【Features】
1. Pneumothorax after chest trauma and liquid can be closed drainage of thoracic operations training practice and postoperative nursing of drainage tube. 
2.There are two visual windows in right thorax to show each layer of anatomical structures.

3. Pneumothorax decompression training, closed drainage of hydropneumothorax training and thoracocentesis training in the left thorax.
4. The color, volume and viscosity of the drainage solution can be regulated.

5. The puncture cushion and drainage wounds cushion can be replaced.