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中国医疗器械杂志 2019, Vol. 43 Issue (5) :326-329    DOI: 10.3969/j.issn.1671-7104.2019.05.004
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可兼容磁共振头颈线圈的新型固定装置应用于放疗的可行性研究
唐慧,李光俊,李长虎,白龙,胡臻尧,柏森
四川大学华西医院 放疗科,成都市,610041
Feasibility Research of the New Fixation Device Compatible with Head and Neck Coil of MRI for Radiotherapy
TANG Hui, LI Guangjun, LI Changhu, BAI Long, HU Zhenyao, BAI Sen  
Department of Radiation Oncology, West China Hospital of Sichuan University, Chengdu, 610041

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摘要 磁共振模拟定位使用头颈线圈扫描的图像质量优于放疗表面线圈,但目前头颈线圈无法与放疗摆位装置兼容。该文基于 计算机逆向工程技术设计了一款可结合头颈线圈使用的新型固定装置,着重探讨其应用于放疗的可行性。利用所得ACR 模体和Catphantom504模体图像对MR和CT各项图像质量保证指标分析;使用电离室测量其对6 MV光子剂量衰减的影 响。结果显示各项指标满足颅内肿瘤放疗的临床应用要求,可用于颅内肿瘤放疗。
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关键词磁共振模拟   头颈线圈   放疗固定装置     
Abstract: MRI simulation images quality of head and neck coil scanning is better than that of radiotherapy surface coil, but currently the head and neck coil is not compatible with radiotherapy positioning devices. In this paper, a new fixation device is developed based on computer reverse engineering technology, which can be used in combination with head and neck coil. This article focuses on discussing the feasibility of the new device in radiotherapy. The obtained ACR phantom and Cat phantom 504 images were used to analyze MR and CT images quality assurance indicators. The dose attenuation of 6 MV photons was measured using the ionization chamber. The results showed each index met the clinical application requirements of intracranial tumor radiotherapy, thereby it can be used in intracranial tumor radiotherapy.
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Received 2019-02-21;
Fund:

四川省科技厅项目(2016JY0072)

Corresponding Authors: 柏森     Email: baisen@scu.edu.cn
About author: 唐慧,E-mail:tanghui_scu@163.com
引用本文:   
唐慧,李光俊,李长虎,白龙,胡臻尧,柏森.可兼容磁共振头颈线圈的新型固定装置应用于放疗的可行性研究[J]  中国医疗器械杂志, 2019,V43(5): 326-329
.Feasibility Research of the New Fixation Device Compatible with Head and Neck Coil of MRI for Radiotherapy[J]  Chinese Journal of Medical Instrumentation, 2019,V43(5): 326-329
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