【Airway Simulator】 The model uses one large balloon to simulate the stomach and two small balloons to simulate the lungs. After intubation operation for ventilation, the big balloon is inflated and inserted into the stomach tube, and the small balloon is inserted into the trachea. 【Adjustable Head】 The newborn's head can be adjusted up and down. Realistic neonatal anatomy. The model comes with a base and screws for durability. 【PVC Material】Imported PVC plastic material, stainless steel mould, injection moulding machine injection molding, realistic image, real operation, reasonable structure. 【Intubation training】Oral and nasal tracheal intubation training is available. You can observe the lung expansion by blowing and test whether the intubation tube is correctly inserted into the airway. 【Widely used】 It is suitable for medical school students, clinical medical personnel, all kinds of on-site first-aid personnel training, teaching demonstration through oral tracheal intubation techniques and internship operations.