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Bone Conduction Hearing Aids (BAHA)

The BAHA enables sound to bypass both the outer and middle ear, stimulating the cochlea directly through bone conduction. The device consists of a small titanium implant that is surgically placed subcutaneously into the skull behind the ear. Sound waves are turned into vibrations via the bone, which is relayed to the inner ear and is then transmitted to the brain and interpreted as sound.

Candidacy for BAHA

Candidacy for a BAHA is based on the type of hearing loss and the state of the ear.

Conductive hearing loss: This type of hearing loss is due to the abnormality of the outer or middle ear. BAHA will bypass these areas and stimulate the inner ear.

Single-Sided Deafness: This is another scenario in which BAHA helps, especially in noisy environments. For those who have complete deafness in one ear and normal hearing in the other ear. In this case, BAHA will transmit sound from the poorer ear to the better ear by bone conduction. 

Mixed Hearing loss: This is due to the combination of conductive and sensorineural hearing loss. BAHA is a good option when the conductive hearing loss is more significant. 


 

BAHA System 

 

BAHA system consists of an internal implant and sound processor

 

  • Baha Implant:  

BI300 is the latest implant. It has a 98% reliability rate, which means the implant can be stable for many years. It is made up of titanium and is inserted in the bone, so it aids in bone conduction. These implants are designed in a way that promotes faster osseointegration. 

  • Baha 6 max sound processor:

It is a premium bone conduction processor that is discreet. It can be fitted to those individuals with bone conduction thresholds up to 55 dB SNHL. It is compatible with Baha Start. It is a non-surgical option that can be worn in two ways 1) Soft band: This is meant to be used for children who are too young and not ready for the implant 2) Sound arc. This is mainly for older children and adults. 

Features:

  • Smart Sound IQ Technology: It will automatically reduce the background noise and adjust the sound.
  • Broader frequency range. This will help in the recognition of high-frequency sounds, especially in a noisy environment.
  • Baha Sound app: Aids in personalized adjustments of settings.
  • Direct wireless connectivity: It can directly stream phone calls and media from both iPhone and compatible Android phones.

Baha 6 Max can be connected to the implant in 2 ways:

 

  • Baha connect system: In this connection, the sound vibrations from the sound processor are transmitted to the abutment.
  • Baha Attract System: This uses a magnet to connect the sound processor to the implant.