Method of preserving a platelet concentrate under elevated xenon concentration and pressure with refrigeration
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United States of America Patent
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Apr 17, 2012
Grant Date -
Jan 14, 2010
app pub date -
Jul 7, 2009
filing date -
Jul 7, 2008
priority date (Note) -
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Abstract
Provides are improved methods for storing platelets and compositions that contain stored platelets for use in transfusions. The method entails obtaining a platelet concentrate from blood obtained from an individual and holding the platelet concentrate in at refrigerated temperatures under an atmosphere having a pressure of from 3.5 to 5 bars comprising more than 65% xenon and for at least one week. Also provided is a refrigerated composition that contains a platelet concentrate, wherein the platelet concentrate contains xenon, and wherein the platelet concentrate has been isolated from an individual for at least seven days.
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