Imperforate bowl: centrifugal separators – Including sealing means – For sealing between stationary and moving elements
Reexamination Certificate
2006-12-14
2011-12-06
Cooley, Charles E (Department: 1774)
Imperforate bowl: centrifugal separators
Including sealing means
For sealing between stationary and moving elements
C494S026000, C494S036000, C494S038000
Reexamination Certificate
active
08070666
ABSTRACT:
A disposable device for centrifugation of blood is used for separating or also washing constituents of the blood includes a centrifugation chamber with a revolving shaft and an opening through which the shaft passes, a rotational guide, a rotational driver, and at least one static member for admission/evacuation engaged in the centrifugation chamber. This member includes at least one channel for intake of the blood and at least one outlet channel for one of its constituents, and at least one admission channel for a pressurized gaseous fluid which opens out inside the centrifugation chamber. A gap is formed in the opening between the centrifugation chamber and the static member and allows the gaseous fluid to escape from the centrifugation chamber.
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International Search Report of PCT/CH2006/000701, date of mailing Mar. 21, 2007.
Written Opinion of the International Searching Authority (Form PCT/IB/373) of International Application No. PCT/CH2006/000701 having a International filing date of Dec. 14, 2006 with translation forms PCT/ISA/237.
Cooley Charles E
Westerman Hattori Daniels & Adrian LLP
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