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Following recent advances in medical ultrasound imaging modalities, almost all human tissues can currently be examined. However, there is one exception: the human skeleton. Recent results have shown that cortical bone behaves like an elastic waveguide [1] for this organ supporting the propagation of several guided modes, depending on the cortical waveguide thickness and elasticity, can propagate....
This paper presents the conception of a cMUTs probe for the cortical bone evaluation. A specific topology was designed in order to match the cMUTs technology to the requirements of the axial transmission measurement. We report here all the steps of the probe manufacturing from the design to the first post-process characterization of the cMUTs. The first results of axial transmission measurements performed...
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