Medrad™ Intego™
PET Infusion System
84
Dose Calibrator Linearity
Check
To perform the Dose Calibrator Linearity check, follow these steps:
NOTE: The Dose Calibrator Linearity check is a required procedure to be performed
during the quarterly maintenance schedule.
NOTE: Use
18
F to perform the Dose Calibrator Linearity check. The activity should be higher
than 925 MBq (25 mCi) to ensure the full range of programmable doses are checked.
NOTE: The Linearity check proceeds until the
18
F activity decays to 3.7 MBq (100 μCi). If
required, this limit can be configured by MEDRAD to be as low as 370 kBq (10 μCi).
NOTE: If the lower limit on the Linearity check is set to less than 3.7 MBq (100 μCi), the
decay time will increase.
Weekly (INT SYS 200) With the Intego™ PET Infusion System powered Off, put
the Drive Controller to the full-speed forward position and power On the
system. The system should not move. If the system moves, contact
MEDRAD.
Monthly 1. Inspect and clean the entire Intego™ PET Infusion System thoroughly,
using the cleaning guidelines found earlier in this section.
2. Inspect the unit for any loose mechanical components and clean any
fluid or debris from the SAS tray, bulk dose well, dose calibrator well, or
waste container well.
3. Perform a complete operational checkout.
Quarterly Perform the Dose Calibrator Linearity check. Refer to the "Dose Calibrator
Linearity Check" section of this manual.
Annually As part of an annual maintenance program performed by MEDRAD or an
authorized dealer, MEDRAD recommends that the following checks and
procedures be performed.
1. Perform the Electrical Leakage check.
2. Perform the Ground Continuity check.
3. Perform the Dose Calibrator Calibration check (Refer to the "Dose
Calibrator Calibration" section of this manual).
4. Calibrate the Display.
5. Perform a complete system performance checkout. Contact MEDRAD
for complete details.
As Needed Perform Pinch Valve calibration. Refer to the "Calibrating the Pinch
Valves" section of this manual.
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