Nursing and gastric lavage device for emergency patients

The invention discloses a nursing gastric lavage device for emergency patients, and effectively solves the problems that the injection amount and the suction amount of gastric lavage liquid are inconvenient to adjust, and the gastric lavage liquid is inconvenient to sample. Comprising a main body, a rectangular groove is formed in the main body, an auxiliary block is slidably connected into the rectangular groove, circular cavities are formed in the left side and the right side of the main body respectively, auxiliary rods are coaxially slidably connected into the circular cavities, the auxiliary rods extend into the rectangular groove, guide pipes are arranged at the opposite ends of the circular cavities, and the free ends of the guide pipes are connected with double-cavity pipes; an object taking groove is formed in the main body; a waste liquid cylinder is arranged at the right end of the circular cavity; an inner shell is coaxially and slidably connected in the waste liquid cylinder; a sampling hole is f