Tools required Parts included Modification of collimator holder Registration of radiation field Table over registration of radiation field Installation of measuring tools Work-up of holes Checks and adjustments Siemens-Elema AB SRX-MK RX B7-230.092.01.01.02 MAMMOMAT 3000 Solna, Sweden REV.01 10.95 Collimator holder...
Collimator holder Table of contents, Revision status Siemens-Elema AB SRX-MK RX B7-230.092.01.01.02 MAMMOMAT 3000 Solna, Sweden REV.01 10.95 Collimator holder...
Measure and note down distances a and b between the washers and the white borders on the film (six distances in total). NOTE! Use the table over registration of radiation field to record measured values. Siemens-Elema AB SRX-MK RX B7-230.092.01.01.02 MAMMOMAT 3000 Solna, Sweden REV.01 10.95 Collimator holder...
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Measured distances from collimator holder to tube plate (x-axis) and mounted meas- uring tool (y-axis). Date:..... Site nr:....Serial nr: ....Remark White Distance Distance border x-axis y-axis Film Left Right Left Right Left Right Reference before loosening Siemens-Elema AB SRX-MK RX B7-230.092.01.01.02 MAMMOMAT 3000 Solna, Sweden REV.01 10.95 Collimator holder...
Measure free space (X-axis) on both sides between the collimator holder and tube plate. Figure 3 Installation of measuring tools NOTE! Use the table over registration of radiation field to record measured values. Siemens-Elema AB SRX-MK RX B7-230.092.01.01.02 MAMMOMAT 3000 Solna, Sweden REV.01 10.95 Collimator holder...
Fold down the collimator with holder and secure with a cable tie to prevent it from hanging in the cables. Cover the collimator with a plastic bag. Protect other parts of the Mammomat with a plastic cover. Siemens-Elema AB SRX-MK RX B7-230.092.01.01.02 MAMMOMAT 3000 Solna, Sweden REV.01 10.95 Collimator holder...
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13 Check that the cable-tie heads inside the protective cover are pointing upwards. CAUTION! Cable-tie heads pointing in wrong direction can prevent motion of internal diaphragm near end position caused by contact with the collimator protective cover. Siemens-Elema AB SRX-MK RX B7-230.092.01.01.02 MAMMOMAT 3000 Solna, Sweden REV.01 10.95 Collimator holder...
Y-axis. Tighten the Allen screws. Release an exposure. Compare the white borders on the film with those on the film exposed before work- up. Adjust if necessary. Siemens-Elema AB SRX-MK RX B7-230.092.01.01.02 MAMMOMAT 3000 Solna, Sweden REV.01 10.95 Collimator holder...