Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Bjoern Gerold"'
Autor:
Nesrine Barnat, Anthony Grisey, Bjoern Gerold, Sylvain Yon, Jérémie Anquez, Jean-François Aubry
Publikováno v:
International Journal of Hyperthermia, Vol 37, Iss 1, Pp 231-244 (2020)
Purpose Varicose veins are a common pathology that can be treated by endovenous thermal procedures like radiofrequency ablation (RFA). Such catheter-based techniques consist in raising the temperature of the vein wall to 70 to 120 °C to induce vein
Externí odkaz:
https://doaj.org/article/9cee88344d0a4489a99ecbb7cfc555e3
Autor:
Nesrine Barnat, Anthony Grisey, Bjoern Gerold, Sylvain Yon, Jérémie Anquez, Jean-François Aubry
Publikováno v:
International Journal of Hyperthermia, Vol 37, Iss 1, Pp 1238-1247 (2020)
Background Varicose veins are a common disease that may significantly affect quality of life. Different approaches are currently used in clinical practice to treat this pathology. Materials and methods In thermal therapy (radiofrequency or laser ther
Externí odkaz:
https://doaj.org/article/516266806708400bacfb9c6256e8a963
Publikováno v:
New Journal of Physics, Vol 15, Iss 3, p 033044 (2013)
The acoustic emissions from single cavitation clouds at an early stage of development in 0.521 MHz focused ultrasound of varying intensity, are detected and directly correlated to high-speed microscopic observations, recorded at 1 × 10 ^6 frames per
Externí odkaz:
https://doaj.org/article/f8ff5d017eb4487c85fda885a33aeec6
Publikováno v:
Current Directions in Biomedical Engineering, Vol 6, Iss 3, Pp 123-126 (2020)
High intensity focused ultrasound is used as a surgical tool to treat completely non-invasively several diseases. Examples of clinical applications are uterine fibroids, prostate cancer, thyroid nodules, and varicose veins. Precise targeting is key f
Capacitive Micromachined Ultrasound Transducers for Interstitial High-Intensity Ultrasound Therapies
Autor:
Bjoern Gerold, An Nguyen-Dinh, Michael Canney, Jérémy Vion-Bailly, Jean-Yves Chapelon, W. Apoutou N'Djin, Alexandre Carpentier
Publikováno v:
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 64:1245-1260
Capacitive micromachined ultrasound transducers (CMUTs) exhibit several potential advantages over conventional piezo technologies for use in therapeutic ultrasound (US) devices, including ease of miniaturization and integration with electronics, broa
Autor:
Jeremie Anquez, Jean-François Aubry, Nesrine Barnat, Bjoern Gerold, B. Lecuelle, Sylvain Yon, Anthony Grisey
Publikováno v:
Physics in Medicine and Biology
Physics in Medicine and Biology, IOP Publishing, 2019, 64 (2), pp.025003. ⟨10.1088/1361-6560/aaf58d⟩
Physics in Medicine and Biology, IOP Publishing, 2019, 64 (2), pp.025003. ⟨10.1088/1361-6560/aaf58d⟩
International audience; Venous insufficiency is a common disease arising when veins of the lower limb become incompetent. A conventional surgical strategy consists in stripping the incompetent veins. However, this treatment option is invasive and car
Publikováno v:
2014 IEEE International Ultrasonics Symposium.
Cavitation mediated effects in liquids exposed to ultrasound, play pivotal roles in a number of industrial arenas, including precision acoustic cleaning (megasonics) and sonochemistry. The spontaneous occurrence of cavitation, and the subsequent inte
Autor:
Alfred Cuschieri, Michiel Postema, Bjoern Gerold, Cecilia Tapia-Siles, Sandy Cochran, Paul Prentice, Keith Johnston
Publikováno v:
Ultrasonics
Ultrasonics, Elsevier, 2014, 54 (8), pp.2151-2158. ⟨10.1016/j.ultras.2014.06.011⟩
Ultrasonics, Elsevier, 2014, 54 (8), pp.2151-2158. ⟨10.1016/j.ultras.2014.06.011⟩
International audience; Single clouds of cavitation bubbles, driven by 254 kHz focused ultrasound at pressure amplitudes in the range of 0.48-1.22 MPa, have been observed via high-speed shadowgraphic imaging at 1 Â 10 6 frames per second. Clouds und
Publikováno v:
The Journal of the Acoustical Society of America. 140:2984-2984
Cavitation in Focused Ultrasound Surgery (FUS) is a stochastic phenomenon that can evolve very rapidly at the high intensities typically employed. Cavitation activity can be monitored analyzing its acoustic signals in the frequency domain. Cavities a
Autor:
Yoav Medan, Dana Gourevich, Alexander Volovick, Sandy Cochran, Fabian Arditti, Doudou Xu, Bjoern Gerold, Paul Prentice, Lijun Wang, Andreas Melzer, Jallal Gnaim
Publikováno v:
AIP Conference Proceedings.
Reducing toxicity and improving uptake of cancer drugs in tumors are important goals of targeted drug delivery (TDD). Ultrasonic drug release from various encapsulants has been a focus of many research groups. However, a single standard ultrasonic de