Skip to main content
Fig. 2 | BMC Gastroenterology

Fig. 2

From: Comparison of the innovative endoscopic oropharyngeal airway and the conventional mouthpiece in elderly outpatients undergoing esophagogastroduodenoscopy under sedation: a prospective and randomized study

Fig. 2

Pictorial depiction of the innovative endoscopic oropharyngeal airway. (1) oxygen supply channel, an oxygen tube is placed to supply oxygen to the pharynx; (2) gastroscope channel, convenient for gastroscope insertion and straight to the pharynx; (3) suction channel, sputum suction tube is placed to suction oropharyngeal secretions; (4) transparent mouthpiece, prevent biting and protect gastroscope; (5) pharyngeal airway, positioned from oral cavity to pharyngeal cavity to avoid airway collapsing; (6) mouthpiece lace

Back to article page

BMC Gastroenterology

ISSN: 1471-230X

Contact us