Effects of gas pockets on high-intensity focused ultrasound field

The paper describes experimental and numerical studies of the effects of gas pockets on a high-intensity focused ultrasound (HIFU) field. Air bubbles ranging from 0.8 to 2.4 mm in radius were produced in transparent polyacrylamide tissue-mimicking gels. A single-element 3.5-MHz HIFU transducer was u...

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Veröffentlicht in:	IEEE transactions on ultrasonics, ferroelectrics, and frequency control ferroelectrics, and frequency control, 2011-06, Vol.58 (6), p.1203-1210
Hauptverfasser:	Hosseini, S. H. R., Xinliang Zheng, Vaezy, S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustics Air bubbles Biological and medical sciences Computer simulation Gas pockets Gases Gels High-Intensity Focused Ultrasound Ablation - adverse effects High-Intensity Focused Ultrasound Ablation - methods High-Intensity Focused Ultrasound Ablation - standards Investigative techniques, diagnostic techniques (general aspects) Lesions Mathematical models Medical sciences Miscellaneous. Technology Models, Biological Needles Phantoms Phantoms, Imaging Pressure Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) Reduction Shape Studies Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases Technology. Biomaterials. Equipments. Material. Instrumentation Transducers Ultrasonic imaging Ultrasonic investigative techniques Ultrasound Visualization
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