Title 21: Food and Drugs
« Home / Title 21 - Food and Drugs--Volume 8 / CHAPTER I - FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) / SUBCHAPTER H - MEDICAL DEVICES
/ PART 874 - EAR, NOSE, AND THROAT DEVICES
/ Subpart B - Diagnostic Devices / § 874.1925 Toynbee diagnostic tube.
§ 874.1925 Toynbee diagnostic tube.
(a) Identification. The toynbee diagnostic tube is a listening device intended to determine the degree of openness of the eustachian tube.
(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 § 874.9.