Bone conduction hearing aids (HAs) can help specific sorts of hearing loss, and are often of help in the case of youngsters. Others who also benefit in particular from this kind of hearing aid are people who have transient hearing loss.
This could be caused by physical damage, blockage, infection or eczema. Conventional hearing aids take sounds from outside the ear, and then amplify this sound and play it back to the inner ear. There are specialist HAs known as bone conduction hearing aids, these act very differently to the conventional HAs.
Conventional external HAs can be usually classified separately into the air conduction hearing aid and bone conduction hearing aids.
Air conduction HAs need the employment of ear molds, that might be cryptic in patients with protracted middle ear and ear canal infections, atresia of the outer canal, or an ear canal that cannot allow entry of an ear mold.
So a new sort of hearing help has been developed namely the bone conduction hearing aid, and use an oscillator. It amplifies sounds from the exterior of the ear and vibrates onto the head bone.
This is a signal that's picked up by the inner ear. There's major difference between Bone Conduction Hearing Aids and other models available today on the market. Both take the sound from outside the ear.
However, a traditional model amplifies the sound inside the middle ear, in the ear mould. The inner ear then receives the sounds from the ear mould. The "bone" system is quite different.
It conveys the signal picked up outside of the ear, straight to the oscillator. The oscillator vibrates against the skull which the inner ear recognizes as sound. though this type of aid is not as efficient as the other HAs available, but it is good for those whose condition is less than suitable for the regular sort of help.
In these patients, bone conduction hearing aids might be an alternative. External "bone type" HAs function by broadcasting sound waves through the bone to the ossicles of the middle ear. The external devices must be closely applied to the temporal bone, with either a steel spring OTT of the head or with the use of a spring-loaded arm.
These devices could be related to either pressure headaches or tenderness. While the bone-anchored HAs have usually been used for those with conductive hearing loss, their use has also been researched in patients with one sided sensorineural hearing loss.
Headbands made from hard materials have caused discomfort problems. There are a few options for bone conduction headbands for bone conduction hearing aids. If cosmetics are the main problem, some folks have stitched the headband into a favorite hat ( that frequently helps with comfort too ).
Girls can use butterfly clips both to embellish and to anchor the headband in their hair. Some children use sports headbands. Make a slit on the inside only of one side and run the wire thru the headband to a matching slit on the opposite side, just above the ear.
Also don't forget the oscillator must directly contact the skin and must be attached in such a manner that nothing comes between the oscillator and the skin. Frequently just the fit of the headband will achieve this but if not velcro should be attached to the back of the oscillator.
The Digital Hearing Aids for sale is well worth a visit for EVERYONE with a hearing problem to solve! Much invaluable additional reading is available on the same site.
Hearing Aid Repair High Point NC
No comments:
Post a Comment