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题名: Finite Element Analysis of Radiofrequency Ablation Process in Soft Tissue Sarcomas
作者: Zhang RM(张如美); Liu H(刘浩); Li HY(李洪谊)
作者部门: 机器人学研究室
会议名称: 2014 4th IEEE International Conference on Information Science and Technology
会议日期: April 26-28, 2014
会议地点: Shenzhen, China
会议录: Proceedings of 2014 4th IEEE International Conference on Information Science and Technology
会议录出版者: IEEE
会议录出版地: Piscataway, NJ, USA
出版日期: 2014
页码: 358-363
收录类别: EI ; CPCI(ISTP)
ISBN号: 978-1-4799-4808-6
关键词: RF ablation ; Soft tissue sarcomas ; Finite element method ; Temperature distribution
摘要: Soft tissue sarcomas which are serious hazard to human are aggressive and difficult to control. Traditional ways of treatment can bring great pain to the patients. Radiofrequency( RF) ablation has become a feasible and minimally invasive treatment for soft tissue sarcomas. However, there are few literatures to study the energy and temperature distributions in the sarcomas. In this paper, sarcomas simulation model was established based on the prototype of gastrointestinal stromal sarcoma. Parameters of electric and thermal properties of the sarcomas were set appropriately by considering its thermal sensitivity. Temperature of 323.15K is chosen as a border edge to evaluate the efficacy of RF ablatio. Results indicate that the maximum temperature point occurs at the apex of RF probe. Growth of temperature at the probe apex decreases with the increment of ablation time. In addition, a local maximum temperature point is presented at the interface of the sarcoma and muscle tissue, which is meaningful for RF ablation to keep the normal tissue undamaged. Effects of electrode insertion depth on the RF ablation were studied in this paper. Results indicate that area of tumor cell necrosis is expanded gradually with the increase of insertion depth and RF power radiated. However, the temperature of the apex of probe drops with the increasing of the depth inserted. As a result, probe insertion depth and RF ablation power must be cooperated to achieve desired RF ablation effect.
语种: 英语
产权排序: 1
WOS记录号: WOS:000364968700085
Citation statistics:
内容类型: 会议论文
URI标识: http://ir.sia.cn/handle/173321/15396
Appears in Collections:机器人学研究室_会议论文

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Recommended Citation:
Zhang RM,Liu H,Li HY. Finite Element Analysis of Radiofrequency Ablation Process in Soft Tissue Sarcomas[C]. 见:2014 4th IEEE International Conference on Information Science and Technology. Shenzhen, China. April 26-28, 2014.
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文件名: Finite Element Analysis of Radiofrequency Ablation Process in Soft Tissue Sarcomas.pdf
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