The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 16, 2023
Filed:
Sep. 14, 2018
Abiomed Europe Gmbh, Aachen, DE;
Thorsten Siess, Aachen, DE;
Wolfgang Kerkhoffs, Aachen, DE;
Peter Skrodsky, Aachen, DE;
Jimpo Wang, Aachen, DE;
Marius Grauwinkel, Aachen, DE;
ABIOMED EUROPE GMBH, Aachen, DE;
Abstract
An intravascular blood pump () comprises a pump casing () having a blood flow inlet () and a blood flow outlet (), and an impeller () arranged in said pump casing () so as to be rotatable about an axis of rotation, wherein the impeller () has blades () sized and shaped for conveying blood from the blood flow inlet () to the blood flow outlet (). The blood pump () further comprises a drive unit () for rotating the impeller (), the drive unit () comprising a plurality of posts () arranged about the axis of rotation (). Coil windings () around the posts are sequentially controllable so as to create a rotating magnetic field. The shaft portion () of each of the posts () comprises a soft magnetic material which is discontinuous in cross-section transverse to the longitudinal axis of the respective post ().