Blood collection device

Details Blood collection device Blood collection device

B - Operations, Transporting

04

B

B04B 5/00 (2006.01) B01L 3/14 (2006.01) G01N 33/48 (2006.01) A61M 5/32 (2006.01) A61M 5/50 (2006.01)

Patent

CA 2029459

-0- BLOOD COLLECTION DEVICE ABSTRACT A device is disclosed that causes phase separation of whole blood, using much lower centrifugal forces. As a result, lymphocytes are separated from blood cells having specific gravities of 1.08 g/ml or higher. The device features a separation chamber arranged so that its long dimension or axis is parallel, not perpendicular, to the spin axis, and a valve that allows automatic removal of the lighter phase(s). The valve is constructed to respond only to the head of liquid pressure generated by an increased centrifugal force, and not to that incresed force alone.

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