IV system and controller and combination IV filter and pump asse

Details IV system and controller and combination IV filter and pump asse IV system and controller and combination IV filter and pump asse

1985-04-22

1987-02-10

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604126, 604152, 128DIG12, 417388, A61M 500

Patent

active

046420983

ABSTRACT:
An IV filter and pump assembly having first and second bodies secured into a unitary assembly. The first and second bodies provide a chamber. One of the bodies has an opening therein in communication with said chamber and an inlet port therein. The other of the bodies has an outport therein. The inlet and outlet ports are in communication with the chamber. An inlet valve controls the flow of liquid through the inlet port and an outlet valve controls the flow of liquid through the outlet port. A hydrophobic filter is carried by the unitary assembly and is in communication with the upper portion of said chamber for venting to ambient small quantities of air in said chamber. An actuator supplies a pumping action to the liquid in the chamber so that liquid is caused to be moved out of the chamber through the outlet valve and into the chamber through the inlet valve.

REFERENCES:
patent: 3457909 (1969-07-01), Laird
patent: 3961860 (1976-06-01), Ernst
patent: 4030495 (1977-06-01), Virag
patent: 4142524 (1979-03-01), Jassawalla et al.
patent: 4261360 (1981-04-01), Perez
patent: 4262668 (1981-04-01), Schmidt
patent: 4316460 (1982-02-01), Genese et al.

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