Air flow measuring instrument for speech therapy

Details Air flow measuring instrument for speech therapy Air flow measuring instrument for speech therapy

1984-08-29

1986-04-01

Howell, Kyle L.

Surgery

Truss

Pad

272 99, 7386135, A61B 508

Patent

active

045791244

ABSTRACT:
A small, portable instrument to measure oral or nasal air flow during speech for both diagnostic and therapeutic purposes. The instrument provides a receptor at one end communicating by an elongate air passageway to a vertical measuring cylinder carrying a sphere vertically movable therein responsive to air flowing therethrough. The vertical position of the sphere in the measuring cylinder indicates amount of air flow and its change in vertical position indicates change in outflow through the receptor at any particular time. Parameters of the instrument may be varied to maintain measurements within the height limitation of the measuring cylinder, and the cylinder may be calibrated for absolute measuration.

REFERENCES:
patent: 180842 (1876-08-01), Burt
patent: 1044367 (1912-11-01), Evans
patent: 4158360 (1979-06-01), Adams
patent: 4170228 (1979-10-01), Elson et al.
patent: 4182347 (1980-01-01), Russo
patent: 4220162 (1980-09-01), Clark et al.
patent: 4232683 (1980-11-01), Bartholomew et al.
patent: 4259951 (1981-04-01), Chernack et al.

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