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To enhance the durability and reduce the blood trauma of a conventional blood pump with a cone‐shaped impeller, a magnetically levitated (MagLev) technology has been applied to the BioPump BPX‐80 (Medtronic Biomedicus, Inc., Minneapolis, MN, USA), whose impeller is supported by a mechanical bearing. The MagLev BioPump (MagLev BP), which we have developed, has a cone‐shaped impeller, the same as that...