Fixing device for airway humidifying tube and oxygen catheter of tracheotomy non-mechanical ventilation patient

The utility model mainly relates to the technical field of medical instruments, in particular to a fixing device for an airway humidifying tube and an oxygen catheter of a tracheotomy non-mechanical ventilation patient, a turning cover is arranged at the top of a fixing body, and a round hollow connecting block is fixedly arranged on the right side wall of the fixing body in a penetrating mode. Limiting grooves are formed in the inner side walls of a first fixing structure and a second fixing structure which are arranged at the right end of the circular hollow connecting block, a fixing hoop is arranged on the outer side of each fixing structure, a first connecting block and a second connecting block which are provided with through holes are arranged on one side of each fixing hoop, and a bolt penetrates through the through holes to be spirally connected with a nut; fixing clamping grooves are formed in the bottoms of the left side wall and the right side wall of the fixing body respectively, an opening is fo