Blood gas reagent bag with sealing nozzle

The utility model discloses a blood gas reagent bag with a sealing nozzle, which comprises a reagent bag and the sealing nozzle, the sealing nozzle is arranged above the reagent bag, the sealing nozzle comprises a nozzle shell, a high-barrier composite film, a sealing element and a front pressing ring, the nozzle shell is provided with an accommodating hole, and the sealing element is arranged in the accommodating hole. The high-barrier composite film, the sealing element and the front pressing ring are all pressed in the containing hole, the upper end of the high-barrier composite film is connected with the lower end of the sealing element, the upper end of the sealing element is connected with the lower end of the front pressing ring, and the front pressing ring is connected with the containing hole in a clamped mode. The reagent box can prevent the reagent from being contacted with the external environment, prolong the storage life of the reagent, and ensure the normal use of the reagent. 本实用新型公开了一种带密封接咀的血