QUH · Self-Fitting Air-Conduction Hearing Aid, Over The Counter

Ear, Nose, Throat · 21 CFR 874.3325 · Class 2

Overview

Identification

A self-fitting air-conduction hearing aid is a wearable sound amplifying device that is intended to compensate for impaired hearing and incorporates technology, including software, that allows users to program their hearing aids. This technology integrates user input with a self-fitting strategy and enables users to independently derive and customize their hearing aid fitting and settings. A self-fitting air-conduction hearing aid is subject to the requirements in § 800.30 or § 801.422 of this chapter, as applicable.

Classification Rationale

Class II (special controls). The special controls for this device are:

Special Controls

In combination with the general controls of the FD&C Act, the self-fitting air-conduction hearing aid is subject to the following special controls: - 1. Clinical data must evaluate the effectiveness of the self-fitting strategy. - 2. Electroacoustic parameters, including maximum output limits, distortion levels, selfgenerated noise levels, latency, and frequency response, must be specified and tested. - 3. Performance data must demonstrate the electromagnetic compatibility (EMC), electrical safety, and thermal safety of the device. - 4. Software verification, validation, and hazard analysis must be performed. - 5. If the device incorporates wireless technology: - (A) Performance testing must validate safety of exposure to non-ionizing radiation; - (B)Performance data must validate wireless technology functions; and - (C) Labeling must specify instructions, warnings, and information relating to wireless technology and human exposure to non-ionizing radiation. - 6. Usability testing must demonstrate that users can correctly use the device as intended under anticipated conditions of use. - 7. Patient labeling must include the following: - (A)Information on how a patient can self-identify as a candidate for the device; - (B) Information about when to seek professional help; - (C) A warning about using hearing protection in loud environments; - (D) A warning about staying alert to sounds around the user of the device; - (E) Technical information about the device, including information about electromagnetic compatibility; and - (F) Information on how to correctly use and maintain the device.

*Classification.* Class II (special controls). The special controls for this device are:(1) Clinical data must evaluate the effectiveness of the self-fitting strategy. (2) Electroacoustic parameters, including maximum output limits, distortion levels, self-generated noise levels, latency, and frequency response, must be specified and tested. (3) Performance data must demonstrate the electromagnetic compatibility (EMC), electrical safety, and thermal safety of the device. (4) Software verification, validation, and hazard analysis must be performed. (5) If the device incorporates wireless technology: (i) Performance testing must validate safety of exposure to non-ionizing radiation; and (ii) Performance data must validate wireless technology functions. (6) Usability testing must demonstrate that users can correctly use the device as intended under anticipated conditions of use.

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