Comprehensive Emergency Skills Training Manikin(medical model) medical model,traning manikin, emergency ... esophagus, epiglottis, trachea and tracheal ring; can practice tracheal intubation, sputum suction, oxygen inhaling and incision of tracheal nursing; ... correct, and also support auscultation to detect intubation position; 3. CPR Operation Training: multiple respiratory ways by mouth to mouth, ...