Sound travels through the ear drum, the middle ear, and is then processed by the inner ear.
The device is small enough to implant into the middle ear with electrodes connected to the inner ear.
Conductive hearing loss can often be caused by malformations of the external or middle ear or by severe middle ear infections.
Genetic testing has caused controversy in some cases because of the possibility that parents of an unborn child might choose to abort if they knew it was susceptible to a condition, but Professor Haggard said this was unlikely to be a factor in the case of middle ear infections.
This administration seems to have a tin ear when it comes to the Middle East, and that tin ear is making us less safe.
Mr Fairley said the surgery had left Mr Cook with "a significant scar" extending from his ear to the middle of his head.
Police later recovered part of Mr Taylor's ear from the middle of the station's concourse.
BBC: Scott Lawson jailed over 'severed ear brawl' in Glasgow
Secondhand smoke can increase the risk of respiratory ailments, lung cancer, and heart disease in nonsmokers, and the risk of sudden infant death syndrome and middle ear infections in children.
Knowing that a child was susceptible to middle ear infections because of a family history of the condition would allow parents to control the child's environment, reducing its chances of becoming ill, he said.
The Duchess of Cornwall had been due to attend the event, hosted by Myleene Klass, but was forced to pull out due to a middle ear infection and sinusitis.
The research team from the University of Iowa noticed that the sugar, called xylitol, when found in some brands of chewing gum could help children with middle ear infections.
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