Therapeutic incentive spirometer

Details Therapeutic incentive spirometer Therapeutic incentive spirometer

1978-07-17

1980-11-11

Recla, Henry J.

Surgery

Truss

Pad

272 99, A61B 508, A63B 2300

Patent

active

042326834

ABSTRACT:
A therapeutic incentive spirometer comprises a spirometer body having an outer wall and an inner wall, separated by a passageway, an interior chamber defined by said inner wall, a gas outlet for directing gas out of the chamber, a gas inlet means for directing gas into the chamber. A component for varying the flow rate of gas through either the gas inlet or outlet, and visual device associated with the interior chamber for indicating the rate of gas flow through the chamber. The preferred device includes a cap having a gas by-pass intake port located therein, which port is registered with a slanted surface on the outer body wall, the cap being movable relative to the body wall which movement changes the by-pass port opening size.

REFERENCES:
patent: 3785377 (1974-01-01), Jorgensen
patent: 3898987 (1975-08-01), Elam
patent: 4025070 (1977-05-01), McGill et al.

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