Features:

The model is the head, neck and upper torso of the elderly, with pharynx and trachea.Bronchus, esophagus, cricoid cartilage, part of the cervical vertebra and other anatomical structures; Sputum can be sucked through the mouth, nasal cavity and tracheotomy. The simulated sputum can be sucked out correctly, and the cleaning and nursing of tracheatube can be carried outedduring emergency education.