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10 June 2003 New piezocomposite transducers for therapeutic ultrasound
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The development of therapeutic ultrasound requires specially adapted transducers for the generation of high intensity focused beams. New piezocomposite technologies have been developed to take into account the high power requirements and constraints like the high degree of focussing, the capability to withstand thermal shocks, the requirement for safe and reliable transducers, the compatibility with MRI and Ultrasonic imaging systems. This approach enables a wide variety of shapes and the design of array transducers for electronic focusing, scanning and steering of the therapeutic beam. Recent results will be presented on power and efficiency aspects. The feasibility of highly focused transducers with several array structures as well as the combination of these technologies with MRI and Ultrasonic imaging systems will be illustrated through various examples.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Gerard Fleury, David Melo de Lima, Kullervo Hynynen, Remi Berriet, Olivier Le Baron, and Bertrand Huguenin "New piezocomposite transducers for therapeutic ultrasound", Proc. SPIE 4954, Thermal Treatment of Tissue: Energy Delivery and Assessment II, (10 June 2003);

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