Positive pressure and volume measure respiratory device

Details Positive pressure and volume measure respiratory device Positive pressure and volume measure respiratory device

1975-04-15

1976-08-31

Michell, Robert W.

Surgery

Truss

Perineal

272 99, A61B 508

Patent

active

039773990

ABSTRACT:
A novel positive pressure and volume measurement respiratory device is disclosed which provides positive pressure respiratory therapy to the user. Simultaneously the user's inspiration volume can be measured by merely observing the amount of liquid displaced from one container to another. The respiratory therapy device is comprised of two containers connected by flexible tubing which are raised and lowered relative to one another by appropriate linkage connected to a motor either cyclically or intermittently dependent upon the needs of the user. A user tube which communicates with the interior of one container acts as the conduit to the mouth of the user for expelled air when positive pressure is developed within the container.

REFERENCES:
patent: 714141 (1902-11-01), Cady
patent: 3710780 (1973-01-01), Milch
patent: 3811671 (1974-05-01), Turnbull

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