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Bone Anchored Hearing Aid


Bone Anchored Hearing Aid

For: Conductive/Mixed or Single-Sided Hearing Loss

Sound can reach the inner ear through two paths:

  • By air conduction via the ear canal and middle ear to the inner ear.
  • By bone conduction where vibration bypasses the outer and middle ear and is conducted directly to the inner ear.

The bone anchored hearing aid (BAHA) system uses a process called direct bone conduction. A small titanium implant is placed in the bone behind the ear where it osseointegrates with living bone.

This osseointegration takes about three months for adults and six months for children. Once the osseointegration is complete, an abutment is attached to the fixture and a sound processor clipped on. Sound will be picked up by the external processor and conducted directly through the bone to the inner ear.

For patients with single-sided profound hearing loss, the BAHA system is placed on the deaf side where the device will pick up sound and conduct it to the working cochlea of the good ear. This allows patients with single-sided hearing loss to hear sound from both sides.

Since the BAHA system does not have any component in the ear canal, patients with recurring ear infections can leave the ear canal open and dry, thus reducing further incidence of ear infections.


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