Introduction
24
Spectra Optia Apheresis System Operator’s Manual
Valves
Sensors and detectors
Return line air detector
The return line air detector is an ultrasonic detector located in the return pump that detects air in the return line. If
the volume of air detected exceeds what is safe for the patient to have in circulation, the return line air detector
Table 2-4:
Valves
Valve
Function
6
RBC valve
Directs the flow of red blood cells from the channel.
7
Plasma valve
Directs the flow of plasma from the channel.
8
• Remove valve (exchange)
• Collect valve (collection,
depletion)
Directs the flow of the separated blood components pumped from the channel.
Table 2-5:
Sensors and detectors
Sensor/Detector
Function
9
Inlet pressure sensor
Monitors negative pressure in the inlet line to ensure that adequate inlet pressure is
maintained.
10
Low-level reservoir sensor
Monitors the volume of fluid in the reservoir, and ensures that air does not enter the
return line.
11
Return pressure sensor
Monitors positive pressure in the return line to ensure that the correct level of return
pressure is not exceeded.
12
High-level reservoir sensor
Monitors the volume of fluid in the reservoir to help control the volume of fluid in the
tubing set.
13
Centrifuge pressure sensor
Monitors pressure in the channel and lines in the centrifuge to ensure that the
correct level of pressure is not exceeded.
14
Barcode reader
Reads the tubing set identification number on the cassette to ensure that the correct
tubing set is loaded for the procedure selected.
15
RBC detector
• Exchange procedures: Detects red blood cells in the plasma line.
• MNC collection procedures: Detects red blood cells in the collect line.
16
• Plasma pressure sensor
(exchange)
• Collect pressure sensor
(collection, depletion)
• TPE with a secondary plasma device (SPD) procedures: Monitors pressure in the
plasma line.
• Collection and depletion procedures: Monitors pressure in the collect line.
17
Return line air detector
(Detector is a component of the
return pump.)
Monitors air in the return line. Signals the system if the patient has excess air in
circulation.
18
AC fluid detector
Detects fluid in the anticoagulant (AC) line. Signals the system if the line contains air
instead of fluid.
19
Replacement fluid detector
Exchange and depletion procedures: Detects fluid in the replace line. Signals the
system if the line contains air instead of fluid.
SpectraOptiaOpsManual.book Page 24 Thursday, May 17, 2018 11:24 AM