GE Healthcare eXplore Locus SP, Руководство по обслуживанию

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GE H
EALTHCARE
D
IRECTION
5158821-100, R
EVISION
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X
PLORE
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OCUS
SP S
ERVICE
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UIDE
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Note: Details concerning the following steps are found in the eXplore Locus SP User Guide . Refer to it
for particulars.
3. Warm up the X-Ray Source.
4. Once warmed up, launch eXplore Scan Manager .
5. Click Scan New Subject and name the subject 1x1 (or 2x2 or 4x4 depending on which
verification scans are being performed).
6. Enter 1x1wire in the Scan Description field (or 2x2wire or 4x4wire depending on which
verification scans are being performed).
7. The Scan Control window opens. Select 1x1wire from the Protocol drop-down list (or 2x2wire
or 4x4wire depending on which verification scans are being performed).
8. Select the Scan bright and dark first , Recon after scan and Home all stages checkboxes under
Options.
9. Start Fluoro .
10. Click Menu and choose Position Stages from the
drop-down list.
11. Adjust the elevation until the wires of the center
section of the wire phantom extend from the top to
the bottom of the screen.
12. Exit Fluoro .
13. Press the Start Scan button (the scan takes
approximately 45 minutes) and follow the prompts
to place and remove the specimen from the
scanner for the bright and dark scans.
The eXplore Reconstruction Utility launches
automatically when the scan is complete.
14. Click the Set to Central Slice button.
15. Click the Thumbnail button.
16. Change the Z-Size field to 5 .
17. Press the Recon button on the Reconstruction
Utility window.
18. View the image in MicroView . Draw a line from the wire on the left side of the screen to the
wire on the top using the 1 and 2 keys, and note the angle displayed in the top left of the screen
in the Worksheet.
19. Exit MicroView .
20. Press the Advanced button on the Reconstruction Utility window and select the
Reconstruction tab.
21. Enter the approximate angle of the 4 wires noted above in the Angle field.
22. Record the existing air, water and HU calibration values in the Worksheet. Enter -1 (minus one)
values for each field.
23. Select Short Scan . This looks at the first 200 views instead of all 360 views. It will emphasize
any errors in calibration. Click OK.
24. Press the Recon button in the Reconstruction Utility window.
25. View the image in MicroView upon completion. The 4 wires should appear "square" to the
screen.