Typically, the idea of hearing aids invokes the idea of conventional devices that boost sound through the canal of the ear. But for people with certain types of hearing loss, especially those dealing with chronic ear problems or single-sided deafness, a different kind of technology could provide better quality and comfort: bone conduction hearing devices.
The Capability of Bone Conduction Hearing Devices
With bone conduction hearing devices, the outer and middle ear are bypassed. Rather than transmitting 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 when the ear canal is obstructed or damaged, sound can still reach the auditory nerve. Think of it like this: If you’ve ever plugged your ears and still been able to hear your voice when talking, that’s bone conduction.
Distinction between Bone Conduction and Traditional Hearing Aids
Standard hearing aids increase sound and send it into the ear canal. This approach is especially helpful for individuals who have experienced damage to the inner ear or the nerve in charge of transmitting sound, causing sensorineural hearing loss. But if the problem is with the outer or middle ear, as a result of infection, fluid buildup, or structural issues, conventional hearing aids might not be reliable or comfortable. Bone conduction hearing devices are often a more effective alternative in such scenarios as they steer clear of the problematic regions and transmit sound directly to the cochlea.
Bone Conduction Candidates
Situations where bone conduction devices are appropriate:
- Sound waves are unable to travel through the outer or middle ear, leading to conductive hearing loss.
- Persistent ear infections or issues with fluid drainage could be intensified by conventional hearing aids.
- People with misshapen ear canals or missing outer ears, who may not be prospects for conventional devices.
- A condition called one-sided deafness, where a person experiences significant or complete hearing loss in one ear. These devices offer a non-invasive option that is frequently more comfortable, particularly for children and adults who have persisting ear issues.
Implantable vs. Non-Implantable Options:
There are two main types of bone conduction hearing devices:
- External non-implantable devices are usually fastened with a headband, softband, or adhesive pad. They are excellent for children, those experimenting with bone conduction for the first time, or people who are not prepared for surgery.
- Implantable (surgically placed): These devices consist of a small implant under the skin that connects to an external sound processor. Long-term users often find that they supply more robust and dependable results. Your audiologist or ENT specialist can help decide which option is right based on your age, anatomy, and hearing goals.
Key Advantages of Bone Conduction Hearing Devices
- Suitable for sensitive ears – does not require insertion into the ear canal
- Clear sound quality, even with chronic ear issues
- Ideal for individuals with distinct physical characteristics – this alternative is particularly beneficial for people with congenital conditions affecting the outer ear or other physiological variations.
- Enhanced communication– particularly in school, work, or noisy environments
If you or your child copes with hearing in one or both ears, especially due to persistent infections or conductive issues, bone conduction hearing devices could be worth exploring.
Book an appointment with an audiologist today to get more 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