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Prior studies demonstrated that histotripsy generated by high-intensity tone bursts to excite a bubble cloud adjacent to a medical implant can destroy the bacteria biofilm responsible for the infection. The goal of this paper was to treat Staphylococcus aureus (S. aureus) biofilms on surgical mesh samples while varying the number of cycles in the tone burst to minimize collateral tissue damage while...
The need to further improve the spatial resolution of intravascular ultrasound (IVUS) may drive the transducer center frequency even higher than the current 40 MHz range. Using a higher frequency results in stronger scattering echoes from the blood and may hamper visualization of the arterial lumen. This paper presents a multi-frequency processing method to enhance the arterial lumen by extracting...
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