (CO2 ) as a refrigerating medium.
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