cryoprobe
/ˈkrʌɪə(ʊ)prəʊb/noun
1 Medicine. An instrument used in cryosurgery to freeze selected areas of tissue.
2A nose section of a rocket cooled to a very low temperature for collecting samples of air from the upper atmosphere. rare.
Origin
1960s; earliest use found in Archives of Neurology and Psychiatry. From cryo- + probe.