The right thorax has two windows that show the anatomy of each thorax layer. The color, volume and viscosity of thoracic drainage can be adjusted. The model uses a PVC polymer and material silica gel, and the super simulated touch is felt, without irritating chemical, the texture is soft and the touch is real. You can perform closed pneumothorax and liquid thorax drainage after thoracic trauma and postoperative nursing of drainage tube. The left thorax can be used for decompression exercises by pneumothorax puncture and liquid thoracic intubation drainage. Applicable- Clinical teaching and practical training for students in schools, nursing schools, occupational health schools, clinical s and primary health units You can do repeated training, until this ability is completely dominated. This model is perfect for training and teaching, the Faculty of Medicine, the Re Center, etc. need it, etc.