· real nutrition is injected to enhance the overall impression

· able to hear the real sound of air passing through water with stethoscope at the position of xiphoid process (simulated human stomach volume is about 200ml)

· following the most rigorous anatomical relations, the viscera of the model is designed as transparent material, and the intubation path from the nasal cavity to the stomach can be visually confirmed

· a sagittal display model with emphasis on anatomical interpretation is also available, which clearly shows the status of various catheter insertion, including nasogastric feeding tube, tracheal intubation, and gastric fistula, all of which are detachable and intuitive.

· injected with real nutritive agents to enhance the overall impression ## can hear the real sound of air passing through water with stethoscope at the position of xiphoid process (simulated human stomach volume is about 200ml)

· following the most rigorous anatomical relations, the viscera of the model is designed as transparent material, and the intubation path from the nasal cavity to the stomach can be visually confirmed

· a sagittal display model with emphasis on anatomical interpretation is also available, which clearly shows the status of various catheter insertion, including nasogastric feeding tube, tracheal intubation, and gastric fistula, all of which are detachable and intuitive.