To accurately investigate the state of the carotid artery by the local haemodynamics and motion of the plaque using ultrasound, high-frame rate volumetric imaging is necessary. We have specifically designed a matrix array for this purpose. In this proceeding we will focus on imaging a volumetric flow profile using this matrix. For this purpose, we extend a fast frequency domain vector flow imaging method to 3D and perform measurements on a flow phantom. The results indicate that it is feasible to estimate 3D velocity vectors on a 3D grid using our matrix transducer and the proposed algorithm.

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Keywords Fourier domain algorithm, Matrix array, Plane wave imaging, Vector velocity imaging, Volumetric flow
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Conference 2019 IEEE International Ultrasonics Symposium, IUS 2019
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Fool, F. (Fabian), Verweij, M.D, Vos, H.J, Shabanimotlagh, M, Soozande, M, Mozaffarzadeh, M. (Moein), … de Jong, N. (2019). 3D high frame rate flow measurement using a prototype matrix transducer for carotid imaging. In IEEE International Ultrasonics Symposium, IUS (pp. 2242–2245). doi:10.1109/ULTSYM.2019.8925780