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http://dx.doi.org/10.7742/jksr.2017.11.5.329

Development of Shielding using Medical Radiological Contrast Media; Comparison Analysis of Barium Sulfate Iodine Shielding ability by Monte Carlo Simulation  

Kim, Seon-Chil (Department of Biomedical Engineering, Medical School Keimyung University)
Publication Information
Journal of the Korean Society of Radiology / v.11, no.5, 2017 , pp. 329-334 More about this Journal
Abstract
The purpose of this study is to estimating the possibility of manufacturing radiation shielding sheet by searching for environmentally friendly materials suitable for medical environment of medical radiation shielding. There are many tungsten products which are currently used as shielding materials in place of lead, but there are small problems in the mass production of lightweight shielding sheets due to economical efficiency. To solve these problems, a lightweight, environmentally friendly material with economical efficiency is required. In this study, Barium sulphate and Iodine were proposed. Both materials are already used as contrast medias in radiography, and it is predicted that the shielding effect will be sufficient in a certain region as a shielding material because of the characteristic of absorbing radiation. Therefore, in this study, we used a Monte Carlo simulation to simulate radiation shielding materials. When it is a contrast agent such as Barium sulfate and Iodine, the radiation absorption effect in the high energy region appears greatly, and the effectiveness of the two shielding substance in the energy region of the star with thickness of 120 kVp is also evaluated in the medical radiation imaging region. Simulated estimation results it was possible to estimate the effectiveness of shielding for all two substances. Iodine has higher shielding effect than barium sulfate, 0.05 mm thick appears great effect. Therefore, the Monte Carlo simulation confirms that iodine, which is a radiological contrast agent, is also usable as barium sulfate in the production of radiation shielding sheets.
Keywords
Radiation shield; iodine; Barium sulfate; Monte Carlo Simulation;
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