SynCardia TAH-t Instructions for Use
SynCardia Systems, Inc.
Page 22
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Verify console AC POWER and CHARGE LEDs are green, indicating
system has AC power.
•
Verify that both controller AC POWER/BATT CHRG indicator lights
are on.
•
Connect main air supply and verify pressure is 50–110 psi (340-575
kPa) at system power interface panel gauge.
•
Open primary and reserve air tank valves and verify they are fully
charged.
•
Set primary and backup controllers to values listed below:
Left Drive Pressure = 0 mmHg; Right Drive Pressure = 0 mmHg
Vacuum = 0 mmHg
Heart Rate = 40 bpm
Systolic Duration = 33%
Be sure vacuum remains off until the patient’s mediastinum is closed.
•
Turn computer on. Wait for WCOMDU to load. Select Patient
Monitoring Mode. Enter patient identification requested. Inhibit
WCOMDU alarms during startup.
•
Be sure that LDP, RDP and VACUUM are zero. Turn primary
CONTROLLER key switch On and press controller ALARM RESET
button.
•
Turn ALARM SYSTEM key switch to ON. Mute console hardware
alarms until LDP > 90 mmHg and RDP > 20 mmHg.
•
Verify controller is operating normally; connect left ventricle driveline
to controller upon order by surgeon. After left ventricle is connected
and de-aired, await instructions from surgeon to start. To start left
ventricle, raise LDP to about 100 mmHg. You should see a slight
overload of the cardiopulmonary bypass waveform and WCOMDU
may show a small output.
•
Connect right ventricle driveline to controller. After right ventricle is
connected and de-aired, await surgeon’s instructions to start the right
ventricle. To start right ventricle, raise RDP to 40 mmHg.
•
As the perfusionist begins to slow venous return, SynCardia TAH-t
filling should increase. As filling increases, adjust drive pressures,
heart rate and systolic duration to prevent full fill and to provide full
ejection. Normal range is LDP= 170-210 mmHg, RDP= 60-100
