Artificial larynx

Details Artificial larynx Artificial larynx

A - Human Necessities

61

F

3/110

A61F 1/18 (1980.01) A61F 1/20 (1980.01)

Patent

CA 1185753

ABSTRACT The present invention provides a completely self- contained intraoral larynx comprising a power source, tongue activated controls, power saving signal generation circuitry, acoustic and audio amplifiers, and an intra-oral speaker. These components are contained within an otherwise conventional denture or dental prosthesis. The device produces a high amplitude sound while minimizing current drain from the power source. Laryngectomized patients require only short term training by a speech pathologist to use this device. Intel- ligible speech is usual within an hour of such training, and facility rapidly improves. The psychological barriers, post- operative physical limitations, aesthetic concerns and limited gestural communication traditionally associated with the use of extra-oral larynges is eliminated by the present invention.

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