Ventricular assist blood pump
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United States of America Patent
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Sep 13, 2016
Grant Date -
Oct 22, 2015
app pub date -
Mar 27, 2012
filing date -
Mar 27, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A ventricular assist blood pump of the present invention includes: a rotational part having an impeller; and a housing which houses the rotational part therein. In the ventricular assist blood pump, a difference between a maximum flow rate and a minimum flow rate of a liquid in a state where the ventricular assist blood pump is connected to a liquid-discharge source which discharges the liquid while increasing and decreasing the flow rate of the liquid at a fixed cycle is 40% or more of a difference between the maximum flow rate and the minimum flow rate of the liquid in a state where the ventricular assist blood pump is not connected to the liquid-discharge source. A ventricular assist blood pump of the present invention can suppress the degree at which the health of a user deteriorates during long-term use compared to a conventional ventricular assist blood pump.
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