Automatic and Manual Modes
6-2
COBE
®
Spectra™ Apheresis System •
Essentials Guide
Automatic Mode
Table 6-1 describes how the FLOW, INLET:AC RATIO, and SPIN
RPM keys function in relation to changes during Automatic mode.
Table 6-1:
Key functions in Automatic mode
Key
(FLOW keys are
above
the display)
Function
Description
AC FLOW
AC pump flow rate
You cannot change the AC pump flow rate in Automatic mode.
INLET FLOW
Inlet pump flow rate
When you change the inlet pump flow rate, the Spectra system preserves the inlet:AC ratio by adjusting the
AC pump flow rate in direct proportion.
During all procedures except TPE and RBCX procedures, you can increase the inlet pump flow rate until the
AC infusion rate reaches a maximum of 1.2 mL/min/L of TBV, or the inlet pump flow rate is at the maximum.
If you increase the inlet pump flow rate to the point that the AC infusion rate exceeds 1.2 mL/min/L of TBV,
the “AC infusion rate exceeds allowable limits” alarm occurs. For information about the alarm, see
page 12-9.
PLASMA FLOW
Plasma/RBC pump flow rate
During ELP, LRS, LRST, TPE, RBCX, and AutoPBSC procedures, you cannot change the plasma/RBC pump
flow rate in Automatic mode. That pump flow rate changes automatically to maintain the optimum interface.
(Changes to the entered donor/patient Hct cause the plasma pump flow rate to change: Increasing
donor/patient Hct decreases the plasma pump flow rate.)
During WBC procedures, you can change the plasma pump flow rate to maintain a stable interface.
COLLECT/REPLACE FLOW
Collect/replace pump flow rate
During all procedures except WBC procedures
,
you cannot change the collect/replace pump flow rate in
Automatic mode.
INLET:AC RATIO
Inlet:AC ratio
Range: 3:1 to 50:1
If you change the inlet:AC ratio, the Spectra system changes the inlet pump flow rate only. The AC pump
flow rate remains the same.
For general information about configuring the inlet:AC ratio, see page 5-5 or Chapter 8.
Summary of Contents for Cobe Spectra
Page 1: ......
Page 7: ...COBE Spectra Apheresis System Essentials Guide 1 1 1 Preface ...
Page 27: ...COBE Spectra Apheresis System Essentials Guide 2 1 2 Introduction ...
Page 75: ...COBE Spectra Apheresis System Essentials Guide 5 1 5 Software Options and Configuration ...
Page 92: ...Software Options and Configuration 5 18 COBE Spectra Apheresis System Essentials Guide ...
Page 93: ...COBE Spectra Apheresis System Essentials Guide 6 1 6 Automatic and Manual Modes ...
Page 98: ...Automatic and Manual Modes 6 6 COBE Spectra Apheresis System Essentials Guide ...
Page 99: ...COBE Spectra Apheresis System Essentials Guide 7 1 7 Alarm Tests ...
Page 103: ...COBE Spectra Apheresis System Essentials Guide 8 1 8 Anticoagulation ...
Page 109: ...COBE Spectra Apheresis System Essentials Guide 9 1 9 Fluid Volumes ...
Page 115: ...COBE Spectra Apheresis System Essentials Guide 10 1 10 General Maintenance ...
Page 120: ...General Maintenance 10 6 COBE Spectra Apheresis System Essentials Guide ...
Page 121: ...COBE Spectra Apheresis System Essentials Guide 11 1 11 Helpful Hints and Recovery Procedures ...
Page 133: ...COBE Spectra Apheresis System Essentials Guide 12 1 12 General Alarms and Troubleshooting ...
Page 197: ...COBE Spectra Apheresis System Essentials Guide 13 1 13 Specifications ...
Page 208: ...Specifications 13 12 COBE Spectra Apheresis System Essentials Guide ...
Page 209: ...COBE Spectra Apheresis System Essentials Guide 14 1 14 Data Input Limits ...
Page 212: ...Data Input Limits 14 4 COBE Spectra Apheresis System Essentials Guide ...
Page 213: ...COBE Spectra Apheresis System Essentials Guide 15 1 15 The Seal Safe System ...
Page 224: ...The Seal Safe System 15 12 COBE Spectra Apheresis System Essentials Guide ...
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