Abdominal cavity-vein shunt stent
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United States of America Patent
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Jul 19, 2016
Grant Date -
Dec 5, 2013
app pub date -
Feb 18, 2011
filing date -
Feb 18, 2011
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Abstract
An abdominal cavity-vein shunt stent provided for transporting ascites accumulated in the abdominal cavity of a patient to a vascular system, includes: a stent body which extends cylindrically long and which has one end disposed in the intrahepatic vein, and the other end piercing the liver parenchyma and disposed in the abdominal cavity; and a one-way valve which is disposed in the stent body, which is opened to drain ascites into the intrahepatic vein when a differential pressure obtained by subtracting the pressure of the intrahepatic vein from the pressure in the abdominal cavity is not lower than a predetermined value, and which is closed when the differential pressure is lower than the predetermined value.
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