Gambro Cobe Spectra, Essentials Manual

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Helpful Hints and Recovery Procedures
COBE
®
Spectra™ Apheresis System • Essentials Guide 11-11
d Remove the Single-Needle bag from the Return Flow
Controller and place it on top of the centrifuge cover (see
Figure 11-3).
e Wait 10 seconds to allow the diaphragm in the sensor to
reposition itself. (The four dots on the diaphragm move away
from the back of the sensor.)
f Leave the saline container and the Single-Needle bag on top of
the centrifuge cover, and load the pressure sensor into its
housing. Push in and turn the sensor clockwise to lock.
g Re-install the Single-Needle bag in the Return Flow Controller.
Set the Return Flow Controller to the prime position.
h Rehang the saline bag.
i Re-insert the return line in the return valve.
Figure 11-3: Repositioning the return pressure sensor diaphragm
(Single-Needle procedures)
During Run mode:
a Ensure the Single-Needle bag is empty. (If necessary, pull open
the return line valve and allow the bag to empty.)
b Clamp the return line at the return line valve.
c Note the setting of the Return Flow Controller, then remove
the Single-Needle bag from the Return Flow Controller and
place it on top of the centrifuge cover (see Figure 11-3).
d Wait 10 seconds to allow the diaphragm in the sensor to
reposition itself. (The four dots on the diaphragm move away
from the back of the sensor.)
e Leave the Single-Needle bag on top of the centrifuge cover, and
load the pressure sensor into its housing. Push in and turn the
sensor clockwise to lock.
f Re-install the Single-Needle bag in the Return Flow Controller.
Reset the Return Flow Controller back to the correct setting.
g Remove the clamp from the return line.
3
Remove the clamp above the return pressure sensor.
4
Press CONTINUE to resume the procedure.
2
3 4
5 6
7
Saline
container
Return line
valve
Clamp
Single-Needle bag
has been removed
from RFC
Return Flow
Controller