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1 X-Acoustics: Imaging and Sensing

1 2015

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Thermoacoustic imaging of human finger joints and bones

100%

Lin H. , Weizhi Q. , Yuan Z. , Zihui C. , Nengzhu Z. , Jian R. , Dakun L.

X-Acoustics: Imaging and Sensing

2014

tom 1

nr 1

In this study, we explore a new application of thermoacoustic tomography (TAT) for imaging human finger joints and bones. Three volunteers’ finger joints and bones were visualized with satisfying image contrast and spatial resolution by a TAT scanner. The recovered TAT images revealed apparent microwave absorption differences between the joint cavity and bone. Beyond the full single finger imaging, a volunteer’s four fingers were clearly and concurrently imaged. To confirm our observations, MRI images of two volunteers’ fingers were performed, and the TAT recovered shape/size of the fingers were consistent with the MRI findings. To further assess the feasibility of TAT for finger joint and bone imaging, we quantitatively calculated the conductivity of a case. This initial study suggests that TAT may be a good candidate for screening, diagnosing, and monitoring treatment of joint and bone diseases.

The Influence of Stack Position and Acoustic Frequency on the Performance of Thermoacoustic Refrigerator with the Standing Wave

88%

Rusowicz A. , Kajurek J. , Grzebielec A.

nr 4