Product Description
Painless gastroscopy and fiberoptic broncoscopy can be carried out while continous ventiletion, and the patient is more safe.
The bite block part can offer occlusal location to avoid the endoscope being bitten eassily.
allows fiberoptic broncoscopy through nasel cavity when upper airway obstruction occurs.
sets a seali valve, further guantee the sealability of the mask.