Category:Cryosurgical Engineering Model:LL-B Liquid Nitrogen sprayer Volume:.3L Caliber:0mm Outer diameter:90mm Height:0mm Empty weight:1Kg Full weight:0Kg Canister: Pieces 0n Outer diameter 0mm Height 0mm Static LN preservation period(d): First grade 0 Excellent grade 0 STRUCTURE CHARACTERS: The product is made up of four parts, refrigerated nozzle , transfusion pipe,liquid nitrogen storage of bottle .Liquid nitrogen is forced to spurt out of the nozzle from the storage through the transfusion pipe by the pressure formed while evaporating,thus to realize the purpose of freezing therapy.Different shapes of nozzles are outfitted to meet the requirement of different diseases.