ULTRASONIC DIAGNOSIS APPARATUS AND ULTRASONIC MEASUREMENT METHOD

WIPO Patent Application WO/2011/004661

A1

Disclosed are an ultrasonic diagnosis apparatus and an ultrasonic measurement method enabling easy acquisition of elasticity information by means of a shear wave. The ultrasonic diagnosis apparatus is provided with an ultrasonic probe (4) for transmitting/receiving an ultrasonic wave to/from a subject (5), a vibrator (3) for generating a shear wave, a transmitting/receiving unit (2, 6) for transmitting/receiving an ultrasonic wave to/from the ultrasonic probe (4), a shear wave propagation detecting unit (14) for determining the propagation position of the shear wave and the propagation time of the shear wave, a shear wave image constructing unit (16) for constructing a shear wave image showing the relation between the propagation position and propagation time of the shear wave, and an elasticity information computing unit (15) for computing elasticity information on the basis of the boundary of the shear wave image.

OSAKA TAKASHI (JP)
MITAKE TSUYOSHI (JP)
TONOMURA AKIKO (JP)

PCT/JP2010/059242

January 13, 2011

June 01, 2010

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HITACHI MEDICAL CORP (JP)
OSAKA TAKASHI (JP)
MITAKE TSUYOSHI (JP)
TONOMURA AKIKO (JP)

A61B8/08

JP2007044231A	2007-02-22
JP2005270341A	2005-10-06
JP2005534455A	2005-11-17
JP2006500089A	2006-01-05
JP2002541949A	2002-12-10

SANDRIN L. ET AL.: "Shear Modulus Imaging with 2-D Transient Elastgraphy", IEEE TRANSACTIONS ON ULTRASONICS, FERROELECTRICS, AND FREQUENCY CONTROL, vol. 49, no. 4, 2002, pages 426 - 435, XP011368258, DOI: doi:10.1109/58.996560

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