Practical quantitative measurement of graticule misalignment relative to collimator axis of rotation

We design a practical procedure for measuring translational and rotational misalignment of graticule with collimator axis of rotation and collimator jaws, respectively. The procedure's quantitative results are accurate to less than 0.2 mm (at isocenter) and do not assume alignment of radiation...

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Detalles Bibliográficos
Autores principales: Halabi, Tarek, Faddegon, Bruce
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2010
Materias:
Technical Notes
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5720415/
https://www.ncbi.nlm.nih.gov/pubmed/21081892
http://dx.doi.org/10.1120/jacmp.v11i4.3318
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author Halabi, Tarek
Faddegon, Bruce
author_facet Halabi, Tarek
Faddegon, Bruce
author_sort Halabi, Tarek
collection PubMed
description We design a practical procedure for measuring translational and rotational misalignment of graticule with collimator axis of rotation and collimator jaws, respectively. The procedure's quantitative results are accurate to less than 0.2 mm (at isocenter) and do not assume alignment of radiation focal spot with collimator axis of rotation. When provided with these quantitative results, the manufacturer can custom‐adjust graticules to the purchaser's collimator head. PACS number: 87.56.Fc
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spelling pubmed-57204152018-04-02 Practical quantitative measurement of graticule misalignment relative to collimator axis of rotation Halabi, Tarek Faddegon, Bruce J Appl Clin Med Phys Technical Notes We design a practical procedure for measuring translational and rotational misalignment of graticule with collimator axis of rotation and collimator jaws, respectively. The procedure's quantitative results are accurate to less than 0.2 mm (at isocenter) and do not assume alignment of radiation focal spot with collimator axis of rotation. When provided with these quantitative results, the manufacturer can custom‐adjust graticules to the purchaser's collimator head. PACS number: 87.56.Fc John Wiley and Sons Inc. 2010-08-15 /pmc/articles/PMC5720415/ /pubmed/21081892 http://dx.doi.org/10.1120/jacmp.v11i4.3318 Text en © 2010 The Authors. This is an open access article under the terms of the Creative Commons Attribution (http://creativecommons.org/licenses/by/3.0/) License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
spellingShingle Technical Notes
Halabi, Tarek
Faddegon, Bruce
Practical quantitative measurement of graticule misalignment relative to collimator axis of rotation
title Practical quantitative measurement of graticule misalignment relative to collimator axis of rotation
title_full Practical quantitative measurement of graticule misalignment relative to collimator axis of rotation
title_fullStr Practical quantitative measurement of graticule misalignment relative to collimator axis of rotation
title_full_unstemmed Practical quantitative measurement of graticule misalignment relative to collimator axis of rotation
title_short Practical quantitative measurement of graticule misalignment relative to collimator axis of rotation
title_sort practical quantitative measurement of graticule misalignment relative to collimator axis of rotation
topic Technical Notes
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5720415/
https://www.ncbi.nlm.nih.gov/pubmed/21081892
http://dx.doi.org/10.1120/jacmp.v11i4.3318
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