| XU Zhiyong,ZHANG Liang-an,DAI Guangfu,et al.Dose distribution calculated by Monte Carlo method in a β-coated stent[J].Chinese Journal of Radiological Medicine and Protection,2002,22(6):431-433 |
| Dose distribution calculated by Monte Carlo method in a β-coated stent |
| Received:November 16, 2001 |
| DOI： |
| KeyWords:Monte Carlo method Radioactive stent Restenosis Dosimetry |
| FundProject:国家自然科学基金资助项目:(30170233) |
| Author Name | Affiliation | | XU Zhiyong | Intitute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medicine College, Tianjin 300192, China | | ZHANG Liang-an | Intitute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medicine College, Tianjin 300192, China | | DAI Guangfu | Intitute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medicine College, Tianjin 300192, China | | 苑淑渝 | Intitute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medicine College, Tianjin 300192, China | | 范亚光 | Intitute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medicine College, Tianjin 300192, China | | 李运芳 | Intitute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medicine College, Tianjin 300192, China | | 杨翊 | Intitute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medicine College, Tianjin 300192, China |
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| Abstract:: |
| Objective To compare the results of distribution of dose rate calculated by numerical integration and the Monte Carlo methods. Methods The distribution of dose fate of the stent was estimated with three typical dose-point-kernel functions. Results The radial dose distribution(CDD) on center surface,axial DDON the surface and 0.5 mm apart from the surface of the stent were calculated.For the radial distribution,the variation was less than 1.5%,and so the axial one. Conclusion The results of dose distribution calculated with two methods very close, so the Monte Carlo method can be applied for calculation the dose distribution of radioactive stent. ; |
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