VENTRICULAR ASSIST SYSTEM
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United States of America Patent
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Issued Date -
Feb 19, 2015
app pub date -
Mar 27, 2012
filing date -
Mar 27, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A ventricular assist system includes: a ventricular assist blood pump provided with a rotational part having an impeller and a housing which houses the rotational part therein; an introduction-side artificial vessel which introduces a liquid into the ventricular assist blood pump; and a delivery-side artificial vessel which delivers the liquid from the ventricular assist system. In the ventricular assist system, a difference between a maximum flow rate and a minimum flow rate of a liquid in a state where the ventricular assist system 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 system is not connected to the liquid-discharge source.
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