21 C.F.R. § 874.1925 Toynbee diagnostic tube.
Title 21 - Food and Drugs
(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]
Title 21: Food and Drugs
PART 874—EAR, NOSE, AND THROAT DEVICES
Subpart B—Diagnostic Devices
§ 874.1925 Toynbee diagnostic tube.
