NDLI: Ultrasound field measuring using hydrophone for quantitative evaluation of medical ultrasonic probe

Content Provider	IEEE Xplore Digital Library
Author	Yu, W.J. Noh, S.C. Park, M.K. Min, H.K. Park, J.H. Choi, H.H.
Copyright Year	2009
Description	Author affiliation: Department of Biomedical Engineering, Inje University, Obang-dong 607, Gimhae-si, Republic of Korea (Yu, W.J.; Noh, S.C.; Park, M.K.; Min, H.K.; Park, J.H.; Choi, H.H.)
Abstract	The quality of ultrasonic images is crucially affected by the applied ultrasonic probe; thus, it is necessary to evaluate the ultrasonic probe to achieve optimal performance. In this paper, the 3D acoustic field analysis method using a hydrophone, one of the probe evaluation methods, was performed, and the efficacy of this evaluation method for quantitative evaluation was evaluated. To acquire the acoustic field distribution of ultrasound at 7.5 MHz, a 128-multi-element medical ultrasonic array probe, that is considered to be inferior, was attached to a shaft. The shaft could be controlled in the x, y, and z directions. The hydrophone was attached in a water bath. The acoustic field distribution of each channel was displayed, and some parameters such as maximum acoustic pressure, the volume of -3dB field, and the symmetry of acoustic field were calculated. Using these parameters, the acoustic fields of normal, abnormal and simulated channels were compared. Comparing acoustic field characteristics of each channel proves that the proposed 3D acoustic field parameters are reliable and efficient to assess the performance of the ultrasonic probe.
Starting Page	70
Ending Page	73
File Size	698903
Page Count	4
File Format	PDF
ISBN	9781424427864
DOI	10.1109/SAS.2009.4801780
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-02-17
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Performance evaluation Ultrasound field Sonar equipment ultrasonic probe quantitative evaluation Biomedical acoustics Shafts Ultrasonic imaging Ultrasonic variables measurement Acoustic measurements Performance analysis acoustic field parameters Probes Biomedical imaging
Content Type	Text
Resource Type	Article

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