國家衛生研究院 NHRI:Item 3990099045/7683
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    题名: MRI-compatible ultrasound heating system with ring-shaped phased arrays for breast tumor thermal therapy
    作者: Chen, HN;Chen, GM;Lin, BS;Lien, PH;Chen, YY;Chen, GS;Lin, WL
    贡献者: Division of Medical Engineering Research
    摘要: Therapeutic ultrasound transducers can carry out precise and efficient power deposition for tumor thermal therapy under the guidance of magnetic resonance imaging. For a better heating, organ-specific ultrasound transducers with precision location control system should be developed for tumors located at various organs. It is feasible to perform a better heating for breast tumor thermal therapy with a ring-shaped ultrasound phased-array transducer. In this study, we developed ring-shaped phased-array ultrasound transducers with 1.0 and 2.5 MHz and a precision location control system to drive the transducers to the desired location to sonicate the designated region. Both thermo-sensitive hydrogel phantom and ex vivo fresh pork were used to evaluate the heating performance of the transducers. The results showed that the ring-shaped phased array ultrasound transducers were very promising for breast tumor heating with the variation of heating patterns and without overheating the ribs.
    日期: 2013-07
    關聯: 35th Annual International Conference of the IEEE Engineering on Medicine and Biology Society. 2013 Jul:3726-3728.
    Link to: http://dx.doi.org/10.1109/EMBC.2013.6610353
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000341702104043
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84886579377
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