Detector Calibration
4-22
CardioMD Service Manual
1MAN0158-H11 04-2005 CSIP Level 1
Procedure Details
When the ECor calibration is complete, this
message appears.
17.
Click OK to close the message box.
18.
Repeat the procedure to calibrate the other
detector, or
19.
Click Exit to close the ECor page.
4.2.7
Spatial Linearity Correction Calibration (LinCor)
4.2.7.1
Description
Linearity correction is a spatially related linearity correction. The map is generated based on im-
ages of phantoms with slit patterns, one for the X direction and one for the Y direction. From
those images, deviations from an “ideal” slit pattern are calculated and a map with correction fac-
tors is generated. Once generated, each address in the map will contain a correction factor that is
applied to the position signals during acquisition.
Note
. LinCor must be preceded by HV, PMT, ECal, GeoCal and ECor calibration.
Note
. If the CardioMD system is equipped with the AC Option, the transmission scanners must be
removed before spatial linearity correction calibration can be performed. See Chapter 12
Car-
dioMD AC Option
for instructions.
4.2.7.2
Spatial Linearity Correction Calibration Procedure
To be performed:
When the EDC board, a PMT tube, X-E board, Y board or
crystal is replaced.
Detector:
One detector at a time, X and Y spatial masks (part of ser-
vice calibration kit).
Source:
Tc-99m or Co-57 ~ 120 – 200 MBq or 3-5 mCi.
Total calibration time:
Approximately 90 minutes per detector.
Calibration file created:
C:/Cardiocam/calibrations/lincor.det1
and
det2
respectively.
Procedure Details
1.
Remove the collimators from the detector
to be calibrated. See the Operator’s Man-
ual for instructions.
2.
Ensure that the CardioMD system is in the
patient load position.
Summary of Contents for CARDIOMD
Page 1: ...CARDIOMD SERVICE MANUAL 1MAN0158 H11 04 2005 CSIP Level 1 ...
Page 10: ...Introduction x CardioMD Service Manual 1MAN0158 H11 04 2005 CSIP Level 1 ...
Page 16: ...Safe Operating Practices 1 6 CardioMD Service Manual 1MAN0158 H11 04 2005 CSIP Level 1 ...
Page 164: ...Detector Calibration Files 5 60 CardioMD Service Manual 1MAN0158 H11 04 2005 CSIP Level 1 ...
Page 328: ...Installation Procedures 9 38 CardioMD Service Manual 1MAN0158 H11 04 2005 CSIP Level 1 ...
Page 348: ...Planned Maintenance Procedures 11 6 CardioMD Service Manual 1MAN0158 H11 04 2005 CSIP Level 1 ...
Page 465: ......