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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1109/TUFFC.2013.2863
|2 doi
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|a eng
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| 100 |
1 |
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|a Stephens, Douglas N
|e verfasserin
|4 aut
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|a Flexible integration of high-imaging-resolution and high-power arrays for ultrasound-induced thermal strain imaging (US-TSI)
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|c 2013
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 18.07.2014
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|a Date Revised 23.03.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a Ultrasound-induced thermal strain imaging (USTSI) for carotid artery plaque detection requires both high imaging resolution (<100 μm) and sufficient US-induced heating to elevate the tissue temperature (~1°C to 3°C within 1 to 3 cardiac cycles) to produce a noticeable change in sound speed in the targeted tissues. Because the optimization of both imaging and heating in a monolithic array design is particularly expensive and inflexible, a new integrated approach is presented which utilizes independent ultrasound arrays to meet the requirements for this particular application. This work demonstrates a new approach in dual-array construction. A 3-D printed manifold was built to support both a high-resolution 20 MHz commercial imaging array and 6 custom heating elements operating in the 3.5 to 4 MHz range. For the application of US-TSI in carotid plaque characterization, the tissue target site is 20 to 30 mm deep, with a typical target volume of 2 mm (elevation) × 8 mm (azimuthal) × 5 mm (depth). The custom heating array performance was fully characterized for two design variants (flat and spherical apertures), and can easily deliver 30 W of total acoustic power to produce intensities greater than 15 W/cm(2) in the tissue target region
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|a Journal Article
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|a Research Support, N.I.H., Extramural
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1 |
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|a Mahmoud, Ahmed M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ding, Xuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lucero, Steven
|e verfasserin
|4 aut
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| 700 |
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|a Dutta, Debaditya
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Francois T H
|e verfasserin
|4 aut
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| 700 |
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|a Chen, Xucai
|e verfasserin
|4 aut
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| 700 |
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|a Kim, Kang
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on ultrasonics, ferroelectrics, and frequency control
|d 1986
|g 60(2013), 12 vom: 28. Dez., Seite 2645-56
|w (DE-627)NLM098181017
|x 1525-8955
|7 nnns
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| 773 |
1 |
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|g volume:60
|g year:2013
|g number:12
|g day:28
|g month:12
|g pages:2645-56
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|u http://dx.doi.org/10.1109/TUFFC.2013.2863
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