Gorlina A A, Zinov'ev V S, Posevich O P, Nikol'skiĭ V F
Med Tekh. 1976 May-Jun;0(3):37-40.
Two instruments for realization of cryosurgical treatment are proposed, viz. with gas and liquid systems of cooling. Nitrogen serves as a cooling agent. In devices a rapid interchange of tips, depending upon the kind of the operation, is provided for. The time necessary for making the cryodevices ready for the operation does not exceed 1.5 minutes.