Results 241 to 250 of about 26,966 (277)

Formation of Laser‐Induced Periodic Surface Structures on Titanium Alloy Using a Picosecond Laser: Dependence on Fluence and Number of Laser Pulses

Advanced Materials Interfaces, EarlyView.
Laser treatment of materials is a versatile technique for generating ordered surface structures. Nevertheless, such structures are the result of laser parameters such as laser pulse fluence. We demonstrate that homogeneous low special frequency laser‐induced periodic surface structures are contingent on both single and effective fluence dose and can be
Iana Fomicheva, Petr Druzhinin, Hans Amler, Alexander B. Tesler, George Sarau, Gerd Leuchs, Silke H. Christiansen   +6 more
wiley   +1 more source

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Focal High-Intensity Focused Ultrasound Ablation of the Prostate

Journal of Endourology, 2021
With the advancement of early detection tools for prostate cancer and ability to better localize disease, there has been increased interest in focal or targeted therapies that carry less morbidity than traditional whole-gland treatments. The Sonablate® high-intensity focused ultrasound (HIFU) device has Food and Drug Administration (FDA) 510(K ...
Lauren R, Abrams, Michael O, Koch, Clinton D, Bahler   +2 more
openaire   +2 more sources

High-intensity focused ultrasound ablation of breast cancer

Expert Review of Anticancer Therapy, 2007
The noninvasive ablation of tumors with high-intensity focused ultrasound (HIFU) energy has received increasingly widespread interest. The temperature within the focal volume of an ultrasound beam is rapidly raised to cytotoxic levels. HIFU can selectively ablate a targeted tumor at depth without any damage to surrounding or overlying tissues.
Feng, Wu, Gail, ter Haar, Wei R, Chen
openaire   +2 more sources

Chronic Histological Transmurality of High-Intensity Focused Ultrasound Ablation

The Annals of Thoracic Surgery, 2012
We evaluated histologic results for surgical left maze with an high-intensity focused ultrasound (HIFU) energy source. Two patients came to our attention 6 and 48 months, respectively, after ablation concomitant to a valve procedure. Tissue specimens, obtained from the lesion site on the mitral isthmus and from the "box lesion" around the pulmonary ...
P. Vanelli, R. Rossi, G. Gelpi, G. Cagnoni, M. Contino, E. Bosisio, G. Vago, C. Antona   +7 more
openaire   +3 more sources

Laparoscopic Partial Kidney Ablation With High Intensity Focused Ultrasound

Journal of Urology, 2003
High intensity focused ultrasound has been performed for transrectal and extracorporeal thermal ablation of tissues. We developed and tested a laparoscopic probe that allows real-time ultrasound imaging during partial renal ablation using high intensity focused ultrasound.A Sonablate 200 (Focus Surgery, Indianapolis, Indiana) high intensity focused ...
Ryan F, Paterson, Eric, Barret, Tibério M, Siqueira, Thomas A, Gardner, Jahangir, Tavakkoli, Victor V, Rao, Narendra T, Sanghvi, Liang, Cheng, Arieh L, Shalhav   +8 more
openaire   +2 more sources

Ablation of tissue volumes using high intensity focused ultrasound

Ultrasound in Medicine & Biology, 1996
Successful application of high intensity focused ultrasound to cancer treatment requires complete ablation of tissue volumes. In order to destroy an entire tumour it is necessary to place a contiguous array of touching lesions throughout it. In a study of how best to achieve this, exposures were selected to give single lesions that were thermal in ...
A L, Malcolm, G R, ter Haar
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High-Intensity Focused Ultrasound Ablation of Rabbit Kidney Tumors

Journal of Endourology, 1996
High-intensity focused ultrasound (HIFU) is a noninvasive surgical technique in which ultrasound energy is delivered transcutaneously to a discrete area within the body. This energy can result in a well-defined zone of cellular death within the targeted tissue. We used HIFU in an effort to ablate rabbit VX-2 kidney tumors.
J B, Adams, R G, Moore, J H, Anderson, J D, Strandberg, F F, Marshall, L R, Davoussi   +5 more
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High-Intensity Focused Ultrasound Ablation Therapy of Gliomas

2018
Ultrasound in clinical medicine is most commonly associated with imaging, but can be harnessed to yield an array of biological effects, including thermal ablation of brain tumors. Therapeutic ultrasound has been studied for many years, but only within the last decade has the technology reached a point where it is safe and practical for clinical ...
Ryan D, Alkins, Todd G, Mainprize
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Liver Cancer Ablation with Extracorporeal High-Intensity Focused Ultrasound

European Urology, 1993
Recent animal studies have demonstrated the capacity of high-intensity focused ultrasound (HIFU) to extracorporeally ablate selective tissue targets in the liver without requiring surgical exposure of the liver or insertion of instruments into the liver.
R, Yang, N T, Sanghvi, F J, Rescorla, K K, Kopecky, J L, Grosfeld   +4 more
openaire   +2 more sources

Noninvasive Thermometry in High-Intensity Focused Ultrasound Ablation

Ultrasound Quarterly, 2017
AbstractHigh-intensity focused ultrasound (HIFU) is emerging as an effective and promising treatment modality for the formation of coagulative necrosis inside the cancer/tumor noninvasively. To guarantee the efficacy and efficiency of HIFU ablation, the temperature field and consequent thermal dose should be monitored accurately in a high temporal and ...
openaire   +2 more sources