Title 21: Food and Drugs
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/ PART 868 - ANESTHESIOLOGY DEVICES
/ Subpart B - Diagnostic Devices / § 868.1800 Rhinoanemometer.
§ 868.1800 Rhinoanemometer.
(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).