Dynamic beam delivery (DBD), either in the step-and-shoot or dynamic mode, promises to be useful for developing conformal radiotherapy techniques. The introduction of DBD in the clinic requires stringent evaluation of the DBD system before any dynamic technique can be performed clinically. In this work, a series of quality assurance tests were performed to evaluate a DBD system (DBD Toolbox) on a linear accelerator. The results of the tests have shown that the DBD Toolbox is capable of precisely controlling jaw motion, collimator rotation, and gantry rotation for dynamic beam delivery to within a 1 mm tolerance for jaw motion and 0.5° tolerance for collimator or gantry rotation. In addition, a simple model for dynamic jaw dosimetry was evaluated. The quality assurance tests and model evaluation are presented in this thesis.
| Identifer | oai:union.ndltd.org:LACETR/oai:collectionscanada.gc.ca:QMM.33027 |
| Date | January 2001 |
| Creators | Ruo, Russell L. |
| Contributors | Evans, M. D. C. (advisor), Podgorsak, E. B. (advisor) |
| Publisher | McGill University |
| Source Sets | Library and Archives Canada ETDs Repository / Centre d'archives des thèses électroniques de Bibliothèque et Archives Canada |
| Language | English |
| Detected Language | English |
| Type | Electronic Thesis or Dissertation |
| Format | application/pdf |
| Coverage | Master of Science (Department of Medical Radiation Physics.) |
| Rights | All items in eScholarship@McGill are protected by copyright with all rights reserved unless otherwise indicated. |
| Relation | alephsysno: 001838156, proquestno: MQ75341, Theses scanned by UMI/ProQuest. |
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