New mechanism to reduce the size of the monopivot magnetic suspension blood pump: direct drive mechanism.
New mechanism to reduce the size of the monopivot magnetic suspension blood pump: direct drive mechanism.
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减小单枢点磁悬浮血泵尺寸的新机构：直接驱动机构。
DOI：
10.1111/j.1525-1594.1997.tb03710.x
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发表时间：
1997
影响因子：
2.4
通讯作者：
Jun Maekawa
中科院分区：
文献类型：
--
作者：
Takashi Yamane;Masahiro Nishida;T. Kijima;Jun Maekawa
通过减小磁悬浮的尺寸并采用直接驱动机构代替无刷DC电机和磁耦合器，已经实现了单转子磁悬浮血泵的尺寸减小。使用封闭的空心叶轮来消除入口处的流动障碍，并使用径向直叶片来将叶轮速度降低30%，也改善了流动。对新型号进行了溶血试验。结果表明，DD 1型的溶血水平仅略高于常规体外离心泵。
Size reduction of the monopivot magnetic suspension blood pump has been achieved by reducing the size of the magnetic suspension and employing a direct drive mechanism in place of a brushless DC motor and a magnetic coupling. The flow has also been improved using a closed hollow impeller to remove flow obstruction at the inlet and using radial straight vanes to reduce the impeller speed by 30%. Hemolysis testing was conducted for the new models. Results showed that model DD1 presented only a slightly higher level of hemolysis than a regular extracorporeal centrifugal pump.