2022
DOI: 10.4111/icu.20220059
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Understanding cavitation-related mechanism of therapeutic ultrasound in the field of urology: Part I of therapeutic ultrasound in urology

Abstract: Shock waves are commonly used in the field of urology. They have two phases, positive and negative, and the bubble generation is roughly classified into acoustic cavitation (AC) and laser-induced cavitation (LIC). We evaluated the occurrence of cavitation, its duration, the area of interest, and the maximal diameter of the cavitation bubbles. Changes in AC occurred at 0.2 ms with the highest number of bubbles and disappeared at 0.6 ms. The bubble size was 2 mm in diameter. Changes in LIC bubbles were observed … Show more

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Cited by 7 publications
(3 citation statements)
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References 19 publications
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“…The authors have attempted to improve stone fragmentation efficiency by using artificial stones, laser, or therapeutic ultrasound [8,14,15]. In this study, the hit rates of shockwaves to the stones on the phantom gel were only 50-67% of those in the adjusted respiration.…”
Section: Respiratory Regularity and Its Effect On The Stone Fragmenta...mentioning
confidence: 93%
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“…The authors have attempted to improve stone fragmentation efficiency by using artificial stones, laser, or therapeutic ultrasound [8,14,15]. In this study, the hit rates of shockwaves to the stones on the phantom gel were only 50-67% of those in the adjusted respiration.…”
Section: Respiratory Regularity and Its Effect On The Stone Fragmenta...mentioning
confidence: 93%
“…Four artificial stones were placed in 4 × 4 × 4 mm phantom gels (Fig. 1A) with a mean hardness of 91.2 ± 15.8 N/m2 as measured by a push-pull gauge to resemble the mechanical properties of calcium oxalate monohydrate stones [8]. The gel with an inner side space for stone placement was positioned on a motorized plate (Fig.…”
Section: Preparation Of Artificial Stones Phantom Gel and A Respirati...mentioning
confidence: 99%
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