Air embolism and emergency position demo heart model

The utility model discloses an air embolism and emergency position demo heart model, The model is composed of a heart shell model, superior, inferior caval vein models, a pulmonary artery model, and an aorta model, wherein four heart chambers and two intercameral valves are arranged in the heart shell model; the superior, inferior caval vein models, the pulmonary artery model, and the aorta model in the heart shell model are respectively connected with a right atrium, a right ventricle and a left ventricle, the inlets of the pipes representing the superior, inferior caval veins are respectively provided with one silica gel seal, and one small pipe respectively passing through the intercameral valves through to an air injection small pipe of the right ventricle, and the outlet of the pipe representing the pulmonary artery is also provided with a puncture-resistant silica gel seal small cap. The air embolism and emergency position demo heart model can directly and visually demonstrate the process of air embolism in the heart, so as to meet the medical teaching and practice need.