A cryogenic apparatus comprises a coolant system and a probe having a cryogenically-cooled cold-tip. The probe is formed of an elongated housing having a distal end closed by the cold-tip and a proximal end connected to the coolant system. The housing is adapted to receive cryogenic droplets entrained...http://www.google.de/patents/US5324286?utm_source=gb-gplus-sharePatent US5324286 - Entrained cryogenic droplet transfer method and cryosurgical instrument
