铅眼镜对介入手术中职业人员防护效果的研究现状

Abstract

Abstract: The reduced occupational dose limit for eye lens has lead to extensive attentions on the dose monitoring, evaluation, and protection for eye lens. The importance of lead glasses for radiation protection of the eye lens of medical workers in interventional procedures has been stressed by recent studies, where Monte Carlo calculations and experimental measurements based on anthropomorphic phantom or clinical practice were used to investigate the protection effectiveness of lead glasses. In this work, research status on protection effectiveness of lead glasses was summarized and the influencing factors analyzed. The dose to the eye lens is mainly contributed by radiation exposure to the eyes through the gap between the glasses and eyes. The geometry conditions such as glasses shape, air gap, beam projection, position arrangement and operator postures, rather than the beam energy, lead equivalent thickness and size of glasses, are the decisive factors for protection effectiveness of lead glasses. This analysis of influencing factors aimed to provide references for the research and clinical practices of eye lens protection.

Key words: lead glasses, interventional procedure, occupational staff, dose reduction factor

CLC Number:

R143

Yu Weiyue, Chen Faguo, Han Yi, Li Guodong, Yang Mingming. Research status on effectiveness of lead glasses for occupational protection in interventional procedures[J].RADIATION PROTECTION, 2017, 37(6): 507-514.

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Research status on effectiveness of lead glasses for occupational protection in interventional procedures

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