Blood pump systems and methods
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United States of America Patent
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Jan 31, 2017
Grant Date -
Dec 19, 2013
app pub date -
Aug 15, 2013
filing date -
Feb 17, 2010
priority date (Note) -
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Abstract
The present disclosure relates to a rotary blood pump with a double pivot contact bearing system with an operating range between about 50 mL/min and about 1500 mL/min, wherein the force on the upper bearing is less than 3N during operating speeds up to 6000 rpm. The disclosure also relates to a method of using a blood pump system for persistently increasing the overall diameter and lumen diameter of peripheral veins and arteries by persistently increasing the speed of blood and the wall shear stress in a peripheral vein or artery for period of time sufficient to result in a persistent increase in the overall diameter and lumen diameter of the vessel.
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