C - Chemistry – Metallurgy – 07 – K
Patent
C - Chemistry, Metallurgy
07
K
C07K 14/75 (2006.01) A61J 1/00 (2006.01) A61K 35/14 (2006.01) A61M 1/02 (2006.01) A61M 1/36 (2006.01) B01D 9/00 (2006.01) C07K 1/30 (2006.01)
Patent
CA 2113695
ABSTRACT OF THE DISCLOSURE An instrumentality for promulgating the cryoprecipitation of fibrinogen from a blood product. The instrumentality contemplates a container for the blood product, an apparatus for creating the fibrinogen within the container and a method of manipulating the container within the apparatus and subsequently after fibrinogen has been formed. The apparatus includes a receiver within which the container is supported, a motion transfer device for the receiver to impart motion to the container while simultaneously subjecting the container to a temperature differential to cause heat transfer. The motion imparted to the container results in a thin coating of the blood product being disposed on an interior surface of the container which, in turn, is exposed to a heat transfer fluid through the wall of the container. Successive coatings placed on an interior of the container are timed such that each coating is placed on a previous coating that has changed phase. Flexure of the container after the contents of the container have been frozen can occur by providing a vacuum within the container causing an implosion of frozen material.Subsequent phase change back to a liquid and then a second freeze/thaw followed by centrifugation causes a cryo-fraction to be precipitated therefrom. The container within which the blood product is housed includes an opening for admission of the blood product therewithin, an outlet for extraction of fibrinogen and access to a source which can provide a pressure differential vis a vis the interior and exterior of the container. Information of the temperature profile within the container may also be provided.
Coelho Philip Henry
Wolf Terry
Smart & Biggar
Thermogenesis Corp.
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