COBE

COBE Spectra Apheresis System

Spectra Service Manual

Service Manual

376 Pages

SECTION 1: INTRODUCTION This service manual is intended for the person who will be servicing the COBE Spectra™ Apheresis System. It is extremely important that the service technician thoroughly read and understand the contents of this manual before attempting to repair or maintain the machine. Refer to the COBE Spectra™ Apheresis System Operator’s Manual for information on installation and operation of the Spectra system.  System Description The Spectra Apheresis System is intended to separate and collect blood components from both donors and patients. From donors, blood components are collected for transfusion to patients. For patients undergoing a therapeutic procedure, blood components are either depleted (e.g., platelet depletion) or exchanged (e.g., therapeutic plasma exchange). Currently, Spectra performs the following procedures: platelet collections and depletions, white blood cell removals, therapeutic plasma exchanges, and red blood cell exchanges. The Spectra system consists of disposables (preconnected channel and blood tubing) and a machine (apheresis system). The system components include the following: •  The Spectra Apheresis System – is an automated blood cell separator that provides the functions necessary to control and monitor the extracorporeal circuit during apheresis procedures.  •  The Spectra Blood Tubing Set – consists of a channel that spins in the centrifuge to separate blood components and blood tubing that routes blood and replacement fluids through the system.  •  The Spectra Apheresis System uses a continuous-flow centrifugal method (except in single needle) to separate whole blood into its major components: erythrocytes (red cells), leukocytes (white cells), platelets, and plasma. Whole blood is drawn from a donor or patient, anticoagulated, pumped into the centrifuge, and separated into components. The component removed is collected and the other components are returned to the donor/patient. For therapeutic plasma exchange procedures, replacement fluid is combined with the returned components.  The apheresis system is capable of operating under manual or automatic control. Under manual control, all flow rates and speeds (including anticoagulant and centrifuge) are adjustable. Under automatic control, operations are controlled by machine software calculations (algorithms) based on donor/patient data entered at the beginning of the procedure. This data – height, weight, and sex – is used to calculate the total blood volume (TBV) of the individual. Once Spectra accumulates this data, it can set pump flow rates and centrifuge speed to optimize blood separation by automatically controlling the RBC/plasma interface. The actual separation of blood components is effected inside the channel portion of the disposable blood tubing set. Another major feature of the Spectra is its ability to predict the platelet yield at the end of the procedure. The collect concentration monitor (CCM), an optical sensor used to count platelets, keeps the operator updated with current yield information. This allows the operator to make changes during the procedure, if necessary, to obtain the desired results.  SPECTRA™ SERVICE MANUAL  INTRODUCTION  1-1
File Type: PDF
File Size: 3.11 MB
File Name: spectra_service_manual.pdf

By clicking Download you are confirming this is the correct document for your purposes
and that you agree to our Terms & Conditions