Product introduction：

1.Painless gastroscopy and fiberoptic bronchoscopy can be carried out while continuous ventilation.
2.The bite block is inserted in the oral operation hole in case the endoscope is bitten.
3.Gastroscopy examination and sputum suction can be realized in the oral operation hole.
4.Nasal operation hole is provided. Fiberoptic bronchoscopy examination and nasopharyngeal airway insertion is allowed via nasal cavity when upper airway obstruction occurs.
5.Sealing valve is set to further guarantee the sealability of the mask.

Size：3#(10MM),4#(12MM),5#(10MM),5#(12MM)
Type：Normal