Search Results - "Canney, Michael S."
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Acoustic characterization of high intensity focused ultrasound fields: A combined measurement and modeling approach
Published in The Journal of the Acoustical Society of America (01-10-2008)“…Acoustic characterization of high intensity focused ultrasound (HIFU) fields is important both for the accurate prediction of ultrasound induced bioeffects in…”
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Magnetic resonance imaging of boiling induced by high intensity focused ultrasound
Published in The Journal of the Acoustical Society of America (01-04-2009)“…Both mechanically induced acoustic cavitation and thermally induced boiling can occur during high intensity focused ultrasound (HIFU) medical therapy. The goal…”
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Shock-Induced Heating and Millisecond Boiling in Gels and Tissue Due to High Intensity Focused Ultrasound
Published in Ultrasound in medicine & biology (01-02-2010)“…Abstract Nonlinear propagation causes high-intensity ultrasound waves to distort and generate higher harmonics, which are more readily absorbed and converted…”
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Controlled tissue emulsification produced by high intensity focused ultrasound shock waves and millisecond boiling
Published in The Journal of the Acoustical Society of America (01-11-2011)“…In high intensity focused ultrasound (HIFU) applications, tissue may be thermally necrosed by heating, emulsified by cavitation, or, as was recently…”
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Capacitive Micromachined Ultrasound Transducers for Interstitial High-Intensity Ultrasound Therapies
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01-08-2017)“…Capacitive micromachined ultrasound transducers (CMUTs) exhibit several potential advantages over conventional piezo technologies for use in therapeutic…”
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Ureteroscopic ultrasound technology to size kidney stone fragments: proof of principle using a miniaturized probe in a porcine model
Published in Journal of endourology (01-06-2010)“…A prototype ultrasound-based probe for use in ureteroscopy was used for in vitro measurements of stone fragments in a porcine kidney. Fifteen human stones…”
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A multi-element interstitial ultrasound applicator for the thermal therapy of brain tumors
Published in The Journal of the Acoustical Society of America (01-08-2013)“…Interstitial thermal therapy is a minimally invasive treatment modality that has been used clinically for ablating both primary and secondary brain tumors…”
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Laser-Induced Fluorescence Thermometry of Heating in Water from Short Bursts of High Intensity Focused Ultrasound
Published in Ultrasound in medicine & biology (01-04-2013)“…Abstract Free field experimental measurements of the temperature rise of water in the focal region of a 2 MHz high intensity focused ultrasound (HIFU)…”
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Millisecond initiation of boiling by high-intensity focused ultrasound in tissue-mimicking phantoms
Published in The Journal of the Acoustical Society of America (01-11-2006)“…Nonlinear propagation effects leading to shock formation at the focus of high-intensity focused ultrasound (HIFU) treatments can accelerate heating and cause…”
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Spatial distributions of acoustic parameters in high-intensity focused ultrasound fields
Published in The Journal of the Acoustical Society of America (01-11-2006)“…Different peak and average acoustic parameters determine the efficiency of different physical mechanisms of high-intensity focused ultrasound (HIFU)…”
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Design and testing of an interstitial therapeutic ultrasound applicator for the thermal ablation of cerebral tumors
Published in The Journal of the Acoustical Society of America (01-10-2010)“…Conventional treatments for cerebral tumors involve surgical resection of the lesion in combination with chemotherapy or radiotherapy. In this work, an…”
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Tissue erosion using millisecond boiling in high-intensity focused ultrasound fields
Published in The Journal of the Acoustical Society of America (01-03-2010)“…High-intensity focused ultrasound (HIFU) transducers can be operated at high-pressure amplitudes of greater than 60 MPa and low-duty cycles of 1% or less to…”
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A method of mechanical emulsification in a bulk tissue using shock wave heating and millisecond boiling
Published in The Journal of the Acoustical Society of America (01-04-2011)“…Recent studies in high intensity focused ultrasound (HIFU) have shown significant interest in generating purely mechanical damage of tissue without thermal…”
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Observations of cavitation and boiling in a tissue-mimicking phantom due to high intensity focused ultrasound
Published in The Journal of the Acoustical Society of America (01-11-2007)“…Bubbles generated by acoustic cavitation or boiling are often observed during high intensity focused ultrasound (HIFU) medical treatments. In this work,…”
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A method of HIFU field characterization in water and deration to tissue
Published in The Journal of the Acoustical Society of America (01-05-2008)“…Acoustic characterization of nonlinear HIFU fields is important for both the accurate prediction of ultrasound induced bioeffects and the development of…”
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Formation of shock waveforms and millisecond boiling in an attenuative tissue phantom due to high-intensity focused ultrasound
Published in The Journal of the Acoustical Society of America (01-05-2007)“…Nonlinear propagation effects during high-intensity focused ultrasound (HIFU) treatments can induce shocks in the acoustic waveform, dramatically accelerate…”
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Magnetic resonance imaging of boiling induced by high intensity focused ultrasound
Published in The Journal of the Acoustical Society of America (01-11-2007)“…Bubble activity in high intensity focused ultrasound (HIFU) medical therapy is commonly but not rigorously divided between mechanically induced cavitation (μ…”
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19
Ureteroscopic ultrasound technology to size kidney stone fragments: Proof of principal using a miniaturized probe in a porcine model
Published in The Journal of the Acoustical Society of America (01-04-2009)“…Background: the ability to measure stone fragment size could help prevent attempting to extract too large a stone fragment. We evaluated the ability of a 1.2…”
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Modeling weak shocks produced by high-intensity focused ultrasound
Published in The Journal of the Acoustical Society of America (01-04-2009)“…Shock waves of up to 100 MPa may form at the focus of high-intensity focused ultrasound (HIFU) transducers at clinically reported in situ intensities of up to…”
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