Apparatus and method for particle separation in a closed field
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United States of America Patent
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Sep 30, 1997
Grant Date -
N/A
app pub date -
Apr 23, 1993
filing date -
Oct 23, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A particle separator is provided for collection and manipulation of target particles, e.g., target cells, in a closed sterile field condition. In one embodiment, closed sterile field conditions are maintained from separation through concentration and/or cryo treatment steps and/or transfusion. Preservation of closed sterile field condition are accommodated by using the same integrally coupled rigid-walled vessel for collection and concentration and transfer via integrally coupled conduits to a vessel for cryopreservation and/or transfusion. In one embodiment, a plurality of valves are responsive to a data processor for controlling the path of fluid flow through the particle separator. A plurality of sensors are provided for providing sensor signals indicative of fluid flowing through the cell separator. A peristaltic pump is responsive to the microprocessor assembly for controlling the speed and direction of fluid flow through the system. A stir plate assembly is responsive to a signal from the data processor for controllably agitating the contents of the cell separator.
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