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Metallic tracheal stents designed to be expanded after delivery using a high-pressure balloon, applying a constant radial pressure to the bronchial walls. Some of these stents are radiopaque or include radiopaque markers for accurate positioning. Balloon-expandable tracheal stents are typically deployed under local anesthetics using flexible bronchoscopes; they are mostly used to treat stenosis caused by injuries, benign diseases, or malignant tumors.
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