Culture vessel for growing or culturing cells, cellular aggregat

Details Culture vessel for growing or culturing cells, cellular aggregat Culture vessel for growing or culturing cells, cellular aggregat

1998-07-02

1999-11-23

Redding, David A.

Chemistry: molecular biology and microbiology

Animal cell, per se ; composition thereof; process of...

Method of culturing cells in suspension

4352867, 4352931, 4352971, 4352972, 4352982, C12N 1500, C12M 300

Patent

active

059899131

ABSTRACT:
A bioreactor system for culturing cells, cellular aggregates, tissues and organoids and methods of using same includes a cylindrical reactor vessel having an unobstructed longitudinal axis that is rotated about that horizontal axis to suspend cells and/or tissue in a culture medium. Filters are used within the vessel to retain the cells and/or tissues within the culture chamber and may be also used to subdivide the culture chamber. A pump maintains a flow of oxygen rich culture medium through the vessel to sustain cell respiration. A gas exchange device maintains desired gas concentrations in the medium and the entire system is operated within an enlarged incubator to maintain appropriate temperatures. Access ports on the vessel are used to introduce various materials into the culture chamber and to remove bubbles that may form in the medium. Sensors and a microprocessor unit monitor operational conditions and direct adjustments to maintain desired conditions.
Several methods of operating the bioreactor system are also disclosed wherein the vessel is used to culture cells, to grow three dimensional cellular aggregates and tissues, to filter waste materials and toxins from fluids, to commercially produce various biological materials from cells and/or tissue, and as a diagnostic or research tool.

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