1. Upper torso of adult male. It can realize a varietyof positions during gastric lavage: supine position, leftdecubitus position

2. Precise anatomical structure, include: nasalcavity, oral cavity, teeth, tongue, trachea, bronchi,esophagus, stomach, diaphragmatic muscle, gallbladder, pancreas,spleen, duodenum, colon, etc.

3. Practice tracheotomy nursing care

4. Transparent abdominal wall for convenient observationof operation process

5. Gastric lavage: gastric lavage by oral/nasal

6. Gastrointestinal decompression and gastric juicecollection

7. Nasal feeding, oxygen inhalation, mouth care, sputumsuction

8. After the operation, the remaining liquid in thedigestive tract can be conveniently discharged fromthe special pipeline

9. With lighting system: indicator lights demonstrate theanatomical position of the common bile duct,duodenal curvature, gallbladder body, andfundus of the gallbladder