514 急性心不全を対象とした磁気浮上人工心臓の研究開発(OS5-(3)オーガナイズドセッション《ライフサポートにおける工学技術》)

概要

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We propose new treatment method with artificial heart aimed for recovery of heart function for the acute cardiac failure patients. We have developed the therapeutic artificial heart with the maglev technology which enables higher bypass flow. The pump consists of a levitated impeller and a self-bearing motor which has a magnetic bearing stator and the motor stator. The levitated impeller is set between the magnetic bearing stator and the motor stator. The magnetic bearing stator has four electromagnets, and the levitated impeller has a ring shaped permanent magnet and a yoke to enhance the magnetic power of the bearing. A centrifugal pump was designed based on the computational fluid dynamics analysis. A prototype of the pump was fabricated the actual pump performance was evaluated with a mock loop circuit. The result of experiments indicates sufficient pump performance of the designed centrifugal blood pump.
一般社団法人日本機械学会の論文
2010-08-27