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Collimator-Based Tracking with an Add-On Multileaf Collimator: Modification of a commercial collimator system for realtime applications - Couverture souple

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Böhler, Andreas

 
9783658106577: Collimator-Based Tracking with an Add-On Multileaf Collimator: Modification of a commercial collimator system for realtime applications
Couverture souple
ISBN 10 : 3658106573 ISBN 13 : 9783658106577
Editeur : Springer, 2015

Synopsis

In this thesis, a tracking system was developed by modifying an add-on collimator, the Siemens Moduleaf, for realtime applications in radiotherapy. As the add-on collimator works almost completely autonomously of the linear accelerator (LinAc), no modifications to the latter were necessary. The adaptations to the Moduleaf were mainly software-based. In order to reduce the complexity of the system, outdated electronic parts were replaced with newer components where practical.

Verification was performed by measuring the latency of the system as well as the impact on applied dose to a predefined target volume, moving in the leaf's travel direction. Latency measurements in software were accomplished by comparing the target and current positions of the leaves. For dose measurements, a Gafchromic EBT2 film was placed beneath the target 4D phantom, in between solid water plates, and moved alongside with it.

Based on the results, a tracking-capable add-on collimator seems to be a useful tool for reducing the margins for the treatment of small, slow-moving targets.

Radiotherapy is one of the most important methods used for the treatment of cancer. Irradiating a moving target is also one of the most challenging tasks to accomplish in modern radiotherapy.

Les informations fournies dans la section « Synopsis » peuvent faire référence à une autre édition de ce titre.

À propos de l'auteur

After his graduation in 2014, Andreas Böhler co-founded the R'n'B Medical Software Consulting GmbH headquartered in Linz/Austria. The company focuses on quality management consulting and also offers a fully electronic quality management system. Given the strong medical and technical backgrounds of the founders, they are also specialised in clinical evaluations.

Les informations fournies dans la section « A propos du livre » peuvent faire référence à une autre édition de ce titre.

Éditeur
Springer
Date d'édition
2015
Langue
anglais
ISBN 10 
3658106573
ISBN 13 
9783658106577
Reliure
Broché
Numéro d'édition
1
Nombre de pages
68
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