Design of a positioning system for soft-docking of an intraoperative electron accelerator

Rafał Soboń; Anna Wysocka-Rabin; Natalia Golnik

doi:10.1117/12.2035341

25 October 2013 Design of a positioning system for soft-docking of an intraoperative electron accelerator

Rafał Soboń, Anna Wysocka-Rabin, Natalia Golnik

Proceedings Volume 8903, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2013; 89031B (2013) https://doi.org/10.1117/12.2035341
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2013, 2013, Wilga, Poland

Abstract

A soft-docking system is one of the features of modern intraoperative radiotherapy (IORT) technology. It permits delivery of a single fraction of radiation to the surgically exposed tissue, whilst the treatment head is not in direct contact with the applicator. The aim of this study is to present the design of the positioning system for soft-docking of mobile linear accelerator that is being developed at the National Centre of Nuclear Research in Otwock-Świerk, Poland (NCBJ). Our proposed design includes four red laser beams installed along with the treatment head, and a specially prepared applicator with a pre-drawn reference circle. When the treatment head is correctly positioned, all four laser dots intersect with the circle. Numerical simulation showed that it is possible to minimize misalignment to around 0.5° angular and 1 mm linear with this model.

Citation Download Citation

Rafał Soboń, Anna Wysocka-Rabin, and Natalia Golnik "Design of a positioning system for soft-docking of an intraoperative electron accelerator", Proc. SPIE 8903, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2013, 89031B (25 October 2013); https://doi.org/10.1117/12.2035341

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