Section 868.6810 - Tracheobronchial suction catheter(a)Identification. A tracheobronchial suction catheter is a device used to aspirate liquids or semisolids from a patient's upper airway.(b)Classification. Class 1 (general controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to § 868.9 .47 FR 31142, July 16, 1982, as amended at 65 FR 2314 , Jan. 14, 2000