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High-Frequency Ultrasound Shear Wave Imaging System for the Precise Analysis of Heart Mechanics Ex Vivo
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심장조직 정밀분석을 위한 고주파 초음파 횡파 탄성 영상 시스템

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Type
Academic journal
Author
Seungyeop Lee (대구경북과학기술원) Lucy Youngmin Eun (연세대학교) Jae Youn Hwang (대구경북과학기술원) Yongsoon Eun (대구경북과학기술원)
Journal
The Korean Society For Nondestructive Testing JOURNAL OF THE KOREAN SOCIETY FOR NONDESTRUCTIVE TESTING Vol.41 No.4 KCI Accredited Journals
Published
2021.8
Pages
223 - 231 (9page)
DOI
10.7779/JKSNT.2021.41.4.223

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High-Frequency Ultrasound Shear Wave Imaging System for the Precise Analysis of Heart Mechanics Ex Vivo
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Several imaging devices have been used to diagnose heart disease. However, these imaging devices have limitations with regard to the observation of small lesions, which makes early detection of heart disease difficult. This study proposes a shear wave imaging system with a high-frequency ultrasound transducer to measure the mechanical properties of heart tissue to diagnose heart disease. A 38-MHz ultrasound transducer is used to achieve a high-resolution image, and a mechanical vibrator is used to generate shear waves in the heart tissue. In the phantom experiments, spatial resolutions are experimentally determined. The lateral and axial resolutions are 144 and 168 μm, respectively. The feasibility of the proposed system is demonstrated in the experiments pertaining to induced disease-like deformations. The obtained images exhibit local variations in the mechanical properties. Thus, the proposed imaging system can detect small lesions in heart tissue, which is important for early detection of heart disease.
#고주파 초음파 탄성 영상 #심장 실험 #기계적 특성 #횡파 탄성 영상 #High-frequency ultrasound elastography #Swine heart experiment #Mechanical property #Shear wave imaging

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Abstract
1. 서론
2. 본론
3. 결과
4. 결론 및 고찰
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