1. The maxillary sinus puncture training can be performed on the left and right nasal cavity of the model, and a successful breakthrough can be achieved by puncturing the inferior turbinate.
2. The maxillary sinus cavity can be flushed with pus, and the fluid and pus can be seen flowing out of the maxillary sinus opening of the middle meatus.
3. This model is an adult male head with real human skin texture. The model material feels real.
4. The model can undergo repeated puncture training.
5. The model is compact and easy to handle.