Medical device for ICU (intensive care unit)

The utility model relates to a medical device for an ICU (Intensive Care Unit). The medical device comprises a sputum suction cylinder, one end of the sputum suction cylinder is connected with an adsorption tube; piston plates are arranged at the ends of the push rods; the piston plate is positioned in the sputum suction cylinder; one end of the adsorption tube is connected with the sputum suction cylinder; a one-way communication mechanism is arranged at the end of the adsorption pipe; one side of the one-way communication mechanism is positioned in the sputum suction cylinder; a liquid outlet cover is arranged in the one-way communication mechanism; one side of the adsorption cylinder is communicated with a storage tank. When the push rod is pulled outwards, a vacuum environment is formed in the sputum suction barrel, the liquid outlet cover can be adsorbed, finally, the liquid outlet cover is displaced, the through hole and the strip hole are aligned, and sputum can be guided into the sputum suction barrel