21 CFR 874.1925
§ 874.1925 Toynbee diagnostic tube.
United States · 21 CFR — Food and Drugs · Status: effective
Cite this
- Citation
- 21 CFR 874.1925, § 874.1925 Toynbee diagnostic tube, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/90204
- Permanent ID
ys:prov:90204@1- SHA-256
78f6e7c02453ba275e83da163e3578813a8578f58adc6c7b0a5db098c03bed7c
The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.
Full text
(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.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.