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by: AlvinToh
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Bone anchored hearing aids, also known as BAHA, are surgically implanted hearing aids used to treat conductive and mixed hearing loss. They were invented way back in 1977 but it wasn't until 1996 that the FDA granted their approval for BAHA use in the United States. BAHA is different from every other type of hearing aid as these use bone conduction in order to transmit sound. The sound waves travel through the bones as vibrations, where they are picked up by the inner ear.

The BAHA has three main parts. There is an implant, an external abutment and a sound processor. These three parts work together to enhance natural bone transmission and provides a pathway for sound to enter the inner ear that bypasses the external auditory canal and middle ear.

The implant consists of a tiny titanium piece, which is put in place through a surgical procedure. It integrates with the natural skull bone over time. The sound processor transmits sound vibrations through the external abutment that sends the vibrations through to the bone. The vibration of the skull and inner ear stimulate the nerve fibers in the inner ear, allowing hearing.

Who can use the BAHA?

The BAHA is a good solution for people with hearing loss caused by chronic ear infection or congenital defects of the middle ear. This is because the device bypasses the outer and middle ear. The inner ear must be working properly for this device to work. Even if you suffer from regular ear infections, the BAHA, unlike other types of hearing aids, does not make the condition any worse.

Bone anchored hearing aids are fantastic for people who do not feel comfortable wearing conventional hearing aids. The BAHA also overcomes problems caused by amplification and feedback issues.

Is the BAHA helpful for people with deafness in a single ear?

One of the best things about the BAHA is that it is useful for people suffering from deafness in a single ear. Before the BAHA was available, there was no satisfactory treatment for single ear deafness. The BAHA works by transmitting sound from the deaf ear to the normal ear to enable hearing in both ears.

What are the best features of the BAHA?

There is no other type of hearing aid like the BAHA, that can solve problems related to middle and outer ear, and to treat deafness in single ear. Bone anchor hearing aids are much more comfortable compared to conventional hearing aids.The BAHA is unnoticeable once implanted under the skin. Unlike other types of hearing aids, the BAHA does not fall off or become loose. No refitting is required.

About the Author

Only one out of five people who could benefit from a hearing aid actually wears one. While the BAHA hearing aid is suited for people with unilateral hearing loss, there are other types of hearing aids to suit almost every type and level of hearing loss, and budget. Check out our hearing aid comparisons before you purchase a hearing aid.

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