VENTRICULAR ASSIST DEVICE

Apparatus and methods are described including a ventricular assist device (20). An impeller (50) is placed inside a left ventricle of a subject, the impeller defining a lumen (62) therethrough. A frame (34) is disposed around the impeller, with a proximal bearing (116) disposed at a proximal end of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ROSENBLUM, Daniel, TUVAL, Yosi, ROZENFELD, Avi, LUBINSKY, Gad, ZEMER HAREL, Hagit, FRIEDLAND, Ori, TROSHIN, Victor
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
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Beschreibung
Zusammenfassung:	Apparatus and methods are described including a ventricular assist device (20). An impeller (50) is placed inside a left ventricle of a subject, the impeller defining a lumen (62) therethrough. A frame (34) is disposed around the impeller, with a proximal bearing (116) disposed at a proximal end of the frame and a distal bearing (118) disposed at a distal end of the frame. An axial shaft (92) passes through the proximal bearing (116), the lumen (62) defined by the impeller, and the distal bearing (118). A motion-cushioning spring (68) is disposed around the axial shaft (92) between a distal end of the impeller (50) and the distal bearing (118), the motion-cushioning spring (68) being configured to cushion axial motion that the impeller (50) undergoes. Other applications are also described.