Abstract

Different radiation sources for sterilisation of tissues and the resulting depth-dose distributions in several tissues are described. Dosimetric quantities and units are introduced and dosimetry equipment is briefly discussed. The influence of the irradiation geometry on the target dose is shown including the effects of backscatter, field size and density. The construction of a filter to improve field homogeneity is presented. The importance of a quality control system is stressed, including items that need special attention. Special considerations for the variability of the dose-effect relation of tissues due to changes in, for instance, temperature and oxygen supply are discussed.

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