Zobrazeno 1 - 10 of 95 pro vyhledávání: '"Petr V, Yuldashev"'
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Quantitative Assessment of Boiling Histotripsy Progression Based on Color Doppler Measurements
Autor: Minho Song, Gilles P. L. Thomas, Vera A. Khokhlova, Oleg A. Sapozhnikov, Michael R. Bailey, Adam D. Maxwell, Petr V. Yuldashev, Tatiana D. Khokhlova
Publikováno v: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 69:3255-3269
Boiling histotripsy (BH) is a mechanical tissue liquefaction method that uses sequences of millisecond-long high intensity focused ultrasound (HIFU) pulses with shock fronts. The BH treatment generates bubbles that move within the sonicated volume du
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::212597a9840d5f5bc6e803a6b6568839
https://doi.org/10.1109/tuffc.2022.3212266
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3
Robust and durable aberrative and absorptive phantom for therapeutic ultrasound applications
Autor: Alex T, Peek, Gilles P L, Thomas, Daniel F, Leotta, Petr V, Yuldashev, Vera A, Khokhlova, Tatiana D, Khokhlova
Publikováno v: J Acoust Soc Am
Phase aberration induced by soft tissue inhomogeneities often complicates high-intensity focused ultrasound (HIFU) therapies by distorting the field and, previously, we designed and fabricated a bilayer gel phantom to reproducibly mimic that effect.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d3eb19bbb7e2c82d9de0bd9ff23b4d4e
https://doi.org/10.1121/10.0010369
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4
Using Graphics Accelerators in Modeling Nonlinear Ultrasonic Beams on the Basis of the Westervelt Equation
Autor: Petr V. Yuldashev, E. O. Konnova, Vera A. Khokhlova
Publikováno v: Bulletin of the Russian Academy of Sciences: Physics. 85:632-636
The problem of accelerating algorithms is considered for calculating the effects of diffraction, nonlinearity, and absorption in modeling high-intensity ultrasonic beams using the nonlinear Westervelt equation. The results from calculations using gra
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::89154cd239ab47ff1cf15ed490073277
https://doi.org/10.3103/s1062873821060125
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5
Effect of Abdominal Wall Inhomogeneities on the Focusing of an Ultrasonic Beam at Different Positions of the Transducer
Autor: Petr V. Yuldashev, Pavel B. Rosnitskiy, Vera A. Khokhlova, A.S. Bobina, Tatiana D. Khokhlova
Publikováno v: Bulletin of the Russian Academy of Sciences: Physics. 85:675-680
A study is performed of the effect acoustic inhomogeneities of the abdominal wall have on the focusing of a powerful ultrasonic beam at different positions of a transducer. A focused beam generated by a 1 MHz transducer is modeled numerically using a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::02a5d47710ff52eac8e5859b06594f39
https://doi.org/10.3103/s1062873821060058
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6
Numerical Simulation of a Nonlinear Parabolic Equation for Analyzing The Perceived Loudness Statistics of Sonic Boom Wave after Propagation Through Atmospheric Turbulent Layer
Autor: Petr V. Yuldashev, Maria M. Karzova, Vera A. Khokhlova, Ph. Blanc-Benon
Publikováno v: Acoustical Physics. 67:26-37
Soniс boom propagation in the atmospheric turbulent layer, represented by a model of homogeneous isotropic turbulence, is investigated numerically in two-dimensional geometry using a KZK-type nonlinear parabolic equation for an inhomogeneous moving
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d6d0f0fcb7be204446e11bb61fb9c3a4
https://doi.org/10.1134/s1063771021010061
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8
Mechanical damage thresholds for hematomas near gas-containing bodies in pulsed HIFU fields
Autor: Ekaterina M Ponomarchuk, Christopher Hunter, Minho Song, Vera A Khokhlova, Oleg A Sapozhnikov, Petr V Yuldashev, Tatiana D Khokhlova
Publikováno v: Physics in Medicine & Biology. 67:215007
Objective. Boiling histotripsy (BH) is a novel high intensity focused ultrasound (HIFU) application currently being developed for non-invasive mechanical fractionation of soft tissues and large hematomas. In the context of development of BH treatment
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a1ace6d61da9c1aa20bf68c74aa01d57
https://doi.org/10.1088/1361-6560/ac96c7
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9
Characterizing the steering performance of a diagnostic-therapeutic ultrasound array using measured and synthesized holograms
Autor: Randall P. Williams, Wayne Kreider, Fedor A. Nartov, Tatiana D. Khokhlova, Maria M. Karzova, Petr V. Yuldashev, Vera A. Khokhlova, Oleg A. Sapozhnikov
Publikováno v: The Journal of the Acoustical Society of America. 152:A279-A279
Acoustic holography is frequently used for the characterization of fields generated by ultrasound transducers. For arrays with electronic focusing and beam steering, separate holograms are needed to represent the 3D field for each combination of arra
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3225c84b57f1ed4b6cd94c0deea15dfb
https://doi.org/10.1121/10.0016265
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10
The impact of the central opening on nonlinear effects in ultrasound fields generated by Sonalleve V1 and V2 MR-HIFU systems
Autor: Maria M. Karzova, Wayne Kreider, Ari Partanen, Tatiana D. Khokhlova, Oleg A. Sapozhnikov, Petr V. Yuldashev, Vera A. Khokhlova
Publikováno v: The Journal of the Acoustical Society of America. 152:A278-A278
Previous studies have shown that the Sonalleve MR-HIFU clinical system can generate shocks of 80–105 MPa at the focus, which is sufficient for boiling histotripsy. Two versions of the system (V1 and V2) have therapeutic transducers that differ in f
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::03f557696914296b5cfd28f40b48aaba
https://doi.org/10.1121/10.0016263
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