(1) Back volley method: ride the child across and lie prone on the arm of the first aider, with the head lower than the trunk, fix the head, and put his arm on the thigh of the first aider, and then use the grasp of the other hand to volley the back between the two shoulder blades of the child for 4-6 times, so that the internal pressure of the respiratory tract rises suddenly, which is helpful to loosen the foreign body and expel it out of the body.

(2)Chest finger slamming method: the child takes the supine position and holds it in the arms of the first aider, with the head slightly lower than the trunk. The first aider presses 4-6 places at the junction of the line between the two nipples and the midline of the sternum with two fingers. If necessary, it can be used alternately with the above methods. Until the foreign body is discharged or the child loses consciousness.

Features:

■ Normal airway obstruction simulation;

■ the possibility of performing standard CPR maneuvers: artificial respiration and external cardiac compression;

■ Chest dilatation during airway penetration;

■Simulation of choking and foreign body obstruction of the airway;

■Standard infant real-life ratio design and accurate standard layout;

■Reachable sternum and ribs.