低能电子近距离放射治疗源的新国家空气比释动能标准。
New National Air-Kerma Standard for Low-Energy Electronic Brachytherapy Sources.
作者信息
Seltzer Stephen M, O'Brien Michelle, Mitch Michael G
机构信息
National Institute of Standards and Technology, Gaithersburg, MD 20899.
出版信息
J Res Natl Inst Stand Technol. 2014 Oct 6;119:554-74. doi: 10.6028/jres.119.022. eCollection 2014.
Abstract
The new primary standard for low-energy electronic brachytherapy sources for the United States is described. These miniature x-ray tubes are inserted in catheters for interstitial radiation therapy and operate at tube potentials of up to about 50 kV. The standard is based on the realization of the air kerma produced by the x-ray beam at a reference distance in air of 50 cm.
摘要
描述了美国低能电子近距离放射治疗源的新初级标准。这些微型X射线管被插入用于间质放射治疗的导管中，并在高达约50 kV的管电位下运行。该标准基于在空气中50 cm的参考距离处由X射线束产生的空气比释动能的实现。
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