The small, cylindrical steel airway is used to prop open the patient's mouth to allow air into the lungs. The opening has a wide, curved lip and is covered with T-shaped grating which prevents its use with an endotracheal tube as a bite block.mouth gag, mouth prop, bite blocker, c langton hewer, anaesthesia, endotracheal, airway, oral apparatus, tongue

Stainless steel tongue depressor with tightly curved distal end and slightly curved L-shaped proximal end. Includes a provision for an electronic light source to illuminate indside the patient's mouth.boyle-davis, gag, tongue depressor, oral apparatus, anaesthetic, anax, boyle gag, davis tongue depressor