It was reported to boston scientific corporation that an ultraflex tracheobronchial covered distal release stent was to be implanted in the bronchus to treat a bronchial stenosis during a procedure performed on (b)(6) 2023.The patient's anatomy was dilated prior to stent placement.During the procedure, the stent did not fully release from the delivery system due to patient's bronchial stenosis being too narrow.The stent was removed from the patient partially deployed on the delivery system.However, it was noticed that after withdrawal of the delivery system, the silicone sleeve at the anterior end of the delivery system has fallen into the patient's bronchus.The fallen part was clamped out with foreign body forceps.The procedure was not completed, and no new stent was implanted in the patient.The patient was subsequently treated conservatively, and there were no abnormalities to the patient.The patient's current condition was reported to be stable.
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