APPARATUS FOR PLASMA SEPARATION

The invention provides an apparatus and method for plasma separation which is designed so that during the process of separating blood into plasma and corpuscular components by means of plasma separation membranes, if the rate of plasma permeation through the membranes is decreased so that the trans-...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KUBOTA, KENJI, YAMANE, TADAYUKI, HARADA, YOSHIMICHI, KIRITA, YASUZO
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 PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention provides an apparatus and method for plasma separation which is designed so that during the process of separating blood into plasma and corpuscular components by means of plasma separation membranes, if the rate of plasma permeation through the membranes is decreased so that the trans-membrane pressure differential exceeds a predetermined value, the number of revolutions of a plasma pump is adjusted downward to permit restoration of a trans-membrane pressure differential lower than the predetermined value. The rate of plasma discharge is gradually decreased according to the varying permeability of the membranes to plasma, whereby a most effective performance of the membranes can be assured. The apparatus and method can be employed in practicing various blood treatment methods wherein blood is separated into plasma and corpuscular fractions to remove the plasma containing pathogenic factors or to remove the pathogenic factors from the plasma.