血栓・溶血を防ぐ遠心型血液ポンプ形状の改善

DOI 機関リポジトリ HANDLE Web Site 被引用文献2件 参考文献12件

書誌事項

タイトル別名
  • Improvements of Blood Pump Configurations for Less Thrombosis and Hemolysis
  • ケッセン ヨウケツ オ フセグ エンシンガタ ケツエキ ポンプ ケイジョウ ノ カイゼン

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抄録

We conducted computational fluid dynamics(CFD) analysis of centrifugal blood pumps by using commercial code CFX-5 for improvements of a thrombotic and hemolytic performance. We also investigated effects of washout holes of the impeller on thrombus formation around the shaft. Washout holes enhanced flows around the shaft behind the impeller. Numerical simulation suggested that the thrombus formation was suppressed when the position of washout holes was moved to the center of impeller in a radial direction. As for hemolysis, large radial gaps between an impeller and a casing prevented hemolysis although the pump head was slightly decreased.

収録刊行物

  • ターボ機械

    ターボ機械 33 (4), 199-205, 2005

    一般社団法人 ターボ機械協会

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