14
1.1 Xpress Digital Mammography System Overview of
Testings
Responsibility
Frequency
Chapter
Test No. Test Item
At
Installation
(Baseline)
Daily Weekly Monthly Quarterly
Semi-
Annually
Annual
*2
Technologist
ü
2 1 Daily Operational Checks
(
ü
)
*1
ü
*1
2 2 Printer QC (Technologist)
(
ü
)
ü
2 3
View Boxes and Viewing
Conditions (Technologist)
(
ü
)
*1
ü
*1
2 4 Monitor QC (Technologist)
ü ü
2 5
Contrast to Noise Ratio
(CNR) Check
(
ü
)
ü
2 6
Phantom Image Quality
(Technologist)
ü ü
2 7 Visual Inspection
ü
2 8 Repeat Analysis
ü ü
2 9 Compression Force Test
ü ü
2 10 Imaging Plate Fog
Medical
Physicist
ü
ü
3 1 Physical Inspection
ü
*3
ü
3 2
Tube Voltage Measure-
ment and Reproducibility
ü
*3
ü
3 3 Beam Quality
ü
*3
ü
3 4 Radiation Output Rate
ü
*3
ü
3 5 Average Glandular Dose
ü
ü
3 6
View Boxes and Viewing
Conditions (Medical Physi-
cist)
ü
*1
ü
*1
3 7
Printer QC (Medical Physi-
cist)
ü
*1
ü
*1
3 8
Monitor QC (Medical
Physicist)
ü
ü
3 9 Dark Noise
ü
ü
3 10 Ghost Image Evaluation
ü
ü
3 11
S value Response Indica-
tor
ü
ü
3 12 AEC Performance Checks
ü
ü
3 13 Collimator Assessment
ü
ü
3 14
CR Reader Scanner Per-
formance
ü
ü
3 15 Spatial Resolution
ü
ü
3 16 Artifact Evaluation
ü
ü
3 17 Inter-Plate Consistency
ü
ü
3 18
Phantom Image Quality
(Medical Physicist)
*1 Follow the manufacturer's QC guidelines for devices that have received US FDA clearance if applicable.
*2 Also required to be carried out after any major service or maintenance on a component(s) which may aect the performance to
be tested.
*3 Consult your mammography X-ray unit vendor to verify that the mammography X-ray unit meets the MQSA requirements.
(
ü
) The baseline test can be covered by the same test item for Medical Physicist.