Product Components：
Fixed model parts : model base and upper cover, nasal cavity, oral cavity, throat, esophagus, stomach, and duodenum

Functions：
Gastroscopy examination, upper gastrointestinal biopsy, and polypectomy are used for surgical training, performance testing, and functional demonstration of surgical instruments related to endoscopic intervention diagnosis and treatment of the upper gastrointestinal tract

Other Characteristics：
Based on CT data of adult upper gastrointestinal tract, soft silicone material was designed and manufactured. The models of mouth, nose, throat, esophagus, stomach, and duodenum are highly similar to the anatomical structures of the human body, and the operation feels realistic.