Method and apparatus for centrifugal separation

Imperforate bowl: centrifugal separators – Including plurality of miniature bowls distrubuted about... – And means for introducing either material or auxiliary fluid...

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229 6R, 229 27, 604410, 494 20, 494 21, 494 74, B04B 502, B04B 1100

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044137710

ABSTRACT:
A blood bag is described which aids in maintaining the separation of blood components. This bag is constructed of a flexible plastic, has a conical top leading to an outlet line and internal septa to reduce swirling of the bag's contents during rotor deceleration. The bag is adapted to be placed in a split sleeve prior to placement in the swinging bucket of a centrifuge rotor. A collar is placed over the top of the bag to aid in reducing wrinkles in the bag.
Methods are described for reducing contamination of separated blood components by reducing bag wrinkles, reducing swirling of the blood fractions during rotor deceleration, and reducing mixing during expression.

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