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Telan Corporation

Richard J Griffin

Gary E Griffin

Carrying pouch for a catamaran sailboat

A barrier device, advantageously utilized to separate blood serum from other components by centrifuging, and preferably in the form of a truncated cone having stabilizer posts extending from the conical base in the direction of truncation and an axial post extending from the opposite, concave side is disclosed. A strip of pliable material having complementary depressions therein serves as a package and dispenser for the barrier device. Insertion into a test tube is preferably accomplished by placing the test tube in the opening of the depression and ejecting the barrier device by pressure against the post through the pliable packaging material.

Barrier device, packaging and method

Blood serum is separated from other components of whole blood by inserting a barrier device having a specific gravity between that of the blood serum and the other blood components into a centrifuge containing a sample of whole blood, and centrifuging until the barrier device migrates to a position intermediate the blood serum and the other blood components. The preferred form of the barrier device is a truncated cone having stabilizer posts extending from the conical base parallel to the axis of the cone in the direction of truncation.

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Denver, CO, United States of America

Richard J Griffin