Respiratory exercising device

Details Respiratory exercising device Respiratory exercising device

1978-02-27

1980-01-15

Johnson, Richard J.

Surgery

Truss

Pad

272 99, A63B 2300

Patent

active

041833619

ABSTRACT:
A respiratory exercising device including an upright structure having a continuous precalibrated air flow column, air inhalation means in pneumatic communication with the air flow column and an air flotation element which may be moved within the air flow column to measure inhalation rates.

REFERENCES:
patent: 1044367 (1912-11-01), Evans
patent: 2099842 (1937-11-01), Connell
patent: 2254259 (1941-09-01), Aller
patent: 2827008 (1958-03-01), Hodge
patent: 3416371 (1968-12-01), Locke
patent: 4025070 (1977-05-01), McGill
patent: 4060074 (1977-11-01), Russo
patent: 4086918 (1978-05-01), Russo
patent: 4114608 (1978-09-01), Russo
patent: 4138105 (1979-02-01), Hunger

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