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Cochlear implants with no strings attached
COCHLEAR implants have helped thousands of deaf people around the world hear for the first time.
Now a tiny microphone implanted in a person's ear will provide them with continuous hearing day and night, writes Duncan Graham-Rowe for New Scientist.
Until now people with a cochlear implant have had to remove the external processor/power/microphone part of their device when they sleep, shower or swim. The challenge in making the device fully implantable, removing these restrictions, has been in developing an internal microphone.
New Scientist reports that to solve this problem Cochlear Ltd turned to Otologics, a company in Boulder, Colorado, that was developing a fully implantable hearing aid with a new microphone that incorporates two sensors. One is designed to capture all sounds while the other is tuned to pick up only internal noises. Using special software unwanted bodily noises can be removed by comparing the two signals.
It is reported Cochlear Ltd hopes to have a complete system working within five years.


