Checks on standard linear accelerators
Author: Dr. István Polgár
Table of contents
- 1 Safety interlocks
- 2 Indicator lights
- 3 Mechanical integrity
- 4 Mechanical alignment checks
- 5 Position of light source
- 6 Optical field indication
- 7 Shadow tray
- 8 Couch movements
- 9 Radiation alignment
- 10 Interpretation of alignment checks
- 11 Flatness and symmetry
- 12 Radiation output measurement
- 13 Beam energy
- 14 Arc therapy
- 15 Selection of checks and check frequencies
- 16 Equipment required
References
8. Colligan SJ and Mills J 1997 A philosophical approach to treatment machine maintenance and breakdown Br. J. Radiol. 70 1274–1279
9. European Commission 1997 Radiation Protection 91. Criteria for Acceptability of Radiological (Including Radiotherapy) and Nuclear Medicine Installations. Chapter 7. ISBN 92-828-1140-9 (Luxembourg: Office for Official Publications of the European Communities)
10. Hendry JH, Benzen SM, Dale RG 1996 A modelled comparison of the effects of using different ways to compensate for missed treatment days in radiotherapy Clin. Oncol. 8 297–307
11. IEC (International Electrotechnical Commission) 1989a Medical Electrical Equipment – Medical Electron Accelerators. Functional Performance Characteristics IEC Publication 976 (Geneva: IEC)
12. IEC (International Electrotechnical Commission) 1989b Medical Electrical Equipment – Medical Electron Accelerators in the Range 1 MeV to 50 MeV – Guidelines for Functional Performance Characteristics IEC Publication 977 (Geneva: IEC)
13. RCR (Royal College of Radiologists) 1996 Guidelines for the Management of the Unscheduled Interruption or Prolongation of a Radical Course of Radiotherapy (London: RCR)
14. WHO (World Health Organisation) 1988 Quality Assurance in Radiotherapy (Geneva: WHO) ISBN 92 4 154224 1
15. Woo MK, Fung A and O’Brien P 1992 Treatment planning for asymmetric jaws on a commercial TP system Med. Phys. 19 1273–1275
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