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Comparison of Hearing Devices

Solution Indications How it Works Details
BAHA® system Used for conductive, mixed or Single Sided Deafness (SSD), involving at least one functioning inner ear. BAHA® system is implanted and conducts sound using direct bone conduction--sending sound using the skull as a pathway (does not reproduce sound electronically and does not involve an in-the-ear component).
  • Surgical procedure takes 30-45 minutes with local or local with sedation anesthesia.
  • Nothing worn in the ear.
  • No post-surgery programming necessary.
  • Procedure is reversible.
Cochlear Implant Bilateral severe-to-profound inner ear type hearing loss

Sound is picked up by an external microphone, which processes the sound and sends it to a transmitter under the skin. The sound is sent to an implanted electroded array in the inner ear, which produces a pattern of electrical pulses in the wearer's ear.

  • Involves replacing the function of a non-working inner ear through 1-2 hr. operation.
  • After surgery, there is an extensive programming and therapy process.
Air Conduction Hearing Aid Used for certain types of conductive, mixed and sensorineural hearing loss to amplify sounds. Relies on amplification to send acoustic sound to a functioning inner ear.
  • Involves an in-the-ear component.
  • May aggravate chronic ear infections.

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