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Estrada, H. ; Gottschalk, S. ; Reiss, M. ; Neuschmelting, V. ; Goldbrunner, R.* ; Razansky, D.

Observation of guided acoustic waves in a human skull.

Ultrasound Med. Biol. 44, 2388-2392 (2018)
Postprint DOI PMC
Open Access Green
Human skull poses a significant barrier for the propagation of ultrasound waves. Development of methods enabling more efficient ultrasound transmission into and from the brain is therefore critical for the advancement of ultrasound-mediated transcranial imaging or actuation techniques. We report on the first observation of guided acoustic waves in the near field of an ex vivo human skull specimen in the frequency range between 0.2 and 1.5 MHz. In contrast to what was previously observed for guided wave propagation in thin rodent skulls, the guided wave observed in a higher-frequency regime corresponds to a quasi-Rayleigh wave, confined mostly to the cortical bone layer. The newly discovered near-field properties of the human skull are expected to facilitate the development of more efficient diagnostic and therapeutic techniques based on transcranial ultrasound. (C) 2018 World Federation for Ultrasound in Medicine & Biology. All rights reserved.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Guided Waves ; Skull Bone ; Rayleigh Waves ; Lamb Waves ; Laser Ultrasonics ; Optoacoustic Effect ; Photoacoustic Effect ; Inhomogeneous Solid ; Near Field; Shear-mode Conversion; Murine Skull; Ultrasound; Bone; Transmission; Attenuation; Tissue; Phase; Sound
Language english
Publication Year 2018
HGF-reported in Year 2018
ISSN (print) / ISBN 0301-5629
e-ISSN 1879-291X
Journal Ultrasound in Medicine and Biology
Quellenangaben Volume: 44, Issue: 11, Pages: 2388-2392 Article Number: , Supplement: ,
Publisher Elsevier
Publishing Place 360 Park Ave South, New York, Ny 10010-1710 Usa
Reviewing status Peer reviewed
Institute(s) Institute of Biological and Medical Imaging (IBMI)
POF-Topic(s) 30205 - Bioengineering and Digital Health
Research field(s) Enabling and Novel Technologies
PSP Element(s) G-505590-001
G-505500-001
DOI 10.1016/j.ultrasmedbio.2018.05.019
WOS ID WOS:000445511600023
Scopus ID 85050983114
PubMed ID 30093337
Erfassungsdatum 2018-09-12
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