Impeller and frame for blood pump
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United States of America Patent
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Dec 19, 2023
Grant Date -
Feb 11, 2021
app pub date -
Oct 22, 2020
filing date -
Jan 10, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
Apparatus and methods are described including a ventricular assist device that includes an impeller configured to be placed inside a subject's left ventricle. A frame is disposed around the impeller, the frame defining generally-cylindrical central portion, and a proximal conical portion that widens from a proximal end of the frame to a proximal end of the generally-cylindrical central portion. A motor drives the impeller to pump blood from the left ventricle to the subject's aorta, by rotation of the impeller. The impeller is configured to be disposed at least partially within the proximal conical portion of the frame during at least some of a time during which the impeller rotates. Other applications are also described.
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