868.5740—Tracheal/bronchial differential ventilation tube.
               		
               	 	
               	 	
               	 	               	 	               	 	               	 	               	 	
               	 	
    
        
        (a) Identification.
         A tracheal/bronchial differential ventilation tube is a device used to isolate the left or the right lung of a patient for anesthesia or pulmonary function testing.
     
    
        
        (b) Classification.
         Class II (performance standards).