The Tohoku Journal of Experimental Medicine
Online ISSN : 1349-3329
Print ISSN : 0040-8727
Conformation Radiotherapy by Means of 6 MeV Linear Accelerator
Takashi KitabatakeShinji Takahashi
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1968 Volume 94 Issue 1 Pages 37-43

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Abstract

A linear accelerator applied to conformation radiotherapy was described. The mechanism and dose distribution in the linear accelerator conformation radiotherapy were discussed, together with a comparison with those in telecobalt therapy. In this machine a collimator was divided into six leaves, which were driven independently by a servo system following signals given by the signal generator. The mechanical error in this system was within a range of +1.47 to-1.80%. The size and shape of radiation-dense area, ‘beam focus’, made by this unit sufficiently coincided geometrically with the region of planned treat-ments. The homogeneity of dose distribution was better than that by telecobalt gamma-rays.

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