X線検査時の患者被曝線量の軽減について : X線写真の画質と被曝線量(X線検査時の患者被曝線量の軽減について)(〔第30回総会〕)

概要

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The use of x-ray equipment and radioactive substances carries with its responsibility to keep down unwanted radiation to the patient and minimize radiation to the gonads. In the approach to radiation reducing design, there are certain basic principles which should be borne in mind, include the following : intensifying screens of high speed, high speed films, hgh kilovoltage, adequate filtration and accurate collimation of the beam, longer target/film distance, and the use of the image intensifier in place of the fluoroscopic screen. The factors influencing the quality of roentgenograms were studied experimentall and discussed on the standpoint of view of dose reduction to the patient. The author presented Qr (dose reduction image quality), and discussed correlation Qc (conventional image quality) and Q (total image quality). The estimation of several minimized rediation dose roentgenograms was tried by physicians for clinical use in each organ.
公益社団法人日本放射線技術学会の論文
1974-09-30