Zentrifugalblutpumpe

A disposable puming unit (12; 60; 86; 124) adapted to be releasably mounted on a magnetic drive device (14) for pumping biological fluid, such as blood. The pumping unit (12; 60; 86; 124) includes a pump housing (30 and 32); 62; 92; 128) enclosing a pumping chamber (P; 70), a bearing (42; 78B; 98, 1...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CLAUSEN, EARL W, HUBBARD, LLOYD C
Format:	Patent
Sprache:	ger
Schlagworte:	BLASTING 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 HEATING HUMAN NECESSITIES HYGIENE LIGHTING MECHANICAL ENGINEERING MEDICAL OR VETERINARY SCIENCE NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	A disposable puming unit (12; 60; 86; 124) adapted to be releasably mounted on a magnetic drive device (14) for pumping biological fluid, such as blood. The pumping unit (12; 60; 86; 124) includes a pump housing (30 and 32); 62; 92; 128) enclosing a pumping chamber (P; 70), a bearing (42; 78B; 98, 152) supported in the pumping chamber (P; 70), and an impeller (44; 72, 90; 126) rotatably supported on the bearing (42; 78B; 98; 152). The impeller (44; 72; 90; 126) includes a plurality of openings configured to expose the bearing (42; 78B; 98; 152) to the fluid. Magnets or a magnetic ring (59; 82; 110; 158) are carried by the impeller (44; 72; 90; 126), and are adapted to be magnetically coupled with the magnetic drive device (14) to rotate the impeller (44; 72; 90; 126), and thereby pump fluid through the pumping unit (12; 60; 86; 124).