Regulation of Hearing Aids in the US, Part 6 (it’s a long story)

The 1977 Final Rule Revisited… Revisited… Revisited …and Kept   Technological progress and market needs moved the industry forward, but the Final Rule remained as stated in 1977.  For example, in 1985, the FDA approved the Nuclear 22 Channel Cochlear Implant system for general use in adult patients with profound hearing loss after the device…

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Regulation of Hearing Aids in the US, part 2

Electronic Hearing Aids At the turn of the 19th century, hearing aids underwent a technological revolution by emulating telephone technology.  The first electronic hearing aids used carbon microphones that modulated electrical current in response to sound pressure variations. Hearing Aids Become a Business Batteries and electronic components created a market for wearable amplification among people…

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