Usually, the idea of hearing aids invokes the idea of conventional devices that raise the volume of sound through the canal of the ear. But for people with specific types of hearing loss, especially those dealing with persistent ear problems or single-sided deafness, a different type 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. Rather than transmitting sound through the air, they transmit vibrations through the bones of the head to the inner ear (cochlea), where the sound is processed. This allows sound to get to the auditory nerve even when there is an obstruction or injury in the ear canal. Think of it this way: If you’ve ever plugged your ears and still heard your voice when talking, that’s bone conduction.
Distinction between Bone Conduction and Conventional Hearing Aids
Conventional hearing aids increase sound and send it into the ear canal. This works effectively for people with sensorineural hearing loss, where the inner ear or auditory nerve is damaged. But if the problem is with the outer or middle ear, due to infection, fluid buildup, or structural problems, conventional hearing aids might not be reliable or comfortable. Bone conduction hearing devices are typically a better option in these instances because they bypass the issue areas and send sound directly to your cochlea.
Bone Conduction Candidates
Bone conduction devices are beneficial for:
- Conductive hearing loss, when sound has difficulty moving through the outer or middle ear at all.
- Relentless ear infections or problems with fluid drainage could be intensified by conventional hearing aids.
- People with flawed ear canals or the absence of outer ears, who might not qualify for conventional devices.
- A condition known as one-sided deafness, where a person experiences significant or total hearing loss in one ear. These devices provide a non-invasive alternative that is often more comfortable, especially for children and adults with recurring ear issues.
Implantable vs. Non-Implantable Options:
There are two primary kinds of bone conduction hearing devices:
- Non-implantable (worn externally): These are typically held in place with a headband, softband, or sticky pad. They are perfect for children, those trying out bone conduction for the first time, or people who are not prepared for surgery.
- Surgically embeded devices involve a tiny device placed underneath the skin, which is connected to a separate sound processor mounted outside the body. They usually offer more robust performance and reliability for long-term users. A professional evaluation by an audiologist or ENT specialist will identify the most suitable solution for you, taking into account your age, particular anatomy, and personal hearing objectives.
Key Benefits of Bone Conduction Hearing Devices
- Comfortable for sensitive ears– no need to place anything inside the ear canal
- Clear sound quality, even with persistent ear issues
- Excellent for distinct anatomy– helpful for people born without a full outer ear or with other structural variations
- Enhanced communication– especially in school, work, or noisy environments
If you or your child struggles with hearing in one or both ears, especially as a result of persistent infections or conductive issues, bone conduction hearing devices might be worth exploring.
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