Electro-acoustic implant system

Electro-acoustic implant systems (EAS) offer a hearing solution for people who hear some low frequencies, but whose hearing of high frequencies is significantly weakened. In practice, the EAS combines the technology of an acoustic hearing aid and a cochlear implant in a synchronised manner, which is why it is often referred to as a hybrid implant. In this case, the hearing environment can be made as natural as possible, even though two different technologies are utilised in its production.

Low-frequency information is directed to the hearing aid, which amplifies the sound acoustically. Like traditional ear canal hearing aids, the sound moves down a pipe to the ear canal via the ear piece. High frequencies, on the other hand, are processed by the cochlear implant, which converts them into electrical impulses that directly stimulate the auditory nerve.

Electro-acoustic implant systems expand the number of people that potentially could benefit from a cochlear implant, since the risk low-frequency hearing loss in a cochlear implant surgery is reduced. The electrode of an electro-acoustic implant system is thinner and shorter than in a conventional cochlear implant, thus it is saves the remaining auditory nerves better.


  1. Arvind says:

    My friend is surnifefg from hearing impairment and initially he was hesitant to buy hearing aids, neither an analog one nor a digital hearing aid. I took a lot of initiative and learnt a lot about hearing aids in order to help him. Finally he agreed to go for digital hearing aids. I explained to him that though they are expensive, hearing aids are worthy investment in life. Now I can see that his life has changed a lot, improved in a lot of ways. He is enjoying each and every moment of his life. I even started to blog about hearing aids these days. Thanks for the post.

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    1. Ulla Konkarikoski says:

      Thank you for you positive feedback!

  3. mynewrc says:

    Great post!!! I found a Dr in the city I live. And am going to set an appointment. Thanks!

    1. Pinja Aaltonen says:

      Thank you for your positive feedback and good luck!

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