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  1. 2021年10月19日 · October 19, 2021. Español 简体中文. Today, the U.S. Food and Drug Administration issued a landmark proposal intended to improve access to and reduce the cost of hearing aid technology for millions of...

  2. A hearing aid is a medical device that is intended to help with hearing loss and is worn behind or within the ear canal. The FDA regulates all hearing aids to ensure safety and effectiveness...

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  4. The FDA recently established a new category of over the counter (OTC) hearing aids so people 18 years of age and older with perceived mild to moderate hearing loss can buy one in the store or...

  5. 2023年5月3日 · This site provides general information on hearing aids including benefit and safety information, types and styles, how to get and buy a hearing aid, and use with cell phones.

    • Air-Conduction vs. Bone-Conduction Hearing Aids
    • Medical Evaluation For Children
    • Over-The-Counter (OTC) Hearing Aids
    • Hearing Aids vs. Personal Sound Amplification Products

    Most hearing aids work through air conduction. They bring amplified sound into the ear canal. Sound then moves through the eardrum and three tiny bones in the middle ear to reach the inner ear, where it’s processed and sent to the brain. For people who have problems with their outer or middle ear, those areas can be bypassed with bone-conduction he...

    While hearing loss in adults is often caused by aging or noise exposure, the reasons for hearing loss in children are more varied and may be associated with other medical conditions that should be medically evaluated before prescribing hearing aids. OTC hearing aids are not intended for and must not be sold to people younger than 18 years of age. H...

    To broaden access to hearing aids, the FDA established a new category of OTC hearing aids so you will be able to buy one in the store or online without seeing a physician for an exam or an audiologist for help with fitting. The new FDA regulation, which implements a law from Congress, also aims to stimulate competition, providing consumers with imp...

    You may have seen products in stores or online that are known as personal sound amplification products (PSAPs). These are not alternatives to hearing aids. While hearing aids and PSAPs both amplify sound for the user, the products have different intended uses. Hearing aids are intended to make up for impaired hearing. PSAPs, in contrast, are intend...

  6. 2022年10月17日 · Guidance Issuing Office. Center for Devices and Radiological Health. This guidance document identifies applicable legal requirements under the Federal Food, Drug, and Cosmetic Act (the FD&C Act)...

  7. 助听器及其工作原理. 一个人可能生来就有听力损失,或在以后的生活中出现听力损失,其原因通常是因为内耳可能会随着年龄的增长而“磨损”,或者因多年暴露在嘈杂的环境中而受损。 在某些情况下,听力损失是暂时的,可以通过医疗帮助来得到恢复;在另一些情况下,听力损失是永久性的,但可以通过佩戴助听器来得到改善。 助听器属于医疗设备 ,佩戴在使用者的耳朵后面或插入耳道内。...

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