21 CFR 874.3300 : Food And Drugs (§ 1.1 To Parts 1403-1499) — (Subpart A To Parts 1272-1299) — Food And Drug Administration, Department Of Health And Human Services (Continued) (Subpart A To Parts 1272-1299) — Medical Devices (Subpart A To § 898.14) — Ear, Nose, And Throat Devices (§ 874.1 To § 874.5900) — Prosthetic Devices (§ 874.3300 To § 874.3950) — Hearing Aid.

(a) Identification. A hearing aid is wearable sound-amplifying device that is intended to compensate for impaired hearing. This generic type of device includes the air-conduction hearing aid and the bone-conduction hearing aid, but excludes the group hearing aid or group auditory trainer (§ 874.3320), master hearing aid (§ 874.3330), and tinnitus masker (§ 874.3400).

(b) Classification. (1) Class I (general controls) for the air-conduction hearing aid. The air-conduction hearing aid is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to § 874.9.

(2) Class II for the bone-conduction hearing aid.