Integrated low priming volume centrifugal pump and membrane oxygenator

A low priming volume integrated centrifugal pump and membrane oxygenator comprising a housing containing a mass transfer bed comprising gas permeable hollow membrane fibers placed circumferentially in a ring around an impeller. The mass transfer bed is formed by a multiple wrap of a fiber ribbon com...

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Bibliographische Detailangaben
Hauptverfasser:	MATHEWSON, WILFRED F
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	A low priming volume integrated centrifugal pump and membrane oxygenator comprising a housing containing a mass transfer bed comprising gas permeable hollow membrane fibers placed circumferentially in a ring around an impeller. The mass transfer bed is formed by a multiple wrap of a fiber ribbon comprising at least two layers of fibers bonded in precise orientation with fibers in alternate layers are positioned in line with the opening between fibers in the layers above and below. Adhesion means ensure precise orientation of the fibers. Priming volume is further reduced by a small impeller flow channel volume.