Estrada, Hector ORCID: 0000-0002-4345-6695, Gottschalk, Sven, Reiss, Michael, Neuschmelting, Volker, Goldbrunner, Roland and Razansky, Daniel ORCID: 0000-0001-8676-0964 (2018). OBSERVATION OF GUIDED ACOUSTIC WAVES IN A HUMAN SKULL. Ultrasound Med. Biol., 44 (11). S. 2388 - 2393. NEW YORK: ELSEVIER SCIENCE INC. ISSN 1879-291X

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Abstract

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.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Estrada, HectorUNSPECIFIEDorcid.org/0000-0002-4345-6695UNSPECIFIED
Gottschalk, SvenUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Reiss, MichaelUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Neuschmelting, VolkerUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Goldbrunner, RolandUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Razansky, DanielUNSPECIFIEDorcid.org/0000-0001-8676-0964UNSPECIFIED
URN: urn:nbn:de:hbz:38-167406
DOI: 10.1016/j.ultrasmedbio.2018.05.019
Journal or Publication Title: Ultrasound Med. Biol.
Volume: 44
Number: 11
Page Range: S. 2388 - 2393
Date: 2018
Publisher: ELSEVIER SCIENCE INC
Place of Publication: NEW YORK
ISSN: 1879-291X
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
SHEAR-MODE CONVERSION; MURINE SKULL; ULTRASOUND; BONE; TRANSMISSION; ATTENUATION; TISSUE; PHASE; SOUNDMultiple languages
Acoustics; Radiology, Nuclear Medicine & Medical ImagingMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/16740

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