Apparatus and method for mixing with a diaphragm pump

Agitating – Stirrer within stationary mixing chamber – Flexible diaphragm

Reexamination Certificate

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Reexamination Certificate

active

07972058

ABSTRACT:
An apparatus for mixing a fluid including a storage vessel including a hollow portion for holding the fluid, the hollow portion including at least one access port, the at least one access port adapted to at least one of receive and expel fluid and a diaphragm pump in fluid communication with and removeably coupled to the vessel, the pump adapted to move fluid into and/or out of the hollow portion. Either the vessel or the pump can be disposable. Also, at least one portion of the vessel can be made of a flexible material that takes shape in relation to the contents of the hollow portion. Also, the fluid can be moved between the vessel and the pump by natural or artificial pressure.

REFERENCES:
patent: 2124983 (1938-07-01), Martin
patent: 5052813 (1991-10-01), Latto
patent: 5234605 (1993-08-01), Reipur et al.
patent: 6544424 (2003-04-01), Shevitz
patent: 6837610 (2005-01-01), Cadogan et al.
Bader et al., “A Disposable Mixing System for Hydrating Powdered Media and Reagents,” BioProcess Internaitonal Apr. 2005, 3 pages.
Anonymous, “An integrated single-use sterile system for mixing and maintaining homogenous aqueous solutions,” HyClone, undated, 2 pages.
Anonymous, “Low Shear Sanitary Diaphragm Pump for Gentle Pumping Applications in Bioprocessing,” PendoTech, copyright 2005 Pendotech, 4 pages.
Dutton, “In Silico Tools Streamline Drug Design,” Genetic Engineering News, Feb. 2006 , 4 pages.
Furey, “Optimizing Your Process Unit Operations,” Genetic Engineering News, vol. 25, No. 20, Nov. 2005 2 pages.

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