Siemens ARCADIS Varic Manual
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Siemens ARCADIS Varic Manual

Adjustment system
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M ü h l h ä u ß e r
ARCADIS Varic / Orbic
Adjustment
System
Main System / Adjustment
Print No.:
SPR2-310.842.01.07.02
Replaces:
SPR2-310.842.01.06.02
08081080
08080017
SP
2006
© Siemens AG
The reproduction, transmission or use
of this document or its contents is not
permitted
without
express
authority. Offenders will be liable for
damages. All rights, including rights
created by patent grant or registration
of a utility model or design, are
reserved.
English
Doc. Gen. Date: 12.06
written

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  • Page 1 M ü h l h ä u ß e r ARCADIS Varic / Orbic Adjustment System Main System / Adjustment 08080017 08081080 2006 © Siemens AG The reproduction, transmission or use of this document or its contents is not permitted...
  • Page 2 Assemblers and other persons who are not employed by or otherwise directly affiliated with or authorized by Siemens or one of its affiliates are directed to contact one of the local offices of Siemens or one of its affiliates before attempting installation or service pro- cedures.

  • Page 3: Table Of Contents

    Checking the dose rate in automatic mode....... . 31 3 _______ Changes to the previous version __________________________________ 33 Page 3 of 34 Siemens AG SPR2-310.842.01.07.02 ARCADIS Varic / Orbic Medical Solutions 12.06 CS SD 24...

  • Page 4: Tools, Test Equipment And Aids

    • 1 set of radiation filters e.g. Part No. 97 98 596 G5321 • Center cross e.g. Part No. 96 60 051 RE999 Page 4 of 34 ARCADIS Varic / Orbic SPR2-310.842.01.07.02 Siemens AG 12.06 CS SD 24 Medical Solutions...

  • Page 5: Safety Information And Safety Measures

    . Symbols This symbol means “X-ray”, checks and adjustments that must be performed with radiation ON. Page 5 of 34 Siemens AG SPR2-310.842.01.07.02 ARCADIS Varic / Orbic Medical Solutions 12.06 CS SD 24...

  • Page 6: General Information For The Following Adjustments

    NOTE After you enter the service menu, the currently selected dominant is shown as a circle in the radiation field. Page 6 of 34 ARCADIS Varic / Orbic SPR2-310.842.01.07.02 Siemens AG 12.06 CS SD 24...

  • Page 7: Abbreviations

    Dose rate (air kerma), internal measurement from system ∆K /∆t ext Dose rate (air kerma), external measurement from dose meter Continuous FluorosCopy Pulsed FluorosCopy Page 7 of 34 Siemens AG SPR2-310.842.01.07.02 ARCADIS Varic / Orbic Medical Solutions 12.06 CS SD 24...

  • Page 8: Generator Adjustment

    A window appears: “Main system values were successfully saved” --> click on <OK>. 9. Click on “>” for the next page (multiple exposure) and perform a generator adjustment check. Page 8 of 34 ARCADIS Varic / Orbic SPR2-310.842.01.07.02 Siemens AG 12.06 CS SD 24...

  • Page 9: Generator Adjustment Check

    (Fig. 1 / p. 9) exceeds the specified tolerances, the generator adjust- ment and the mAs counter adjustment must be repeated. Fig. 1: Generator adjustment Page 9 of 34 Siemens AG SPR2-310.842.01.07.02 ARCADIS Varic / Orbic Medical Solutions 12.06 CS SD 24...

  • Page 10: Load Counter

    Send the burned CD together with the single tank and the tube questionnaire back to the factory (as required by the terms of the warranty). Page 10 of 34 ARCADIS Varic / Orbic SPR2-310.842.01.07.02 Siemens AG 12.06 CS SD 24...

  • Page 11: Image Rotation

    The image (left/right / up/down) corresponds to (Fig. 4 / p. 11). 6. Click on <Go>. Status bar: 0 Degree Position --> running --> success Page 11 of 34 Siemens AG SPR2-310.842.01.07.02 ARCADIS Varic / Orbic Medical Solutions 12.06 CS SD 24...

  • Page 12: Click On ">" For The Next Page And Click On

    The image should now display in the correct 0 degree position (Fig. 4 / p. 11); if not, repeat adjustment. 10. Click on “>” for the next page and click on <Finish>. Page 12 of 34 ARCADIS Varic / Orbic SPR2-310.842.01.07.02 Siemens AG 12.06 CS SD 24 Medical Solutions...

  • Page 13: Collimator X-Iris

    CEX position is automatically selected. Wait until the "X-iris open button LED" is CEX Position 9. Click on <Go>. Status bar: CEX Position --> running --> success Closed Position Page 13 of 34 Siemens AG SPR2-310.842.01.07.02 ARCADIS Varic / Orbic Medical Solutions 12.06 CS SD 24...

  • Page 14: Check The Adjustment And Repeat If Necessary

    14. Configure the "Zoom Procedure" on this page per the country regulations or the cus- tomer’s preference. 15. Click on <Finish>. 16. Check the adjustment and repeat if necessary. Page 14 of 34 ARCADIS Varic / Orbic SPR2-310.842.01.07.02 Siemens AG 12.06 CS SD 24...

  • Page 15: Display X-Iris

    13. Adjust the graphic display until the graphic circle is aligned with the circle size of the X-iris diaphragm. 14. Click on <Go>. Status bar: Open Pos. I.I. - Zoom Format --> running --> success Page 15 of 34 Siemens AG SPR2-310.842.01.07.02 ARCADIS Varic / Orbic Medical Solutions 12.06 CS SD 24...
  • Page 16 A window appears: "Calibration is finished..." --> confirm with <OK>. The main system restarts. 16. Click on “>” for the next page and click on <Finish>. 17. Check the adjustment and repeat if necessary. Page 16 of 34 ARCADIS Varic / Orbic SPR2-310.842.01.07.02 Siemens AG 12.06 CS SD 24...

  • Page 17: Collimator Slot Diaphragm

    8. Stop fluoro and click on <Go>. Status bar: I.I.-Zoom Format Position --> running --> success Init Off & Store Position Page 17 of 34 Siemens AG SPR2-310.842.01.07.02 ARCADIS Varic / Orbic Medical Solutions 12.06 CS SD 24...

  • Page 18: Status Bar: Init Off & Store Position --> Running --> Success

    A window appears: Calibration is finished --> confirm with <OK>. The main system restarts. 10. Click on “>” for the next page and click on <Finish>. 11. Check the adjustment and repeat if necessary. Page 18 of 34 ARCADIS Varic / Orbic SPR2-310.842.01.07.02 Siemens AG 12.06 CS SD 24...

  • Page 19: Display Slot Diaphragm

    11. Click on <Go>. Status bar: Close Pos. I.I. - Zoom Format --> running --> success Open Pos. I.I. Zoom Format Page 19 of 34 Siemens AG SPR2-310.842.01.07.02 ARCADIS Varic / Orbic Medical Solutions 12.06 CS SD 24...
  • Page 20 A window appears: “Calibration is finished...” --> confirm with <OK>. The main system restarts. 16. Click on “>” for the next page and click on <Finish>. 17. Check the adjustment and repeat if necessary. Page 20 of 34 ARCADIS Varic / Orbic SPR2-310.842.01.07.02 Siemens AG 12.06 CS SD 24...

  • Page 21: Dose Area Product

    Calculate the external dose meter's deviation from the internal monitor dis- play.Difference = [(int. value) - (ext value)] / (ext value) The maximum allowed difference is ± 0.25 (± 25%). Page 21 of 34 Siemens AG SPR2-310.842.01.07.02 ARCADIS Varic / Orbic Medical Solutions 12.06 CS SD 24...
  • Page 22 3. Click on <Go> again to stop the chamber test. Status bar: success Window appears: Calibration is finished --> confirm with <OK>. The main system restarts. Page 22 of 34 ARCADIS Varic / Orbic SPR2-310.842.01.07.02 Siemens AG 12.06 CS SD 24...
  • Page 23 The DAP constant TW and the value from the ARCADIS monitor acquisition task card should be equal. Fig. 6: Dose Area Product Adjustment Page 23 of 34 Siemens AG SPR2-310.842.01.07.02 ARCADIS Varic / Orbic Medical Solutions 12.06 CS SD 24...
  • Page 24 ) into the center of the I. I. NOTE Make sure that the dose meter is adjusted for about 2.5mm AL fil- tration during the “DAP accuracy check”. Page 24 of 34 ARCADIS Varic / Orbic SPR2-310.842.01.07.02 Siemens AG 12.06 CS SD 24...
  • Page 25 PTW dose meter: For differences > +0.25 and < -0.25, perform the “PTW - cham- ber test and adjustment”. Wellhöfer dose meter: For differences > +0.25 and < -0.25, perform the “Well- höfer chamber gain adjustment”. Page 25 of 34 Siemens AG SPR2-310.842.01.07.02 ARCADIS Varic / Orbic Medical Solutions 12.06 CS SD 24...

  • Page 26: Air Kerma

    7. Calculate the correction factor (Cx): Cx = (985 / RL) Cx with RL “685” = 2.07 Cx with RL “487” = 4.09 Cx with RL “490” = 4.04 Page 26 of 34 ARCADIS Varic / Orbic SPR2-310.842.01.07.02 Siemens AG 12.06 CS SD 24...
  • Page 27 Slot diaphragm opening diameter = approx. 16 cm (measured on the monitor). Air kerma dose matching 1. Attach and center the centering cross on the I.I. Fig. 9: diamentor_slot_diaph Fig. 8: diameter_x iris Page 27 of 34 Siemens AG SPR2-310.842.01.07.02 ARCADIS Varic / Orbic Medical Solutions 12.06 CS SD 24...
  • Page 28 If the air kerma dose matching was not successful, perform the "Wellhöfer chamber gain adjustment" and the “Wellhöfer cham- ber test”. Then repeat the air kerma accuracy check. Page 28 of 34 ARCADIS Varic / Orbic SPR2-310.842.01.07.02 Siemens AG 12.06...

  • Page 29: Dose Rate Adjustment

    Correction factor for the large dose measurement chamber is 1.06. Grid correction factor is 1.50. Correction factor with large chamber and grid is 1.59. Dose rate 23 cm I.I. with grid Page 29 of 34 Siemens AG SPR2-310.842.01.07.02 ARCADIS Varic / Orbic Medical Solutions 12.06 CS SD 24...
  • Page 30 The DA CFC 75 kV curve is displayed in the status bar “Control Curve”. I.I. full format is selected and displayed in the status bar “I.I. Zoom Status”. Page 30 of 34 ARCADIS Varic / Orbic SPR2-310.842.01.07.02 Siemens AG 12.06...

  • Page 31: Checking The Dose Rate In Automatic Mode

    (140 ... 189) Reduced reached Ortho/Trauma until 75 Body reg: Hip Full format ±5kV is ± 15 % (235 ... 318) Standard reached Page 31 of 34 Siemens AG SPR2-310.842.01.07.02 ARCADIS Varic / Orbic Medical Solutions 12.06 CS SD 24...
  • Page 32 (refer to the table). Use control console CFC key (Fig. 10 / p. 30) for dose rate LOW / MID / HIGH selection. Page 32 of 34 ARCADIS Varic / Orbic SPR2-310.842.01.07.02 Siemens AG 12.06 CS SD 24 Medical Solutions...
  • Page 33 Changes to the previous version 3Changes to the previous version Chapter “Adjustment” Dose Rate Adjustment: 2 corrections for “Exam set” Page 33 of 34 Siemens AG SPR2-310.842.01.07.02 ARCADIS Varic / Orbic Medical Solutions 12.06 CS SD 24...
  • Page 34 Changes to the previous version Page 34 of 34 ARCADIS Varic / Orbic SPR2-310.842.01.07.02 Siemens AG 12.06 CS SD 24 Medical Solutions...

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Arcadis orbic

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