Integrated membrane oxygenator, heat exchanger and reservoir

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

1986-07-14

1987-10-06

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Blood treating device for transfusible blood

Oxygenator

21032172, 128DIG3, 422 48, A61M 116

Patent

active

046982078

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.

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