Apparatus and method for separating fluid into components thereo

Imperforate bowl: centrifugal separators – With condition responsive means – For controlling outlet valve

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494 17, 494 37, B04B 502

Patent

active

044026803

ABSTRACT:
An improved method and apparatus are disclosed for sealing the outlet port of a flexible blood-processing bag after a separated first blood component has been expressed therefrom. The improvements relate to the use of a valve contained within the flexible blood-processing bag and responsive to the difference in specific gravities between first blood component and second blood component. For example, the valve may comprise a stopper ball having a specific gravity which allows it to float at the interface between first and second blood component.

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