Volumetric flow gauge

Details Volumetric flow gauge Volumetric flow gauge

1984-02-27

1986-04-29

Recla, Henry J.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820718, 7386155, 73198, A61M 1600

Patent

active

045849978

ABSTRACT:
A volumetric flow gauge is provided for use particularly with ambulatory oxygen users who receive oxygen on a continuous or semi-continuous basis from an oxygen tank communicating to the patient through a line terminating in a two-tip nasal cannula, the two tips of which projects into the nostrils. The gauge comprises an upright indicator portion, having a hollow tube with a floating ball inside elevationally responsive to the upwardly directed volumetric flow of gas inside, and an integral plug spaced from the gas fitting from the indicator which plugs the second cannula tip, while the first tip receives and gauges the flow of oxygen therethrough.

REFERENCES:
patent: 2099842 (1937-11-01), Connell
patent: 3183713 (1965-05-01), Gilmont
patent: 3961624 (1976-06-01), Weigh
patent: 4158360 (1979-06-01), Adams
patent: 4484578 (1984-11-01), Durkan

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