Deep canal aids are placed completely inside your ear canal about four millimetres from the eardrum. They must be positioned by a trained audiologist or hearing aid dispenser but no surgery is required. They can be worn 24 hours a day (including in the shower or sleeping).
The battery lasts for up to 120 days, at which time the entire aid must be replaced. Each patient receives a small hook just long enough to remove the aid in an emergency situation. A keychain device is used to increase or decrease volume or turn off the device.
Deep canal aids users
The device is most appealing to those who do not want a visible hearing aid or one that cannot be used during athletics.
It is only suitable if your hearing loss is mild to moderate and if there is no problem with the ear canal or ear infections. Deep canal aids cannot be used by everyone. In some cases
- the ear canal is not straight enough to insert aids into their proper position
- the hearing loss is too severe
- the recipient produces excess earwax causing the microphone or circuitry to clog up
Source: The facts about hearing aids, a periodical published by The Royal National Institute for Deaf People (RNID);www.healthyhearing.com
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