When most individuals think of hearing aids, they picture traditional devices that amplify sound through the ear canal. But for individuals with specific kinds of hearing loss, especially those coping with chronic ear problems or single-sided deafness, a distinct type of technology could provide better clarity and comfort: bone conduction hearing devices.
The Functionality of Bone Conduction Hearing Devices
Bone conduction hearing devices function by bypassing the outer and middle ear. Rather than depending on airwaves to convey sound, these devices utilize the head’s bones to direct vibrations directly to the cochlea, the inner ear’s sound-processing hub. This allows sound to reach the auditory nerve even when there is a blockage or injury in the ear canal. Think of it like this: If you’ve ever plugged your ears and still heard your voice when talking, that’s bone conduction.
Bone Conduction vs. Conventional Hearing Aids
Conventional hearing aids amplify sound and direct it through the ear canal. This approach is particularly helpful for individuals who have experienced damage to the inner ear or the nerve responsible for transmitting sound, causing sensorineural hearing loss. On the other hand, if there are problems 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 can be a more effective option in such scenarios as they steer clear of the problematic areas and transfer sound directly to the cochlea.
Bone Conduction Candidates
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.
- Relentless ear infections or problems with fluid drainage could be aggravated by traditional hearing aids.
- Individuals with flawed ear canals or the absence of outer ears, who may not qualify for traditional devices.
- Single-sided deafness (SSD), where one ear has severe hearing loss or no hearing. These devices offer a non-invasive option that is often more comfortable, especially for kids and adults with recurring ear issues.
Options that include implantable and non-implantable techniques:
There are two primary types of bone conduction hearing devices:
- Non-implantable (worn externally): These are typically held in place with a headband, softband, or adhesive pad. They are perfect for kids, those experimenting with bone conduction for the first time, or individuals who are not prepared for surgery.
- Surgically implanted devices involve a tiny device inserted underneath the skin, which is connected to a separate sound processor worn outside the body. They usually provide more robust performance and reliability for long-term users. A professional assessment 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 Advantages of Bone Conduction Hearing Devices
- Comfortable for sensitive ears– no need to place anything into the ear canal
- Clear sound quality, even with persistent ear problems
- Great for distinct anatomy– helpful for individuals born without a complete outer ear or with other structural differences
- Improved communication– especially in school, work, or noisy settings
If you or your child has trouble 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.
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