Bone conduction hearing devices | 合法醫療器材資訊網

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The inner ear receives sound vibrations in two different ways; through the ear canal, ear drum and middle ear (air conduction) and through the skull bone (bone conduction). Conventional hearing aids work using air conduction but for a number of reasons some deaf children can’t wear conventional hearing aids. A bone conduction hearing device works better for them because of the type of deafness that they have.

A bone conduction hearing device (also known commonly as a BAHA) works by transmitting sound vibrations through the bone. The sound processor converts the sound picked up by its microphone into vibrations. The sound processor then transmits the vibrations through the bones of the skull to the cochlear of the inner ear. The inner ear then converts these (sound) vibrations into elect...