Pressure-compensated pneumatic speech simulator

Details Pressure-compensated pneumatic speech simulator Pressure-compensated pneumatic speech simulator

G - Physics

10

C

84/1

G10C 5/00 (2006.01) A61F 2/20 (2006.01) G10D 15/00 (2006.01)

Patent

CA 1208052

TITLE: PRESSURE-COMPENSATED PNEUMATIC SPEECH SIMULATOR INVENTOR: Samir M. Chaoui ABSTRACT OF THE DISCLOSURE 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 in- creased due to partial or total blockage.

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