If you’ve seen my latest vlog you will have seen that I did a short video about so BIG EXCITING news! Harry finally has a date for his cochlear implant surgery – Tuesday 3rd Feb 2015! But what even is a cochlear implant…
What is a cochlear implant?!
cochlear implant is a tiny and very complex electronic device, that can help to
provide sound to a person who is profoundly deaf or severely hard-of-hearing
(Harry is profoundly deaf which means he has no natural hearing) The implant
consists of an internal part that is surgically placed under the skin and
attaches to an external part via magnets.
Cochlear Implant is made up of the following componants:
A microphone, which picks up sound from the
A speech processor, which selects and arranges
sounds picked up by the microphone.
A transmitter and receiver/stimulator, which
receive signals from the speech processor and convert them into electric
An electrode array, which is a group of electrodes
that collects the impulses from the stimulator and sends them to different
regions of the auditory nerve.
implant does not restore normal hearing. Instead, it can give a deaf person a
representation of sounds in the environment and help him or her to understand
present around 10,000 people in the UK are fitted with a cochlear implant and
the number is increasing each year. You
see a lot of cochlear implants around where the external part sits behind the
ear, much like a hearing aid, however for the first 5 years Harry won’t have
the behind the ear part and instead that part will clip onto his clothing. We mainly chose this option because we felt
his ears and head were too small to have that sort of hardware and also because
the brand we have gone for is waterproof!
|Advanced Bionics Neptune | Source|
VERY different from a hearing aid – which simply amplifies sound so they may be
detected by damaged ears. Cochlear implants however bypass damaged portions of
the ear and directly stimulate the auditory nerve. Signals generated by the
implant are sent by way of the auditory nerve to the brain, which recognizes
the signals as sound.
cochlear implant is different from normal hearing and takes time to learn.
However, it allows many people to recognize warning signals, understand other
sounds in the environment, and enjoy a conversation in person or by telephone
makes an incision behind the ear being treated in order to gain access into the
middle ear and cochlear. The operation lasts between 3 and 4 hours per ear –
Harry will be having both done at the same time so a mega long operation
intricate rather than dangerous because no vital organs are disturbed. There
are no serious attendant risks with the operation beyond those normally
associated with major surgery
continued follow-up studies with people who already have received implants,
researchers are evaluating how cochlear implants might be used for other types
of hearing loss.
studies are exploring ways to make a cochlear implant convey the sounds of
speech more clearly. Researchers also are looking at the potential benefits of
pairing a cochlear implant in one ear with either another cochlear implant or a
hearing aid in the other ear