Table of Contents
Advertisement
Service mode
Calibration of the biopsy unit
Calibration of the biopsy unit is carried out by using a stereo calibration phantom with
targets at fixed positions. By releasing two stereo pair exposures with a fine needle
adjusted to different targets, the system is automatically calibrated. Follow the instructions
given on the screen during the calibration procedure.
1.
Press the Biopsy Calibration button in the service dialog.
The following is shown on the screen:
Pixel
x 138
y 152
value 1139
i
123-45-6789
03/26/97
Help
>>
Fig. 3 Dialogs during calibration
2.
Place the stereo calibration phantom on the biopsy table and compress.
With the targets facing the patient side, the phantom fits in the opening of the
stereo compression plate, see Fig. 4. Target 2 shall be positioned 25228 mm in
negative x-axis direction and 12 mm from the object table side.
Siemens AG
Medical Solutions
Gray scale
center 1000
width 400
Z
1.00x
Z
Message
Targets
1) Place and compress the stereo
calibration phantom and insert
a fine needle of suitable length.
2) Move the needle holder to the first
calibration position. 3) Remove the
needle. 4) Acquire a stereo pair of images.
Display a stereo pair!
Help
Default Needle
Core 100
Num.
X
Y
Z
Close
Register 5
SPB7-230.061.11
Rev. 02
Control
Windows
Image Tools
Pointer
Magnify
[mm]
Ruler
[mm]
Delete
Delete
Transmit
Histogram
Help
Page 3 of 30
07.03
CS PS 24
5 - 3
Control
Help
Acquire
Filters
Layout
Single
Invert
Double
Zoom
Targets
Pan
2
Restore
Exit
Screen Dump
Opdimar
Service
5
Advertisement
Table of Contents
