72 MI-42-0001 Rev. 19
SCANNING: Before Scanning
Figure 39
NOTES:
• AIRO will allow patient scans to be performed when gain calibration and quality checks have
not been done. However, this is not recommended.
• When all required scans are complete, the dialog no longer appears.
Quality Checks must be performed per hospital requirements. The type of scanning needed (Axial
or Helical) in the clinical environment determines the type of quality checks that on-site hospital
technicians must run. In addition, performing the quality checks in the direction of required patient
scans is recommended.
Daily Quality Checks include testing for imaging system alignment, CT number accuracy, CT
number noise, and CT number uniformity. They expire after 18 hours.
Full Quality Checks are full tests of system alignment and functionality that expire after 6 months.
When required, they can be performed in place of Daily Quality Checks.
If maintenance scans fail, adjust the system and phantom alignment and try again. If the
maintenance scans consistently fail contact Technical Service.
Condition Options
Warm-up Scan
• A Warm-up scan must be performed before any other scans
can be performed.
NOTE:If Warm-up Scan is listed on the Required
Maintenance Scans dialog, touching
OK
may launch the
Warm-up Scan. See section 6.7 Daily Warm Up Scan.
E-Stop test
• An E-Stop test, or Emergency Stop test, must be performed
to ensure scanner safety overrides are functioning properly
in case of emergency. See section 7.2 Service Functions
Gain Calibration
• You must calibrate the system to ensure the best image
quality possible. See section 7.3 Daily Gain Calibration.
Helical Daily Quality Check • Limited daily system testing of Helical Scan functionality.
Helical Full Quality Check
• Full system testing of Helical Scan functionality.
NOTE:Run this check at least once every 6 months.
Axial Daily Quality Check • Limited daily system testing of Axial Scan functionality.
Axial Full Quality Check
• Full system testing of Axial Scan functionality.
NOTE:Run this check at least once every 6 months.
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