Typically, the idea of hearing aids conjures up the thought of conventional devices that raise the volume of sound through the canal of the ear. But for people with certain kinds of hearing loss, especially those coping with chronic ear issues or single-sided deafness, a different kind of technology could offer better quality and comfort: bone conduction hearing devices.
The Capability of Bone Conduction Hearing Devices
Bone conduction hearing devices work by bypassing the outer and middle ear. Instead of sending sound through the air, they transfer vibrations through the bones of the skull to the inner ear (cochlea), where the sound is processed. This means that even if the ear canal is blocked or damaged, sound can still get to the auditory nerve. Think about this example: When you cover your ears and are still able to hear the sound of your own voice while talking, that’s an illustration of bone conduction working.
Bone Conduction vs. Conventional Hearing Aids
Conventional hearing aids amplify sound and funnel it through the ear canal. This strategy is particularly effective for individuals who have experienced damage to the inner ear or the nerve in charge of transferring sound, resulting in sensorineural hearing loss. But if the issue is with the outer or middle ear, as a result of infection, fluid buildup, or structural problems, conventional hearing aids may not be reliable or comfortable. Bone conduction hearing devices are often a more effective alternative in such scenarios as they avoid the problematic regions and transmit sound directly to the cochlea.
Best Candidates For Bone Conduction
Situations where bone conduction devices are appropriate:
- Sound waves are not able to pass through the outer or middle ear, leading to conductive hearing loss.
- Persistent ear infections or issues with fluid drainage could be aggravated by conventional hearing aids.
- Individuals with deformed ear canals or the absence of outer ears, who might not qualify for traditional devices.
- Single-sided deafness (SSD), where one ear has profound hearing loss or no hearing. These gadgets offer a non-intrusive option that is typically more comfortable, especially for individuals, both young and old, who experience recurring ear problems.
Implantable vs. Non-Implantable Solutions:
There are two primary categories of bone conduction options: Implantable and non-implantable devices.
- External non-implantable devices are usually secured with a headband, softband, or adhesive pad. They are excellent for kids, those trying out bone conduction for the first time, or individuals who are not prepared for surgery.
- Surgically embeded devices involve a tiny device inserted underneath the skin, which is linked to a separate sound processor mounted outside the body. Long-term users typically find that they supply more robust and reliable results. A professional evaluation by an audiologist or ENT specialist will identify the most suitable option for you, considering your age, individual anatomy, and personal hearing objectives.
Key Advantages of Bone Conduction Hearing Devices
- Ideal for sensitive ears – does not require insertion into the ear canal
- Clear sound quality, despite having chronic ear issues
- Great for distinct anatomy– helpful for individuals born without a full outer ear or with other structural differences
- Improved communication– particularly in school, work, or noisy settings
If you or your child has difficulty hearing in one or both ears, especially because of recurring infections or problems with sound transmission, it might be beneficial to consider bone conduction hearing devices.
Make an appointment with an audiologist today to get further information.
Sources: https://www.dukehealth.org/treatments/ear-nose-and-throat/bone-conduction-hearing-aid https://www.hopkinsmedicine.org/health/treatment-tests-and-therapies/baha–the-implantable- hearing-device https://www.ndcs.org.uk/advice-and-support/all-advice-and-support-topics/hearing-aids- implants-and-assistive-technology/ hearing-aids-and-implants/ bone-conduction-devices https://my.clevelandclinic.org/health/treatments/14794-bone-anchored-auditory-implant