Hologic DISCOVERY A, Техническое руководство

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Discovery QDR Series Technical Manual
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4. Align the phantom so that the laser crosshair is on the phantom laster target.
Using the laser as a guide, adjust the phantom to be parallel to the table edges
(just like when performing a QC scan).
5. On the APEX/QDR main screen, select Perform Exam.
6. Create a test patient biography.
7. Select OK at patient Confirmation Screen.
8. On the Select Scan Type screen select AP/Lateral Pair. Uncheck Use Default
Scan Mode and click Next.
9. Select Array and click Next.
10. On the Select Lateral Scan Mode screen select Array and click Next.
11. Verify the alignment of the spine phantom to the laser.
12. Change Scan Length to 6.0 inches and click Start Scan to perform the AP scan.
13. When scan has finished, select Spine as the analysis method, and click Next.
14. Analyze the scan, and click Start Position. At the bottom of screen verify that the
centerline angle is + 2 degrees. If OK, go to the next step. If not OK, restart the
procedure (go back to Step 1), being careful to align the phantom properly to the
laser.
15. If you are using an Anthropomorphic Spine Phantom (resembles vertebral bod-
ies, Part Number 030-1967), skip this step.
If you are using a DXA Quality Control Phantom (aluminum representations of
vertebral bodies, Part Number ASY-01564), place 2 sheets of paper along the left
and right edges of the phantom as shown in Figure 3-27.
Figure 3-27.