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頁籤選單縮合
題 名 | 鈷六十治療機除役處置及人員劑量評估=Decommissioning of a Cobalt-60 unit and Estimation of Exposure Dose to Person |
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作 者 | 林招膨; 劉幕臺; 林桂華; 黃勝賢; 林昇宏; 林松彥; 葉啟源; 莊庭禎; | 書刊名 | 放射治療與腫瘤學 |
卷 期 | 5:3 1998.09[民87.09] |
頁 次 | 頁193-199 |
分類號 | 416.36 |
關鍵詞 | 輻防專員; 計畫特別暴露; 合理抑低; Radiation protection commissioner; Planned special exposures; As low as reasonable achievable; AlARA; |
語 文 | 中文(Chinese) |
中文摘要 | 目的:彰化基督教醫院放射腫瘤科規劃將原有之鈷六十遠隔治療機除役,以空出治 療室做為安裝新直線加速器治療機之用。欲撤除之舊鈷六十治療機係屬醫用密封放射性物 質,應由合格輻防專員監督執行整個除役拆機及運送安全程序。 材料與方法:在經行政院原子能委員會核准停用後,整個除役過程在輻射安全、應注意事項及 處理步驟上皆依照原能會所頒訂之「放射性物質安全運送規則」及「游離輻射防護安全標準」 辦理,並且針對拆機期間工作人員所受之輻射曝露擬定計畫特別曝露和評估其所受劑量。 結果:於做過嚴謹的沙盤演練後,在整個拆機、輻防作業規劃及管制採取合理抑低的原則下, 順利地完成整個報廢移機手續。 結論:本文即針對鈷六十治療機的除役、運送過程中所需要做的準備及其劑量評估流程經驗做 一詳實的描述。 |
英文摘要 | Purpose: The Department of Radiation Oncology at the Changhua Christian Hospital plans to retire the original cobalt-60 machine, and empty out the treatment room to install a new linear accelerator. The old cobalt-60 machine that will be removed is a sealed source for medical use. There should be a qualified radiation protection commissioner to supervise all procedures of dismantling the machine and the safety of transportation. Materials and Methods: After gaining the approval of the Atomic Energy Council (AEC) at the executive yuan, all procedures concerning radiation protection, works should be considered and in line with the steps according to "Regulations about the Security of Transporting Radioactive Materials" and "Rules of Ionizing Radiation Security" which are issued by AEC. Aiming at the workers who received radiation exposures during the dismantling gauge planned special exposures and estimating the doses. Results: After conscientious and careful practices, planning and controlling of radiation protection obey the rule of ALARA (as low as reasonable achievable) whole dismantling and transportation of the cobalt-60 machine was smoothly accomplished. Conclusion: This paper describes the procedure about how to handle the retiring of a cobalt-60 machine and estimate personal dose fully and accurately. |
本系統中英文摘要資訊取自各篇刊載內容。