Usually, the idea of hearing aids invokes the thought of conventional devices that boost sound through the canal of the ear. But for people with certain types of hearing loss, particularly those coping with chronic ear issues or single-sided deafness, a distinct kind of technology could offer 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 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 allows sound to reach the auditory nerve even when there is an obstruction or injury in the ear canal. Consider this example: When you put your hands over your ears and are still able to hear the sound of your own voice when talking, that’s an illustration of bone conduction at work.
Bone Conduction vs. Conventional Hearing Aids
Traditional hearing aids boost sound and funnel it through the ear canal. This works well for people who have sensorineural hearing loss, where the inner ear or auditory nerve is compromised. But if the problem is with the outer or middle ear, as a result of infection, fluid buildup, or structural problems, conventional hearing aids might not be effective or comfortable. Bone conduction hearing devices are often a better solution in these cases because they skip over the issue areas and send sound straight to your cochlea.
Bone Conduction Candidates
Situations where bone conduction devices are appropriate:
- Sound waves are not able to travel through the outer or middle ear, resulting in conductive hearing loss.
- Persistent ear infections or problems with fluid drainage could be aggravated by conventional hearing aids.
- People with misshapen ear canals or missing outer ears, who may not be candidates for traditional devices.
- A condition known as one-sided deafness, where a person experiences substantial or complete hearing loss in one ear. These devices offer a non-invasive option that is frequently more comfortable, particularly for children and adults with recurring ear issues.
Implantable vs. Non-Implantable Options:
There are two principal classifications of bone conduction choices: Implantable and non-implantable devices.
- Non-implantable (worn externally): These are typically kept in place with a headband, softband, or adhesive pad. They’re suitable for children, individuals trying bone conduction for the first time, or individuals not ready for surgery.
- Surgically implanted devices consist of a tiny device placed underneath the skin, which is connected to a separate sound processor mounted outside the body. They usually offer stronger performance and stability for long-term users. A professional evaluation by an audiologist or ENT specialist will determine the most appropriate option for you, taking into account your age, individual anatomy, and personal hearing objectives.
Perks of Using Bone Conduction Hearing Devices
- Ideal for sensitive ears – does not require insertion into the ear canal
- Clear sound quality, despite having persistent ear problems
- Great for unique anatomy– helpful for individuals born without a full outer ear or with other structural differences
- Enhanced communication is especially advantageous in instructional settings, professional environments, or loud surroundings
If you or your child struggles with hearing in one or both ears, especially due to persistent infections or conductive issues, bone conduction hearing devices might be worth exploring.
Make 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