[1]吴冰,张才勋,付敬国,等.3D打印技术在电子线挡铅中的应用[J].中国医学物理学杂志,2020,37(1):33-37.[doi:DOI:10.3969/j.issn.1005-202X.2020.01.007]
　WU Bing,ZHANG Caixun,FU Jinguo,et al.Application of 3D printing technology in manufacture of lead shielding for electron beams[J].Chinese Journal of Medical Physics,2020,37(1):33-37.[doi:DOI:10.3969/j.issn.1005-202X.2020.01.007]
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3D打印技术在电子线挡铅中的应用()
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《中国医学物理学杂志》[ISSN:1005-202X/CN:44-1351/R]

卷:
37
期数:
2020年第1期
页码:
33-37
栏目:
医学放射物理
出版日期:
2020-01-25

文章信息/Info

Title:
Application of 3D printing technology in manufacture of lead shielding for electron beams
文章编号:
1005-202X（2020）01-0033-05
作者:
吴冰; 张才勋; 付敬国; 马广栋; 王陆洲; 张军
武汉大学人民医院肿瘤诊疗中心， 湖北 武汉 430060
Author(s):
WU Bing;  ZHANG Caixun;  FU Jinguo;  MA Guangdong;  WANG Luzhou;  ZHANG Jun
Cancer Diagnosis and Treatment Center, Renmin Hospital of Wuhan University, Wuhan 430060, China
关键词:
3D打印; 电子线挡铅; 放射治疗; 模块
Keywords:
Keywords: 3D printing;  lead shielding for electron beams;  radiotherapy;  model
分类号:
R319
DOI:
DOI:10.3969/j.issn.1005-202X.2020.01.007
文献标志码:
A
摘要:
目的：建立一套基于3D打印技术制作个体化电子线挡铅的实现方法，为电子线挡铅的制作提供一种新方法。方法：在患者需要进行电子线照射区域的体表上贴上一圈铅丝，并在Varian Acuity模拟定位机上采集该区域的图像数据，在自行研发的图像处理软件中，基于患者图像数据勾画出相对应的铅丝轮廓并建模为3D打印模型。采用3D打印机打印出该模型，再结合传统的铅块灌铸技术，制作出电子线挡铅模块。结果：该方法制作的铅块接触面平整、光滑，模块在Varian 23EX电子线托盘上验证，光影形状与放疗医生在皮肤表面的勾画形状完全吻合。同时模块制作成本低廉，制作时间在可接受范围内。结论：基于3D打印技术制作个体化电子线挡铅步骤简单、快速，铅块精度高，该方法为放疗电子线挡铅的制作提供一种新思路。
Abstract:
Objective To establish an implementation method of individualized lead shielding for electron beams based on 3D printing technology for providing a new method for the manufacture of lead shielding for electron beams. Methods A circle of lead wire was placed on the patient’s body surface where needed to be irradiated with electron beams, and the image data of this area were collected by Varian Acuity simulator. Based on the obtained image data, the contour of lead wire was delineated in the self-developed image processing software and modeled as a 3D printed model. The obtained model was printed out by a 3D printer, and then was combined with a traditional lead block casting technique to manufacture a lead shielding for electron beams. Results The contact surface of the lead shielding made by the proposed method was smooth and flat. The model was verified on Varian 23EX electronic tray and the shape of the light and shadow were perfectly matched the skin delineations by radiologists. Meanwhile, the model manufacture was low-cost and the time for manufacture was in an acceptable range. Conclusion The manufacture of individualized lead shielding for electron beams based on 3D printing technology has the advantages of simple steps and fast-spead, and the obtained lead shielding has a high precision. The proposed method provides a new idea for the manufacture of lead shielding for electron beams.

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备注/Memo

备注/Memo:
【收稿日期】2019-08-12 【基金项目】武汉大学人民医院2018年度1级新技术项目（2018-X-14） 【作者简介】吴冰，主管技师，主要从事肿瘤放射治疗工作，E-mail: zqw@163.com 【通信作者】张军，高级工程师，主要从事放射物理、智能系统设计开发方面的研究工作，E-mail: seezhangjun@163.com
更新日期/Last Update: 2020-01-14