Metering device for intravenous fluids

Details Metering device for intravenous fluids Metering device for intravenous fluids

1982-01-25

1985-01-15

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604250, 225450, A61M 500

Patent

active

044937091

ABSTRACT:
A metering device is disclosed which includes a metering chamber (14) divided into two compartments (22, 24) by a pressure transmitting member in the form of a flexible diaphragm (20). Fluid flow is alternately allowed into each of the two compartments (22, 24) with each compartment filling to the volume of the metering chamber (14) when full so that periodic pulses of intravenous fluid of that precise volume are sent to the patient. The volume of the metering chamber (14) is selected to match a standard intravenous set drop size, for example one-tenth, one-fifteenth, one-twentieth, or one-sixtieth milliliter.

REFERENCES:
patent: 16284 (1856-12-01), Mason
patent: 4121584 (1978-10-01), Turner et al.
patent: 4191184 (1980-03-01), Carlisle
patent: 4204538 (1980-05-01), Cannon
patent: 4205238 (1980-05-01), Shim
patent: 4207871 (1980-06-01), Jenkins
patent: 4230244 (1980-10-01), Zissimopoulos
patent: 4261356 (1981-04-01), Turner et al.
patent: 4262668 (1981-04-01), Schmidt
patent: 4262824 (1981-04-01), Hrynewycz
patent: 4304260 (1981-12-01), Turner et al.

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