Automatic parenteral infusion apparatus

Details Automatic parenteral infusion apparatus Automatic parenteral infusion apparatus

1982-05-17

1985-03-19

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

128DIG12, A61M 500

Patent

active

045057010

ABSTRACT:
Automatic parenteral infusion equipment for safely delivering, under substantially constant pressure and at a substantially constant rate of flow, infusion liquid to a patient's body. The apparatus includes a chamber for containing the infusion liquid, a pressure force remote from the infusion liquid chamber, a force transmission means interposed between the pressure source and the infusion liquid chamber, vent means to discharge compressible or incompressible fluid used as a force transmission vehicle in order to prevent the possibility of embolism or toxicity to the patient, and flow regulating member including a restricted orifice to deliver infusion liquid to the patient at a substantially constant rate. Alternative embodiments of the invention are disclosed for adaptation to both ambulatory and immobile patients.

REFERENCES:
patent: 2545017 (1951-03-01), Billingsley
patent: 3468308 (1969-09-01), Bierman
patent: 3543753 (1970-12-01), Weinstein
patent: 3604417 (1971-09-01), Stolzenberg
patent: 3605745 (1971-09-01), Hodosh

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