SLB can be achieved with a Coopdech endobronchial blocker tube (COOPDECH™, Osaka, Japan),3an Arndt® wire-guided endobronchial blocker (Cook Inc., Bloomington, IN)4-6 or with an embolectomy catheter,7 can be used through a single-lumen endotracheal tube (ETT), attached to a single-lumen ETT with a sided channel (Univent tube),2 or placed under direct laryngoscopy.7