Shear wave imaging method and installation for collecting information on a soft solid

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United States of America Patent

PATENT NO 10368750
APP PUB NO 20160367143A1
SERIAL NO

14903876

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Abstract

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This shear wave imaging method, for collecting information on a target region (R) of a soft solid (S), comprises at least the steps a) of generating at least one shear wave (SW) in the target region, and b) of detecting a propagation pattern of the shear wave in the target region. Step a) is realized by applying to particles of the target region (R) some Lorentz forces resulting from an electric field (E) and from a magnetic field (B). At least one of the electric field (E) and the magnetic field (B) is variable in time, with a central frequency (fo) between 1 Hz and 10 kHz. Alternatively, both the electric and magnetic fields (E, B) are variable in time, with a central difference frequency (Δfo) between 1 Hz and 10 kHz. The shear wave imaging installation comprises a first system (4, 7) for generating at least one shear wave (SW) in the target region (R) and a second system (10) for detecting a propagation pattern of the shear wave. The first system includes first means (4) to apply an electric field (E) through the target region (R) and second means (7) to apply a magnetic field (B) through the target region. The first and second means are configured to apply to particles of the target region some Lorentz forces resulting from the electric field (E) and the magnetic field (B), where at least one of these fields is a quantity variable in time, with a central frequency (fo) between 1 Hz and 10 kHz, or both fields are quantities variable in time, with a central difference frequency (Δfo) between 1 Hz and 10 kHz.

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Patent Owner(s)

Patent OwnerAddress
INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE)101 RUE DE TOLBIAC PARIS 75013
UNIVERSITE CLAUDE BERNARD LYON 143 BOULEVARD DU 11 NOVEMBRE 1918 VILLEURBANNE 69100

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Catheline, Stefan Lyons, FR 12 345
Chapelon, Jean-Yves Lyons, FR 41 3278
Grasland-Mongrain, Pol Lyons, FR 2 6
Lafon, Cyril Lyons, FR 17 624
Souchon, Remi Lyons, FR 4 1

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