Typically, the concept of hearing aids conjures up the idea of conventional devices that boost sound through the canal of the ear. But for people with specific types of hearing loss, especially those dealing with chronic ear problems or single-sided deafness, a different kind of technology could offer better quality and comfort: bone conduction hearing devices.
How Bone Conduction Hearing Devices Work
Bone conduction hearing devices function by bypassing the outer and middle ear. Rather than transmitting sound through the air, they transfer vibrations through the bones of the head to the inner ear (cochlea), where the sound is processed. This means that even when the ear canal is blocked 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 talking, that’s bone conduction.
Comparison between Bone Conduction and Traditional Hearing Aids
Conventional hearing aids increase sound and direct it into the ear canal. This works effectively for individuals who have sensorineural hearing loss, where the inner ear or auditory nerve is compromised. On the other hand, if there are issues with the external or middle ear dued to infection, fluid collection, or structural problems, standard hearing aids might not work efficiently or be comfortable. Bone conduction hearing devices can be a more reliable option in such situations as they steer clear of the problematic areas and transmit sound directly to the cochlea.
Best Candidates For Bone Conduction
Bone conduction devices are beneficial for:
- Conductive hearing loss, when sound has difficulty traveling through the outer or middle ear at all.
- Chronic ear infections or drainage issues, where conventional hearing aids could aggravate the condition.
- People with deformed 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 alternative that is frequently more comfortable, especially for kids and adults with persisting ear issues.
Options that include implantable and non-implantable solutions:
There are two main types of bone conduction hearing devices:
- External non-implantable devices are usually secured using a headband, softband, or adhesive pad. They are excellent for children, people trying out 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 provide more effective and dependable results. A professional evaluation by an audiologist or ENT specialist will identify the most appropriate solution for you, taking into account your age, individual anatomy, and personal hearing objectives.
Advantages of Using Bone Conduction Hearing Devices
- Ideal for sensitive ears – does not necessitate insertion into the ear canal
- Good audio quality remains consistent, despite recurring issues with the ears
- Ideal for individuals with distinct physical attributes – this option is particularly helpful for people with congenital conditions affecting the outer ear or other anatomical variations.
- Improved communication is especially beneficial in instructional settings, professional environments, or loud surroundings
If you or your child struggles with hearing in one or both ears, especially due to chronic infections or conductive issues, bone conduction hearing devices might be worth exploring.
Make 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