Surgery – Truss – Pad
Patent
1977-01-03
1978-09-12
Grieb, William H.
Surgery
Truss
Pad
3 11, 128 2S, 35 17, G09B 1904
Patent
active
041125967
ABSTRACT:
A pseudo palate is formed of a thin sheet of material shaped to the contour of the palate of a person whose speech is to be tested. On the lingual surface of the sheet is an array of electrodes located in the lingual contact areas of the palate and spaced apart predetermined distances. Conductors attached to the electrodes are embedded in the sheet and are grouped together in at least one bundle to exit from the palate at its posterior, into the buccal cavity of the patient's mouth where the bundle of conductors may exit from the mouth at a corner thereof. These conductors are attached to suitable instrumentation which may give a visual or possibly aural signal corresponding to the position of the tongue when the patient makes, or attempts to make, designated speech sounds. The electrical portion of the system may comprise means to impose a small voltage on the body of the patient, whereby when the tongue touches the electrodes, circuits are completed, thus providing a display corresponding to the position of the tongue.
REFERENCES:
patent: 3239935 (1966-03-01), Shackelford
patent: 3417743 (1968-12-01), Carrera
patent: 3983865 (1976-10-01), Shepard
Fletcher Samuel G.
McCutcheon Martin J.
Carter Hugh P.
Grieb William H.
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