OBJECTIVE:To design a permanent impeller left ventricular assist device(LVAD) using permanent magnet bearing and fluid film bearing, and compare with the traditional electromagnetic levitated devices.
目的：采用永磁轴承和液膜轴承设计无源磁悬浮心室辅助装置，并与电磁磁悬浮方法设计的心室辅助装置进行比较。
The left ventricular assist device, or LVAD, can boost the heart's ability to function, allowing it to recover if used with the right drugs, the researchers said in a study.
他们在研究中称这种左心室辅助装置在联用一些适当的药物时可以提高心脏功能并促进其恢复。
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