Affirm Breast Biopsy Guidance System User Guide
Chapter 6: Quality Control
Page 74 MAN-06411-002 Revision 003
9. Select Manual exposure mode, 25 kV, 30 mAs, Rhodium filter in the QAS screen. (If
the QAS Phantom uses a needle, select the Manual exposure mode, 25 kV, 10 mAs,
Rhodium filter in the QAS screen.)
10. Acquire and accept an image for a view in the procedure. Note that the Auto-Accept
feature is not enabled during the QAS procedure and that targeting on the QAS
Phantom occurs automatically.
Note
If automatic targeting is not successful, manually select the targets in the images.
11. Select the Create Target button to send the target to the Biopsy Control Module.
Verify that the target coordinates are within ± 1 mm of X, Y, and Z numbers as
shown on the Diff values line of the Biopsy Control Module.
Warning:
If the targeting coordinates are not within ± 1 mm, contact Technical Support.
Do not try to adjust the system. Do not perform any biopsy procedure with
the Affirm system until Technical Support indicates the system is ready for
use.
Warning:
The user or a Service Engineer must correct problems before the system is
used.
12. Repeat steps 10 and 11 for all unexposed views.
Tomosynthesis option only: For the Tomo Biopsy QAS view, select Manual exposure
mode, 30 kV, 30 mAs, and Aluminum filter. Then repeat steps 10 and 11.
13. At the Acquisition Workstation, select the End QC button.
14. At the Biopsy Control Module, press a Home Position button (Left or Right) to move
the QAS Phantom to the side.
15. Remove the QAS Phantom.
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