Depth scanning for a conformal ion beam treatment of deep seated tumours

被引：31

作者：

Weber, U ^{[1
]}

Becher, W ^{[1
]}

Kraft, G ^{[1
]}

机构：

[1] Gesell Schwerionenforsch, Biophys, D-64291 Darmstadt, Germany

来源：

PHYSICS IN MEDICINE AND BIOLOGY | 2000年 / 45卷 / 12期

关键词：

D O I：

10.1088/0031-9155/45/12/309

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Only target-conformal treatment allows one to exploit the advantages of ion beams (the increased dose and high biological efficiency at the end of the particle range) to a maximum extent. Up to now, target-conformal treatments such as spot scanning or intensity-controlled raster scanning have used fast magnetic lateral deflection in one or two directions perpendicular to the beam axis and a slow range variation in the longitudinal axis by active or passive energy variation. The present paper describes a new method for conformal irradiation with a fast intensity-controlled longitudinal scan in the beam direction, called 'depth scanning'. Its advantages and disadvantages will be discussed. First experimental results from depth scanning will be presented.

引用

页码：3627 / 3641

页数：15

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