21 C.F.R. § 868.1800 Rhinoanemometer.
Title 21 - Food and Drugs
(a) Identification. A rhinoanemometer is a device used to quantify the amount of nasal congestion by measuring the airflow through, and differential pressure across, a patient's nasal passages. (b) Classification. Class II (performance standards).
Title 21: Food and Drugs
PART 868—ANESTHESIOLOGY DEVICES
Subpart B—Diagnostic Devices
§ 868.1800 Rhinoanemometer.
