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Hearing
instruments have helped millions of people to hear better
and live a more socially active life.
This page describes the different types of hearing instruments
available today - how they work , what to consider when choosing
an instrument , and how they can help you best. |
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What is a
Hearing Instrument ?
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A
hearing instrument is an electronic , battery - operated device.
Hearing Aid pickup sound , makes it louder and sends it into
the ear. A Hearing Aid has three basic parts , a microphone,
an amplifier and a loudspeaker ( called a receiver in Hearing
Aids).
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Microphone
- Picks up sound waves and converts them into electronic signals.
Amplifier
- Increases the loudness of the signal.
Loudspeaker
- Reconverts the amplified signals into sounds.
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Hearing
Aid Types
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There
are five basic types of hearing instruments . Our Audiologist
will help you to decide which type is best for your hearing
loss :-
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BODY
WORN (POCKET ) HEARING AID :-
Consist of
a small box that contains the microphone and amplifier
, a cord with a receiver and an earmould . These models
are less difficult to use and more economical but
have very limited features and poor cosmetic look. |
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BEHIND - THE
- EAR (BTE)
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Behind -the-ear
hearing aids are placed behind the user's ear and
connected to an ear mould by a tube. BTE instruments
can assist more types of hearing loss than any other
instruments.
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IN-THE-EAR
( ITE )
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An
ITE instrument is completely contained in a Custom -
made acrylic shell or casing that fits into the outer
ear. ITE's are easy to handle and give you easy assess
to controls . They are suitable for mild to serve hearing
loss. |
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IN-THE-CANAL
( ITC)
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Somewhat smaller
than an ITE , ITC device is Custom - made to fit the
contours of your ear canal. ITCs are discreet , yet
visible within the our ear. They are suitable for mild
to mederately severe hearing loss. |
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COMPLETELY -
IN-THE-CANAL ( CIC)
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The tiny CIC
instrument fits so deep in ear canals that it is practically
invisible . A small nylon cord assits easy insertion
or removal. Like ITCs, these instruments can be used
for mild to moderately severe hearing loss. |
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