Fig. 2From: Anesthetic management of tracheal stent extraction using a double gum elastic bougie techniqueRemoval of the AEROTM stent in this case. a The AEROTM stent is a full-coverage stent in which the entire wall of the metal stent is covered with a polyurethane membrane. Because the entire metal part is covered by the membrane, it does not become implanted into the airway and is easy to remove and modify. b The inside of the stent has a hydrophilic coating, which reduces fluid retention and is flexible enough to be removedBack to article page