Section 868.5350 - Nasal oxygen catheter(a)Identification. A nasal oxygen catheter is a device intended to be inserted through a patient's nostril to administer oxygen.(b)Classification. Class I (general controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 868.9 .47 FR 31142, July 16, 1982, as amended at 59 FR 63007, Dec. 7, 1994; 66 FR 38794 , July 25, 2001