RESPIRATORY TRACT TIP CLEANING DEVICE FOR FIBER BRONCHOSCOPE

A respiratory tract tip cleaning device for a fiber bronchoscope. The respiratory tract tip cleaning device comprises a control host (8), a water injection device (7), a sputum recovery device (9), an operating handle (13) and a main insertion tube (15), wherein one end of the main insertion tube (15) is inserted into the bronchus of a patient, and a flushing tube (2), a liquid suction tube (1) and an outer tube bent steel wire are integrated in an outer tube (5) of the main insertion tube (15); a liquid suction hole is provided at the center of the end of the main insertion tube (15) inserted into the bronchus of the patient and is in communication with the liquid suction tube (1), an endoscope lens (4) and an illumination light source (3) are mounted around the liquid suction hole, a data line of the endoscope lens (4) penetrates the main insertion tube (15) and the operating handle (13) to be electrically connected to an endoscope host (10), and the illumination light source (3) is electrically connected t