21 C.F.R. § 882.1340 Nasopharyngeal electrode.
Title 21 - Food and Drugs
(a) Identification. A nasopharyngeal electrode is an electrode which is temporarily placed in the nasopharyngeal region for the purpose of recording electrical activity. (b) Classification. Class II (performance standards).
Title 21: Food and Drugs
PART 882—NEUROLOGICAL DEVICES
Subpart B—Neurological Diagnostic Devices
§ 882.1340 Nasopharyngeal electrode.

