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The role of angiogenesis in cancer has spurred the development of new methods for imaging vasculature. One such method is acoustic angiography, a dual-frequency superharmonic contrast imaging technique. Custom transducers are necessary for the ultra-wide bandwidth required for this technique, but the current single-element designs present several limitations for translation to clinical use, such as...
We report on the design, assembly and evaluation of a dual frequency mechanically scanned transducer for ultrasound bubble manipulation and real time high frequency imaging applications. A low frequency 2 MHz annulus was designed to fit on the outside of a commercially available 30 MHz, 100% bandwidth single element fixed focus transducer such that the axial axes of each transducer would be substantially...
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