1. The head can be tilted back and forth, allowing easy operation.
2. Bronchoscopy: Optical fiber bronchoscopy can be performed through the nasal cavity. The nasal cavity is relatively spacious and soft. The trachea and bronchial tree are flexible and flexible, minimizing the possibility of
damage to the instrument.
3. Supports hard bronchoscopy.
4. Endotracheal intubation via mouth, when pressure on teeth is too large, there will be alarm
