Three-cavity double-air-bag pleural cavity drainage tube

The utility model aims to provide a three-cavity double-air-bag pleural cavity drainage tube which can effectively solve the problem of completely eliminating negative effects generated in the using process of the traditional conventional drainage tube. For solving the problem, the utility model adopts the technical scheme that the three-cavity double-air-bag pleural cavity drainage tube comprises a tube body, elastic membranes and hoses; the position on the tube body and close to the inner end is provided with a first elastic membrane and a second elastic membrane; a first air bag is formed in the first elastic membrane; a second air bag is formed in the second elastic membrane; the first air bag is provided with a first hose communicated with the first air bag; the first hose is arranged along the length direction of the outer wall of the tube body to the outer end part of the tube body; the end part of the first hose is provided with a first check valve; the second air bag is provided with a second hose co