Siemens MAMMOMAT Novation DR - Checking Grid Lines; Checking Visibility of Grid Lines

9 - 1
Siemens AG SPB7-250.815.02 Page 1 of 20 MAMMOMAT Novation
DR
Medical Solutions Rev. 02 09.04 CS SD 24 System
Image Quality 9
Checking Grid Lines 9
This chapter contains .
• "Checking visibility of grid lines" on Page 9 - 1
• "Measuring grid lines" on Page 9 - 3
If grid lines are visible in one or more images the grade of grid lines must be measured.
The criteria for the mean pixel value difference of the visible grid lines is less then 1%.
• "Eliminating Grid lines" on Page 9 - 4
Pre Conditions
• The system is up and running.
• The operator is logged in to the system.
• The compression plate simulator is mounted on the MAMMOMAT.
Checking visibility of grid lines 9
1. Register or create a patient Grid lines test and submit with Exam.
Fig. 1 Calibration - Patient register