Siemens MAMMOMAT 3000 Modification Instructions
Siemens MAMMOMAT 3000 Modification Instructions

Siemens MAMMOMAT 3000 Modification Instructions

Collimator holder
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Summary of Contents for Siemens MAMMOMAT 3000

  • Page 2: Table Of Contents

    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...
  • Page 3: 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...
  • Page 4: Prerequisites

    Screw 60 32 320 Screw 60 23 469 Washer 60 56 535 Cable tie 90 11 370 Cable tie 62 21 753 Plastic bag 62 86 319 Siemens-Elema AB SRX-MK RX B7-230.092.01.01.02 MAMMOMAT 3000 Solna, Sweden REV.01 10.95 Collimator holder...
  • Page 5 Prerequisites Figure 1 Upgrade kit Siemens-Elema AB SRX-MK RX B7-120.092.01.01.02 MAMMOMAT 3000 Solna, Sweden REV.01 10.95 Collimator holder...
  • Page 6: Modification Of 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...
  • Page 7 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...
  • Page 8: Installation Of Measuring Tools

    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...
  • Page 9: Work-Up Of Holes

    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...
  • Page 10 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...
  • Page 11: Checks And Adjustments

    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...

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