GE Healthcare Senographe DS
Revision 1 Service Information and Procedures Class A 2385072-16-8EN
Job Card ELE A028 - Collimation Checks
Page no. 679 Chapter 7
JC-ELE-A-028.fm
Job Card ELE A028 - Collimation Checks Chapter 7
1 OBJECTIVE
To ensure that:
• there is no excessive extension of the X-ray field beyond the edges of the image receptor
• the X-ray field aligns with the light field,
• the chest wall edge of the compression paddle aligns with the chest wall edge of the image receptor
2SUPPLIES
None
3TOOLS
• One coin (e.g., a nickel, or a 5-Eurocent coin).
• 4 strips of GAFCHROMIC® XR-M film for each FOV and track tested
• Aluminium attenuator plate
• Radiation Protection Plate (used to protect the detector from excessive exposure to X-rays)
4 REQUIRED EFFORT
Personnel: 1 Field Engineer
Time: 20 minutes
5 SAFETY PRECAUTIONS
The procedures in this Job Card produce X-rays. Ensure that you take appropriate precautions when
operating with X-rays (for example, stay behind the radiation screen during an X-ray exposure).
6 PREREQUISITES
None
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