1. Transparent chest wall, visceras are exposed such as stomach and lungs, easy to verify if the operation is correct;
2. Gastric tube can be inserted via mouth or nose; supports nasal feeding, gastric lavage, hemostasis and stomachoscopy; simulative gastric liquids can be extracted after proper operation, and liquids in the digestive tract can be drained out fter all the operation.
3. Trachea cannula via mouth or nose; supports operation such as sputum suction and oxygen inhalation, etc.
4. Supports tracheotomy postoperative care and oral cavity care.
5. Manually generate carotid pulse.
6. Pupils (LCD): normal, mydriasis and pinpoint-like.
