Method and Apparatus for Controlling a Cell Expansion Apparatus
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United States of America Patent
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Issued Date -
Nov 10, 2011
app pub date -
May 2, 2011
filing date -
May 4, 2010
priority date (Note) -
Abandoned
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Abstract
A method for controlling cell expansion comprising conducting a fluid containing cellular matter into a cellular growth area; providing oxygenated fluid to said cellular growth area to maintain conditions conducive for cell growth in said cellular growth area; monitoring inflow and outflow conditions; determining rates of change (first derivative) for selected conditions and calculating cell numbers therefrom; determining a rate of change of a rate of change (second derivative) for the selected conditions and calculating a predicted process time; and terminating the growth process when adequate cell numbers have been produced and an apparatus for performing the method.
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