When most individuals think of hearing aids, they think of conventional devices that boost sound through the ear canal. But for individuals with specific types of hearing loss, particularly those coping with persistent ear problems or single-sided deafness, a different type of technology could provide better clarity and comfort: bone conduction hearing devices.
The Functionality of Bone Conduction Hearing Devices
Bone conduction hearing devices work by bypassing the outer and middle ear. Instead of transmitting sound through the air, they transmit vibrations through the bones of the skull to the inner ear (cochlea), where the sound is processed. This allows sound to get to the auditory nerve even if there is a blockage or injury in the ear canal. Think of it like this: If you’ve ever stopped up your ears and still been able to hear your voice when talking, that’s bone conduction.
Distinction between Bone Conduction and Traditional Hearing Devices
Conventional hearing aids increase sound and send it into the ear canal. This works well for people who have sensorineural hearing loss, where the inner ear or auditory nerve is damaged. On the other hand, if there are issues with the outer or middle ear caused by infection, fluid accumulation, or structural concerns, standard hearing aids may not work well or be comfortable. Bone conduction hearing devices are often a better solution in these cases because they bypass the issue areas and send sound directly to your cochlea.
Best Candidates For Bone Conduction
Situations where bone conduction devices are appropriate:
- Sound waves are unable to pass through the outer or middle ear, leading to conductive hearing loss.
- Persistent ear infections or drainage issues, where traditional hearing aids could aggravate the condition.
- Individuals with malformed ear canals or missing outer ears, who may not be prospects for conventional devices.
- A condition known as unilateral deafness, where a person experiences substantial or total hearing loss in one ear. These devices provide a non-invasive alternative that is often more comfortable, particularly for children and adults with recurring ear issues.
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 fastened with a headband, softband, or adhesive pad. They are excellent for kids, those experimenting with bone conduction for the first time, or individuals who are not prepared for surgery.
- Implantable (surgically placed): These devices include a small implant under the skin that connects to an external sound processor. Long-term users often find that they supply more effective and reliable results. Your audiologist or ENT specialist can help decide which option is right based on your age, anatomy, and hearing goals.
Perks of Using Bone Conduction Hearing Devices
- Suitable for sensitive ears – does not necessitate insertion into the ear canal
- Clear sound quality, even with chronic ear issues
- Ideal for those with distinct physical characteristics – this alternative is especially beneficial for individuals with congenital conditions impacting the outer ear or other anatomical variations.
- Improved communication– especially in school, work, or noisy settings
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 could be worth exploring.
Set up an assessment with a hearing specialist today.
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