Features：
1. An adult male foreign body obstruction model of respiratory tract, which can practice the skills of early diagnosis and on-site first aid for patients with foreign body of respiratory tract
2. Accurate anatomical structure: head, ribs, breastbone,xiphoid umbilicus and abdomen
3. Practice Heimlick maneuver and airway foreign body clamping method
4. Equipped with foreign body models of different shapes, sizes and traits, which can simulate different degrees of foreign body obstruction
5. Basic CPR operation practice
