Special Section Technical Briefs

Characterization of Focal Location During High-Intensity Focused Ultrasound Ablation in a Tissue Phantom Using Remote Thermocouple Arrays1

[+] Author and Article Information
Surendra Devarakonda, Seyed Ahmad Reza Dibaji, Rupak K. Banerjee

Department of Mechanical and Materials Engineering,
College of Engineering and Applied Science,
University of Cincinnati,
Cincinnati, OH 45221

Prasanna Hariharan, Matthew R. Myers

Division of Solid and Fluid Mechanics,
Center for Devices and Radiological Health,
U.S. Food and Drug Administration,
Silver Spring, MD 20993

DOI: 10.1115/1.4033243Manuscript received March 1, 2016; final manuscript received March 17, 2016; published online May 12, 2016. Editor: William Durfee.

J. Med. Devices 10(2), 020949 (May 12, 2016) (2 pages) Paper No: MED-16-1171; doi: 10.1115/1.4033243 History: Received March 01, 2016; Revised March 17, 2016

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Dibaji, S. A. R. , Wansapura, J. , Myers, M. R. , and Banerjee, R. K. , 2014, “ In Vivo Monitoring of HIFU Induced Temperature Rise in Porcine Liver Using Magnetic Resonance Thermometry,” ASME J. Med. Devices, 8(3), p. 030937. [CrossRef]
Dasgupta, S. , Hariharan, P. , Banerjee, R. K. , and Myers, M. R. , 2011, “ Beam Localization in HIFU Temperature Measurements Using Thermocouples, With Application to Cooling by Large Blood Vessels,” Ultrasonics, 51(2), pp. 171–180. [CrossRef] [PubMed]
Hariharan, P. , Dibaji, S. A. R. , Myers, M. R. , and Banerjee, R. K. , 2014, “Localization of Focused-Ultrasound Beams in a Tissue Phantom, Using Remote Thermocouple Arrays,” IEEE Trans. Ultrason., Ferroelectr., Freq. Control, 61(12), p. 081005.
King, R. L. , Liu, Y. , Maruvada, S. , Herman, B. A. , Wear, K. A. , and Harris, K. A. , 2011, “ Development and Characterization of a Tissue-Mimicking Material for High-Intensity Focused Ultrasound,” IEEE Trans. Ultrason., Ferroelectr., Freq. Control, 58(7), pp. 1397–1405. [CrossRef]


Grahic Jump Location
Fig. 4

Deviation of the radial location from the prescribed location along the x-axis for different acoustic powers

Grahic Jump Location
Fig. 3

Five locations where sonication is performed along the x-axis, tilt between the transducer and the phantom

Grahic Jump Location
Fig. 2

Schematic of the HIFU experimental setup showing the phantom, transducer, and the DAQ

Grahic Jump Location
Fig. 1

Isometric view of the transducer, phantom, and the TCs



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