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首页> 外文期刊>Radiology >Radiation-attenuating surgical gloves: effects of scatter and secondary electron production.
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Radiation-attenuating surgical gloves: effects of scatter and secondary electron production.

机译：防辐射手术手套：散射和二次电子产生的影响。

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摘要

PURPOSE: To evaluate the effects of scatter and secondary electron production on the protection provided by flexible radiation-attenuating gloves. MATERIALS AND METHODS: Four sets of radiation-attenuating flexible gloves and one set of standard surgical gloves were tested for scattering characteristics and secondary electron production caused by the interactions of x rays inside the gloves. A thin-window ion chamber was used to measure the penetration of secondary electrons in polyethylene. A diagnostic-type chamber was used to measure forward-scattered and backscattered x rays produced by the gloves. RESULTS: Forward-scattered and backscattered x rays added an average of about 13% to the exposure of the hands. Secondary electrons increased the signal in the thin-window chamber by large factors but were weakly penetrating, and only a small fraction produced by x rays of 90 kVp and higher energies contributed to dose to basal cells. CONCLUSION: Forward-scattered and backscattered x rays reduce the effectiveness of radiation-attenuating gloves, and secondary electron dose to basal cells in the back of the hand can further reduce effectiveness.
机译：目的：评估散射和二次电子生成对柔性防辐射手套提供的防护的影响。材料与方法：测试了四套辐射衰减柔性手套和一套标准外科手术手套的散射特性和由于手套内X射线的相互作用而产生的二次电子。薄窗口离子室用于测量二次电子在聚乙烯中的渗透。诊断型腔室用于测量手套产生的前向散射和后向散射X射线。结果：向前散射和向后散射的X射线平均使手的照射量增加了约13％。二次电子在很大的程度上增加了薄窗腔室中的信号，但穿透力很弱，并且由90 kVp和更高能量的x射线产生的一小部分仅有助于基底细胞的剂量。结论：前向散射和后向散射X射线会降低防辐射手套的有效性，而向手背基底细胞的二次电子剂量会进一步降低有效性。

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