A new technique to facilitate lung lavage for pulmonary alveolar proteinosis in a 3-month-old infant: Bronchial-blocker-out-of-endotracheal-tube technique

•In our case, we modified the double-tube technique by replacing Foley catheter with a tappa BB.•It has a hollow tube for rapid evacuation of residual gases in the isolated lung.•It performed the lavage safely and effectively in our patient