VERFAHREN UND VORRICHTUNG ZUM MODIFIZIEREN DER EIGENSCHAFTEN EINES STROEMUNGSMITTELS

The present invention relates to a tubular membrane apparatus, which may be made as a disposable unit, and the method of operation of that apparatus to achieve a transfer or exchange function. More specifically, the present invention may be used to oxygenate blood, purify water, as a dialysis medium...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JAMES BENTLEY,DONALD, ANDREW RAIBLE,DONALD
Format:	Patent
Sprache:	ger
Schlagworte:	APPARATUS FOR MAKING BEVERAGES COFFEE MILLS 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 DOMESTIC ARTICLES OR APPLIANCES FURNITURE HUMAN NECESSITIES HYGIENE KITCHEN EQUIPMENT MEDICAL OR VETERINARY SCIENCE PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SPICE MILLS SUCTION CLEANERS IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention relates to a tubular membrane apparatus, which may be made as a disposable unit, and the method of operation of that apparatus to achieve a transfer or exchange function. More specifically, the present invention may be used to oxygenate blood, purify water, as a dialysis medium, and for other purposes. The apparatus comprises a series of tubular membranes which are deformed at spaced intervals along their lengths to induce turbulent flow and secondary flow patterns which displace the stationary boundary layer which would otherwise exist adjacent to the inner surface of the tubular membrane such that the resistance to diffusion or exchange is substantially reduced. Pulsatile flow of the fluid within the tubular membrane and/or the fluid surrounding the tubular membrane may be employed to enhance the effectiveness of the unit. In a preferred embodiment, a liquid is flowed through the tubular membranes and a gaseous medium is caused to flow around the outer surface of the tubular membrane.