Magnetically-levitated blood pump with optimization method enabling miniaturization
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United States of America Patent
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Nov 17, 2020
Grant Date -
Jun 30, 2016
app pub date -
Mar 9, 2016
filing date -
Sep 26, 2008
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Abstract
A magnetically-levitated blood pump with an optimization method that enables miniaturization and supercritical operation. The blood pump includes an optimized annular blood gap that increases blood flow and also provides a reduction in bearing stiffness among the permanent magnet bearings. Sensors are configured and placed optimally to provide space savings for the motor and magnet sections of the blood pump. Rotor mass is increased by providing permanent magnet placement deep within the rotor enabled by a draw rod configuration.
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