在放射学指导干预期间对新型辐射保护装置的评估
Maria E V Larsson1,2, Pernilla I Jonasson3, Petra S Apell4,5
1Department of Medical Radiation Sciences, Institute of Clinical Sciences, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden. maria.ev.larsson@vgregion.se.
测试了新型辐射屏蔽,以减少医务人员在放射性手术期间的暴露. 一个延长的甲状腺保护器有效地屏蔽了头部和部的下部,补充了现有的玻璃盾.
科学领域:
- 医学物理 医学物理
- 辐射保护 辐射保护
- 干预性放射学是干预性的放射学.
背景情况:
- 医学从业人员在图像指导干预期间面临辐射暴露,增加了辐射引起疾病的风险.
- 评估新型防护装备对于提高光镜手术操作员安全至关重要.
研究的目的:
- 评估新的头部和部辐射屏蔽在减少操作员在干预过程中的辐射暴露方面的有效性.
- 为了比较新型防护剂与标准辐射屏蔽方法的性能.
主要方法:
- 使用了一种暴露于散射辐射的类人形幻影,使用热发光剂量计 (TLD) 测量在不同深度的剂量.
- 评估了头部保护器和扩展型甲状腺保护器,将它们与标准的甲状腺项圈和安装在天花板上的玻璃屏蔽器进行了比较.
- 使用TLD进行临床研究,以测量在内血管干预过程中对操作人员头部的分散辐射暴露.
主要成果:
- 扩展型甲状腺保护剂显著减少了喉,下巴和耳朵区域的辐射,对大脑和头骨有一定的影响.
- 头部保护器在覆盖的头骨区域提供了高达2厘米深度的屏蔽.
- 安装在天花板上的玻璃屏蔽有效地减少了所有测量点的辐射.
结论:
- 安装在天花板上的玻璃屏蔽是有效的,但在复杂的情况下可能存在定位限制.
- 新型保护器,特别是扩展型甲状腺保护器,为头部和部提供了宝贵的补充辐射保护.
- 仅靠头部保护器是不够的,但扩展型甲状腺保护器为头部和部的下部提供了足够的保护.
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