Pressure-compensated pneumatic speech simulator
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United States of America Patent
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-
Dec 18, 1984
Grant Date -
N/A
app pub date -
Oct 14, 1983
filing date -
Oct 14, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pneumatic speech simulator has a vibratory tone-generating element which produces an audible tone in response to the flow of pressurized air within a predetermined pressure range, said tone being transmitted to a patient's pharyngeal region by a conduit, such as a nasal catheter. The simulator includes a pressure compensation valve, upstream from the tone-generating element, which maintains the pressure experienced by the tone-generating element within its operating range as the pneumatic resistance of tone-transmitting conduit is increased due to partial or total blockage.
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Family
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Cited Art Landscape
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