Fenwal 4R5707 Operator's Manual page 447

07-19-01-518 – January 2009
A C
LYX OMPONENT
If the value displayed or calculated is below 85% recovery, the
cause of the failure must be investigated in accordance with
center SOPs. The following list of causes may be investigated for
a collection that is below 85% recovery. Refer to Chapter 1 -
Introduction, "Performance and Blood Component Quality" for
a complete listing of situations which could affect the quality of a
product.
• Inappropriate burping techniques – results in the loss of red
cells.
• Multiple alarms during filtration – entire red cell product not
filtered.
• Improper weighing techniques – not waiting for weights to
settle or bumping the scale when weights are being finalized.
C S O
OLLECTION YSTEM
' M
PERATOR S ANUAL
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PPENDIX
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