Intravenous metering device

Details Intravenous metering device Intravenous metering device

1982-05-03

1984-07-03

Truluck, Dalton L.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

417435, 604123, 128DIG12, A61M 000

Patent

active

044577532

ABSTRACT:
An improved intravenous metering device (1a) having a measuring chamber (77) for use in measuring the discharge pressure of fluid exiting the device (1) is disclosed. The discharge pressure measuring chamber (77), which operates in conjunction with a pin (63) and flexure beam (65) arrangement to provide an indication of fluid discharge pressure, is incorporated into the fluid flow path through the device in order to permit sweeping of gas bubbles from the chamber (77) during device priming operations. Thus, complete removal of gas bubbles from the device (1a) prior to employing the device with a patient is more easily attainable.

REFERENCES:
patent: 3559644 (1971-02-01), Stoft et al.
patent: 3620650 (1971-11-01), Shaw
patent: 4140118 (1979-02-01), Jassawalla
patent: 4142524 (1979-03-01), Jassawalla et al.
patent: 4236880 (1980-12-01), Archibald
patent: 4336800 (1982-06-01), Pastrone

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