Liquid purification or separation – Constituent mixture variation responsive
Reexamination Certificate
2006-02-07
2006-02-07
Cecil, Terry K. (Department: 1723)
Liquid purification or separation
Constituent mixture variation responsive
C210S143000, C436S052000, C436S063000, C604S006010, C604S006070, C604S065000
Reexamination Certificate
active
06994781
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 on 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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PCT Search Report, Aug. 22, 2003.
Cork William H.
Lo Ying-Cheng
Min Kyungyoon
Ulmes James J.
Weber Mark C.
Baxter International Inc.
Cecil Terry K.
McFarron Gary W.
Price Bradford R. L.
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