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US 6,844,186 B2Granted
Disposable vessel
AssigneeWheaton USA, Inc.
InventorKenneth B. Carll
Life of this patent
Estimating the term…
Abstract
The present invention relates to an improved vessel for cell culture and methods for its use. The vessel of the present invention comprises a collapsible bag with an inner surface, an outer surface and a top periphery and a headplate having a circumferential edge wherein the top periphery of the bag is sealed to the edge of the headplate. The present invention also relates to an impeller for use with the vessel and a method for culturing cells.
Claims10
A vessel for cell culture comprising:
- a headplate having a top surface and a circumferential edge;
- a collapsible bag with an inner surface, an outer surface and a top periphery, said top periphery of said bag sealed to said edge of said headplate;
- and
- an impeller having a flexible blade, a central axis, and a shaft extending from said headplate into said collapsible bag wherein said shaft does not extend above said top of said headplate, said impeller attached to said headplate such that said impeller does not rotate about its central axis.
1 more element
A vessel comprising:
- a headplate having a top surface and a circumferential edge;
- a collapsible bag with an inner surface, an outer surface, and a top periphery, with said top periphery of said bag sealed to said edge of said headplate;
- and
- a flexible impeller having a central axis, a shaft extending from said headplate into said collapsible bag wherein said shaft does not extend above said top of said headplate, and a blade within said collapsible bag, said impeller attached to said headplate so that said impeller does not rotate about its central axis.
1 more element
Dependencies are inferred from the claim text.