Hugh Hetherington Hearing Aid Museum
Hugh Hetherington Hearing Aid Museum

The Hearing Aid Museum

Hearing Aids of all types—Ear Trumpets, Carbon Hearing Aids, Vacuum Tube Hearing Aids, Transistor Hearing Aids, Body Hearing Aids, Eyeglass Hearing Aids and much more!

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Click on the "General Information" button (top button above) for an overview and general information on this category of hearing aid.

 

Cochlear Implants—Other Makes

House 3M Cochlear Implant

The House 3M cochlear implant was approved by the FDA in 1984.

The single channel speech processor used with this implant is shown in the picture on the right. It was relatively small measuring 3⅜” by 2” and about ⅝” thick. It used two number 401 type mercury batteries for power and was a body worn processor.

 

 

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The transmitter, which was placed over the implant just behind the ear, sends coded signals to the implant within the cochlea. (Implant not shown.)


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The microphone uses a tie pin type fastener and could be attached to the clothing.

 

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A 1.4 volt Eveready 401 mercury battery, powered this processor.

 


 

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