Newly Progress and Application of High Intensity Focused Ultrasound in Medical
Newly Progress and Application of High Intensity Focused Ultrasound in Medical
复制标题
高强度聚焦超声在医学上的新进展及应用
DOI：
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发表时间：
2008
期刊：
影响因子：
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通讯作者：
Yang Lin
中科院分区：
文献类型：
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作者：
Yang Lin
综述了高强度聚焦超声（HIFU）技术的国内外研究和应用进展，介绍了HIFU的治疗作用原理以及热效应、空化效应、机械效应、辐照效应对相关组织的损伤，特别是给出了聚焦光斑尺寸的计算公式，并对HIFU的治疗作用机理进行了分析。介绍了HIFU换能器的基本原理，分析了HIFU换能器的热传导特性，研究了HIFU换能器的热传导特性，分析了热传导随声频、声强的变化规律，提出了HIFU的一般测试模型和临床应用，重点研究了HIFU换能器，指出了几种匹配聚焦方式的优缺点换能器。讨论了换能器的聚焦方法：介绍了高强度聚焦超声（HIFU）技术在泌尿外科、肿瘤科、神经外科、眼科、妇科、止血等医学领域的应用，并对HIFU技术的应用前景进行了展望。综述了目前HIFU在治疗方面的优缺点及可能采取的有效措施，展望了HIFU技术广阔的应用前景。
This paper summarizes the recent progresses in high intensity focused ultrasound(HIFU) technique about research and application at home and abroad.The therapy functional principle of HIFU and the damages from thermal heat,cavitation,mechanical effect,irradiation effect to related tissues are given.Expecially given the calculating formula of focal spot size,change law of thermal heat with sound frequency and sound intensity.Providing general test model of HIFU and clinical application.Mainly studies HIFU transducer and points out advantages and disadvantages of several matched focused transducers.Focusing methods of the transducer are discussed: self-focusing sphere transducer,sound lens focusing transducer,high-power multivariate ultrasonic transducer,electronic scanning or phased array focusing transducer.Introduced the relationship among choosed frequency,depth and radiation intensity.The application of HIFU technique in urology,oncology,neurosurgery,ophthalmology,gynecology,hemostasis and other medical fields are listed.At last,reviewing merits and demerits of HIFU on therapy aspect at recently and possible effective measures,prospecting the broad application prospects of HIFU technique.