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HYDRODYNAMIC THRUST BEARINGS FOR ROTARY BLOOD PUMP
HYDRODYNAMIC THRUST BEARINGS FOR ROTARY BLOOD PUMP
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机译:回转泵的液压推力轴承
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摘要
A rotary blood pump includes a casing defining a pumping chamber. The pumping chamber has a blood inlet and a tangential blood outlet. One or more motor stators are provided outside of the pumping chamber. A rotatable impeller is within the pumping chamber and is adapted to cause blood entering the pumping chamber to move to the blood outlet. The impeller has one or more magnetic regions. The impeller is radially constrained in rotation by magnetic coupling to one or more motor stators and is axially constrained in rotation by one or more hydrodynamic thrust bearing surfaces on the impeller.
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