Interventional blood pump

The invention relates to an interventional blood pump comprising a pump body having a blood inlet and a blood outlet and a drive unit. The pump body further comprises a rotatable rigid impeller contained in a rigid impeller outer cylinder, the near end of the impeller is connected to the far end of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG XUMAN, MA HONGBIN, FAN QINGLIN, DING MINGQIAN, JING PENGFEI, HAN ZHIFU, WANG XIAN, WANG CHAO, ZHANG HONGQING
Format:	Patent
Sprache:	chi ; 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
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Beschreibung
Zusammenfassung:	The invention relates to an interventional blood pump comprising a pump body having a blood inlet and a blood outlet and a drive unit. The pump body further comprises a rotatable rigid impeller contained in a rigid impeller outer cylinder, the near end of the impeller is connected to the far end of the driving unit through a flexible shaft, the far end of the impeller outer cylinder is communicated with the blood inlet, and the near end of the impeller outer cylinder comprises an impeller outlet. And a radially expandable catheter disposed outside the flexible shaft and extending over at least a portion of its length, the distal end thereof being sealingly connected to the impeller outer barrel and covering the impeller outlet, the proximal end opening a blood outlet, the blood outlet opening being in a radially expandable state. And a blood flow channel communicated with the blood inlet and the blood outlet is formed by a gap between the flexible shaft and the flexible shaft. According to the blood pump, the