Liquid purification or separation – Constituent mixture variation responsive
Reexamination Certificate
2007-05-15
2007-05-15
Cecil, Terry K. (Department: 1723)
Liquid purification or separation
Constituent mixture variation responsive
C210S143000, C436S052000, C436S063000, C604S006010, C604S006070, C604S065000
Reexamination Certificate
active
11198804
ABSTRACT:
A biological suspension processing system is disclosed that may include a suspension treatment device for treating one or more components of a biological suspension, a first fluid flow path for introducing a suspension into the treatment device and a second fluid flow path for withdrawing a constituent of the suspension from the device. At least one microelectromechanical (MEM) sensor communicates with one of the fluid flow paths for sensing a selected characteristic of the fluid therewith. The MEM sensor may be located elsewhere, such as on a container or bag and communicate with the interior for sensing a characteristic of the fluid contained therein. A wide variety of characteristics may be sensed, such as flow rate, pH, cell type, cell antigenicity, DNA, viral or bacterial presence, cholesterol, hematocrit, cell concentration, cell count, partial pressure, pathogen presence, or viscosity.
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Cork William H.
Lo Ying-Cheng
Min Kyungyoon
Ulmes James J.
Weber Mark C.
Cecil Terry K.
Cook Alex McFarron Manzo Cummings & Mehler, Ltd.
Fenwal, Inc.
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