GroundRules
21 CFR 874.1925: Toynbee diagnostic tube.
Where this section sits in the code
- Title 21—Food and Drugs
- CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES
- SUBCHAPTER H—MEDICAL DEVICES
- PART 874—EAR, NOSE, AND THROAT DEVICES
- Subpart B—Diagnostic Devices
(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.
Collected 2026-08-27T02:24:47Z. Source file · JSON