Biological processing apparatus for expressing fluid material

Details Biological processing apparatus for expressing fluid material Biological processing apparatus for expressing fluid material

2005-02-08

2005-02-08

Cooley, Charles E. (Department: 1723)

Imperforate bowl: centrifugal separators

With means for exchanging heat

C494S027000, C494S045000

Reexamination Certificate

active

06852074

ABSTRACT:
A method and apparatus for selectively expressing one or more selected fluid materials out of a fluid container, including a centrifuge rotor having a round centrifuge chamber of selected volume, a round expandable enclosure disposed within the centrifuge chamber having a rotation axis coincident with the central rotation axis and a flexible wall, a pump for controllably pumping a selected volume of expresser fluid into and out of the expandable enclosure wherein the fluid container is receivable within the centrifuge chamber, and a retaining mechanism for holding the fluid container within the centrifuge chamber in a coaxial position. The flexible wall of the fluid container is in contact with the flexible wall of the expandable enclosure.

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