Usually, the idea of hearing aids conjures up the thought of conventional devices that raise the volume of sound through the canal of the ear. For individuals struggling with certain hearing impairments, including persistent ear issues or unilateral deafness, a different solution might provide enhanced sound quality and user comfort: bone conduction hearing aids.
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 head to the inner ear (cochlea), where the sound is processed. This allows sound to get to the auditory nerve even when there is a blockage or injury in the ear canal. Think about this example: When you put your hands over your ears and are still able to hear the sound of your own voice when speaking, that’s an example of bone conduction working.
Bone Conduction vs. Conventional Hearing Aids
Traditional hearing aids boost sound and funnel it through the ear canal. This works effectively for people who have sensorineural hearing loss, where the inner ear or auditory nerve is compromised. On the other hand, if there are problems with the outer or middle ear dued to infection, fluid collection, or structural concerns, conventional hearing aids may not work well or be comfortable. Bone conduction hearing devices are typically a better solution in these instances because they skip over the problem areas and deliver sound straight to your cochlea.
Best Candidates For Bone Conduction
Bone conduction devices are helpful for:
- Conductive hearing loss, when sound has trouble moving through the outer or middle ear at all.
- Relentless ear infections or issues with fluid drainage could be aggravated by conventional hearing aids.
- Individuals with malformed ear canals or missing outer ears, who may not be candidates for conventional devices.
- Single-sided deafness (SSD), where one ear has profound hearing loss or no hearing. These gadgets provide a non-intrusive option that is typically more comfortable, particularly for people, both young and old, who experience recurring ear issues.
Options that include implantable and non-implantable techniques:
There are two principal categories of bone conduction options: Implantable and non-implantable devices.
- Non-implantable (worn externally): These are usually held in place with a headband, softband, or sticky pad. They are perfect for children, those experimenting with bone conduction for the first time, or people who are not prepared for surgery.
- Surgically implanted devices involve a tiny device inserted beneath the skin, which is connected to a separate sound processor worn outside the body. They usually provide more robust performance and stability for long-term users. A professional evaluation by an audiologist or ENT specialist will determine the most suitable option for you, considering your age, particular anatomy, and personal hearing objectives.
Key Advantages of Bone Conduction Hearing Devices
- Ideal for sensitive ears – does not require insertion into the ear canal
- Good audio quality remains consistent, despite ongoing problems with the ears
- Perfect for people with distinct physical attributes – this option is particularly beneficial for individuals with congenital conditions affecting the outer ear or other anatomical variations.
- Enhanced communication– especially in school, work, or noisy environments
If you or your child struggles with hearing in one or both ears, particularly as a result of chronic infections or conductive problems, bone conduction hearing devices could be worth exploring.
Schedule a consultation 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