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IMPLANTABLE ELECTRIC AXIAL-FLOW BLOOD PUMP WITH BLOOD-COOLED BEARING
IMPLANTABLE ELECTRIC AXIAL-FLOW BLOOD PUMP WITH BLOOD-COOLED BEARING
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机译:带血冷轴承的可植入式轴流血泵
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摘要
An axial-flow blood pump has a rotor suspended in ball-and-cup bearings which are blood-cooled but not actively blood-lubricated. The ball-and-cup structures are made of highly heat-conductive material and are in heat-transferring contact with heat-conductive stator blades that serve as heat sinks for the bearings. The ball-and-cup structures are radially much smaller than the stator blades. The ball-and-cup interface has so small a gap that the ball-to-cup structures present an essentially continuous surface to the blood flow.
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