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This invention belongs to the field of medical device technology. It discloses an adjustable video bronchial isolation catheter, comprising a ventilation catheter for inserting into a patient's bronchus to block and isolate the ipsilateral lung, and which, when necessary, is also used for ventilation, aspiration, and flexible bronchoscopy; and a video device mounted on the ventilation catheter. The distal portion of the ventilation catheter has a central axis deviation forming a bend, constituting a bend section of the tube. The camera of the video device is located at the junction of the proximal end of the bend section and the adjacent tube at that end, providing a wide field of view for guiding the insertion of the ventilation catheter and for positioning and dynamic monitoring of the catheter. This invention has the advantages of guiding and positioning the insertion of the bronchial isolation catheter to reduce airway damage to the patient, and dynamically monitoring the use of the bronchial isolation catheter.