Rigid shell expansible blood reservoir, heater and hollow...

Details Rigid shell expansible blood reservoir, heater and hollow... Rigid shell expansible blood reservoir, heater and hollow...

A - Human Necessities

61

M

128/81.1

A61M 5/00 (2006.01) A61M 1/16 (2006.01) A61M 1/36 (2006.01)

Patent

CA 1191415

ABSTRACT OF THE INVENTION A closed, air-free blood oxygenator assembly having integrated into one self-supporting unit a rigid-shell blood reservoir having an easily visible, concavity which is closed by an attached expansible, flexible membrane which overlies the concavity and forms a variable volume liquid and air-tight blood reservoir, and an attached blood heater, and a hollow fiber membrane oxygenator. The assembly stores, heats, oxygenates and purifies blood by passing oxygen through the lumens of a mat of small diameter gas-permeable hollow fibers supported on a cylindrical core as blood flows over the outside sur- faces of the fibers in a small, easy to use, safe, inte- grated unit which avoids blood contact with ambient air as blood circulates through the assembly during surgery.

421073

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