P/N 53063-30, Manual revision: B
5-11
Cell Saving using Automatic Operation
If the operator presses the Modify key during the EMERGENCY mode to ac-
cess the processing parameters, the following information will be displayed:
Figure 5-7, Example of the EMERGENCY mode setup screen display
The
Wash Volume, Pump RBCs to (RETURN)
and
No WASH options
are the
only processing parameters which can be adjusted in the EMERGENCY
mode.
The EMERGENCY mode will be stopped automatically once the air detector
has sensed air in the tubing. The screen display will change to the AUTO-
MATIC mode STANDBY state screen display.
Explaining the CONCENTRATE state option
The concentration option is used when the volume of red blood cells in the
bowl is low and it becomes necessary to wash and return whatever cells are
present. This is sometimes the case at the end of a procedure when the bowl
is not completely full and yet no more blood loss is expected.
During the CONCENTRATE state, the blue line valve opens and the washed,
packed red blood cells are sent from the reinfusion bag to the bowl to in-
crease the RBC volume in the bowl and thus maintain a high hematocrit
product. Washing a partially filled bowl would produce a low hematocrit
end product.
The operator can access the CONCENTRATE state during automatic opera-
tion if the CS5+ system detects an empty reservoir during a a FILL state and
moves into the STANDBY state. At this point, the Conc key will be backlit
on the keypad.
Note: The Conc key will only be available in the STANDBY state if the rein-
fusion volume displayed on the right side of the display screen is greater
than 0.
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