Integrated membrane oxygenator, heat exchanger and reservoir

Details Integrated membrane oxygenator, heat exchanger and reservoir Integrated membrane oxygenator, heat exchanger and reservoir

1987-07-14

1989-10-24

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Blood treating device for transfusible blood

Oxygenator

21032179, 128DIG3, 422 48, A61M 116

Patent

active

048760668

ABSTRACT:
A membrane oxygenator includes an upper nested arrangement of a hard shell venous reservoir, a bowl-like defoamer within the reservoir and a heat exchanger coil vertically supported within the defoamer, and includes a membrane oxygenator unit mounted on the bottom of the upper arrangement. The oxygenator unit includes an inlet chamber with a tangential inlet providing swirling blood flow to dislodge air bubbles and centrifuge air to an upper center region of an inlet chamber where gas is exhausted through a vent. A bottom blood outlet chamber of the blood oxygenator unit has a relatively thin vertical cross-sectional area such that priming flow velocity therein discharges all air from the outlet chamber.

REFERENCES:
patent: 3674440 (1972-07-01), Kitrilakis
patent: 3977976 (1976-08-01), Spaan et al.
patent: 4239729 (1980-12-01), Hasegawa et al.
patent: 4247393 (1981-01-01), Wallace
patent: 4267044 (1981-05-01), Kroplinski
patent: 4282180 (1981-08-01), Raible
patent: 4374802 (1983-02-01), Fukasawa
patent: 4376095 (1983-03-01), Hasegawa
patent: 4469659 (1984-09-01), Carson
patent: 4620965 (1986-11-01), Fukusawa et al.
patent: 4645645 (1987-02-01), Martinez et al.

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