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Fig. 1 | BMC Anesthesiology

Fig. 1

From: Effects of lubrication on air-sealing performance of a pediatric cuffed tracheal tube

Fig. 1

Experimental setup for the in vitro assessment of air leakage

A tracheal model was intubated with a pediatric cuffed endotracheal tube that was connected to a test lung. An anesthesia machine was connected to the endotracheal tube to ventilate the test lung. We placed a gas sampling tube just above the cuff to confirm air leakage by detecting an increase in oxygen concentration after changing the inspiratory gas from air to oxygen.

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