Terumo BCT Trima Accel, Service Manual

Page: 153 / 340

Successful completion of the Donor Connected state results in the following conditions and actions.
Exit Condition
Trima Accel System
Condition
Trima Accel System Action
The operator touches the
Continue
button.
Pause. The Trima Accel system advances to the Blood
Prime state.
Blood Prime State
The Trima Accel system begins priming the tubing set with the donor's blood during the Blood Prime
state.
The access pressure sensor alarms are enabled for the first time, the centrifuge starts, and the Trima Accel
system begins updating and displaying collection procedure information. This system state ends when
fluid is detected at the lower-level sensor and the centrifuge runs at the commanded speed. Successful
completion of the Blood Prime state results in the following conditions and actions.
Exit Condition
Trima Accel System
Condition
Trima Accel System Action
Blood Prime substates have
completed. Under algorithm control. The Trima Accel system advances to the Blood
Run state.
Blood Prime Substates
The Blood Prime state consists of four substates: Two substates prime the inlet and return lines with
blood, and two substates vent pressure from the product bags.
Blood Prime Inlet (Blood Prime Inlet Lines) Substate
The inlet and AC pumps run at the calculated collection procedure values (Qac and Qin) for the chosen
procedure with all valves remaining in the return position. The centrifuge is commanded on. When a
version-specific predetermined inlet volume is pumped, the Trima Accel system advances to the Blood
Prime Return substate.
Table 3-19: Blood Prime Inlet 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)
Qac Qin 0 0 0 Return Return Return 200
Exit Condition When 13 mL is processed by inlet pump and centrifuge reaches 200 rpm.
Software Description
3-20 Trima Accel
®
Automated Blood Collection System • Service Manual