CFR › Title 21 › Part 868 › §868.517021 CFR §868.5170Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Identification. A laryngotracheal topical anesthesia applicator is a device used to apply topical anesthetics to a patient's laryngotracheal area.(b)Classification. Class II (performance standards).