Usually, the concept of hearing aids invokes the thought of traditional devices that raise the volume of sound through the canal of the ear. For people struggling with certain hearing impairments, such as persistent ear issues or unilateral deafness, an alternative option might supply enhanced sound quality and user comfort: bone conduction hearing aids.
How Bone Conduction Hearing Devices Work
With bone conduction hearing devices, the outer and middle ear are bypassed. Rather than relying on airwaves to transmit sound, these devices use the skull’s bones to channel vibrations directly to the cochlea, the inner ear’s sound-processing center. This means that even when the ear canal is obstructed or damaged, sound can still reach the auditory nerve. Think of it this way: If you’ve ever stopped up your ears and still been able to hear your voice when speaking, that’s bone conduction.
Comparison between Bone Conduction and Traditional Hearing Devices
Conventional 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 damaged. But if the problem is with the outer or middle ear, as a result of infection, fluid accumulation, or structural issues, standard hearing aids may not be reliable or comfortable. Bone conduction hearing devices are often a more effective option in such situations as they steer clear of the problematic areas and transmit sound directly to the cochlea.
Bone Conduction Candidates
Situations where bone conduction devices are appropriate:
- Sound waves are unable to pass through the outer or middle ear, resulting in conductive hearing loss.
- Persistent ear infections or drainage problems, where traditional hearing aids could worsen the condition.
- Individuals with flawed ear canals or the absence of outer ears, who might not qualify for conventional devices.
- A condition called unilateral deafness, where a person experiences significant or complete hearing loss in one ear. These devices provide a non-invasive option that is often more comfortable, especially for kids and adults with persisting ear issues.
Implantable vs. Non-Implantable Solutions:
There are two primary classifications of bone conduction options: Implantable and non-implantable devices.
- Non-implantable (worn externally): These are typically held in place with a headband, softband, or sticky pad. They are excellent for kids, those trying out bone conduction for the first time, or individuals who are not prepared for surgery.
- Implantable (surgically installed): These devices consist of a small implant under the skin that connects with an external sound processor. Long-term users typically find that they provide more robust and dependable results. 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.
Advantages of Using Bone Conduction Hearing Devices
- Suitable for sensitive ears – does not necessitate insertion into the ear canal
- Great audio quality stays consistent, in spite of ongoing issues with the ears
- Perfect for people with distinct physical characteristics – this option is particularly helpful for individuals with congenital conditions affecting the outer ear or other anatomical variations.
- Improved communication is especially advantageous in instructional settings, professional environments, or noisy surroundings
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 helpful to think about bone conduction hearing devices.
Book 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