Cordis Dow Corp.

Andreas Preussner

Gaylord L Berry

Frank W Mather, Iii

Combined artificial kidney and holder therefor

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 surfaces of the fibers in a small, easy to use, safe, integrated unit which avoids blood contact with ambient air as blood circulates through the assembly during surgery.

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Berkeley, CA, United States of America

Andreas Preussner