It was reported to boston scientific corporation on (b)(6) 2019 that an ultraflex tracheobronchial covered distal release stent was to be used to treat a broncho-pleural fistula in the right main bronchus during a tracheal stent implantation procedure performed on (b)(6) 2019.Reportedly, patient's anatomy was dilated prior to stent placement.According to the complainant, during the procedure, the stent was able to be deployed.However, it was noticed that the stent failed to expand.The physician used a balloon catheter to dilate the stent but the stent could not be fully expanded, and the stent sipped towards the distal end of the bronchus.The stent was removed with forceps and another ultraflex tracheobronchial stent was placed to complete the procedure.There were no patient complications reported as a result of this event.The patient's condition following the procedure was reported to be stable.
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