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e-CFR data is current as of March 4, 2021

Title 21Chapter ISubchapter HPart 874Subpart B → §874.1925


Title 21: Food and Drugs
PART 874—EAR, NOSE, AND THROAT DEVICES
Subpart B—Diagnostic Devices


§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.

[51 FR 40389, Nov. 6, 1986, as amended at 65 FR 2316, Jan. 14, 2000]

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