Researchers at Wake Forest University have created a hearing aid that does not need surgery to help children with conductive hearing loss. Their innovation employs advanced vibration technology to transmit sound.
Why it matters
Fewer surgeries and faster development for kids with conductive hearing loss.
Conductive hearing loss is common in children, often caused by infections or structural ear problems. Current treatments typically involve invasive surgeries or implants, which can be stressful for young patients. This new device provides a less traumatic approach to improving hearing and supporting speech, language, and educational achievement.
“Treatment for conductive hearing loss can include corrective surgeries and implantable hearing aids, which can be very invasive, especially for pediatric patients. Flexible hearing aids offer a noninvasive alternative.” — Mohammad J. Moghimi, Ph.D., assistant professor of biomedical engineering, Wake Forest University
How it works
Sound travels through the skin, not the ear.
The device uses small, flexible pads (called micro-epidermal actuators) behind the ear. These pads create vibrations that go straight to the cochlea—the inner ear part that processes sound, bypassing blocked areas in the outer or middle ear.
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Key detail: Using multiple pads together works better than a single pad.
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No surgery: It sits on the skin, making it easier and safer for kids.
By the numbers
10 adults tested it. A larger study for kids is planned.
In the initial study:
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Adults aged 19–39 wore earplugs and earmuffs to mimic hearing loss.
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Arrays of pads improved sound quality and strength compared to a single pad.
Next, researchers will test the device in children for long-term safety and effectiveness.
The big picture
Better hearing could mean better outcomes for kids.
Hearing loss in children often delays language and school progress. Avoiding surgery could reduce family stress and let kids focus on learning. The team hopes this device becomes a standard option for pediatric care and other patients with conductive hearing loss.
What’s next
Testing in real-world settings.
Researchers plan to expand trials to include children and adults with actual conductive hearing loss (not simulated). If successful, the device could be available in the future.
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