Ultrasound imaging through the intact skull is challenging because of the skull-induced aberrations and signal attenuation. We have designed an experimental ultrasound diagnostic system for noninvasive brain imaging through the intact skull. To overcome skull-induced aberrations and focus efficiently, the system implements the correction procedure based on a beacon approach. This approach is considered classical and highly accurate in comparison with other correction methods. Operation of the system requires two probes working at 3-4 MHz central frequency. The probes are attached coaxially on both sides of the head to the acoustic transparency windows.
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Translated from Meditsinskaya Tekhnika, Vol. 54, No. 6, Nov.-Dec., 2020, pp. 51-55.
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Osipov, L.V., Kulberg, N.S., Skosyrev, S.V. et al. Transcranial Beam Steering with Aberration Correction. Biomed Eng 54, 438–442 (2021). https://doi.org/10.1007/s10527-021-10057-3
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DOI: https://doi.org/10.1007/s10527-021-10057-3