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
2
SUPPLIES
None
3
TOOLS
•
One coin (e.g., a nickel, or a 5-Eurocent coin).
•
4 strips of
film for each FOV and track tested
•
•
(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
