Terumo BCT Trima Accel, Service Manual

Page: 167 / 340

Rinseback Recirculate Substate
The inlet and return pumps are commanded to predetermined speeds to recirculate the blood in the
channel before returning it to the donor. After a predetermined inlet volume is processed, the Trima
Accel system advances to the Rinseback substate.
Table 3-43: Rinseback Recirculate Substate
AC Pump
(mL/min) Inlet Pump
(mL/min)
Plasma
Pump
(mL/min)
Platelet
Pump
(mL/min)
Return
Pump
(mL/min)
Platelet
Valve
Plasma
Valve
RBC
Valve
Centrifuge
(rpm)
0 100 Qplas Qplat 100 Return Return Return 3000
Exit Condition When 50 mL is processed by the inlet pump.
Rinseback (Rinseback Return) Substate
The centrifuge is commanded to zero. The inlet pump is also commanded to zero and the plasma,
platelet, and return pumps run until the lower-level sensor sees air and a predetermined return volume is
processed. When this occurs, the Trima Accel system advances to the Disconnect Prompt substate.
Table 3-44: Rinseback Substate
AC Pump
(mL/min)
Inlet
Pump
(mL/min)
Plasma
Pump
(mL/min)
Platelet
Pump
(mL/min)
Return
Pump
(mL/min)
Platelet
Valve
Plasma
Valve
RBC Valve
Centrifuge
(rpm)
0 0 Qplas Qplat Qret, 0 Return Return Return
Return,
Collect*
0
*Versions 5.1.8 and 5.1.9
Exit Condition When the lower-level sensor detects air or 20 mL processed by the return pump.
Software Description
3-34 Trima Accel
®
Automated Blood Collection System • Service Manual