The Advanced Infant Airway Infarction and CPR Model is a highly simulated teaching device specially designed for first aid training of newborns and infants.  It aims to help trainees master the standard operating procedures for handling infant airway foreign body infarction and cardiopulmonary resuscitation (CPR).  This model adopts the appearance dimensions and anatomical structure close to that of a real baby.  The mouth, nose, trachea and lungs are all designed according to physiological proportions, which can truly simulate the respiratory tract obstruction caused by foreign body blockage.  Trainees can practice foreign object removal methods such as back tapping and chest pressing on the model, and judge the operation effe