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We present experimental validation results of an adaptive, image-based refocusing algorithm of dual-mode ultrasound arrays (DMUAs) in the presence of strongly scattering objects. This study is motivated by the need to develop noninvasive techniques for therapeutic targeting of tumors seated in organs where the therapeutic beam is partially obstructed by the ribcage, e.g., liver and kidney. We have...
We present experimental results illustrating the unique advantages of dual-mode array (DMUA) systems in monitoring and guidance of high intensity focused ultrasound (HIFU) lesion formation. DMUAs offer a unique paradigm in image-guided surgery; one in which images obtained using the same therapeutic transducer provide feedback for: 1) refocusing the array in the presence of strongly scattering objects,...
A major advantage of imaging with dual-mode ultrasound arrays (DMUAs) is the inherent registration between imaging and therapeutic coordinate systems during image-guided surgery which allows for image-based feedback for refocusing the therapeutic beam. Specifically, this capability is critical in image-guided thoracic surgeries where the target is partially obstructed by the rib cage, thus limiting...
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