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Title:
MAGNETIC RESONANCE IMAGING DEVICE AND METHOD FOR ADJUSTING SAR
Document Type and Number:
WIPO Patent Application WO/2011/122430
Kind Code:
A1
Abstract:
Disclosed is a magnetic resonance imaging device and method for adjusting an SAR which enables the desired imaging to be performed within the SAR restrictions when the SAR has exceeded an upper limit, and without altering the pre-set imaging conditions. During imaging of a subject whereby a plurality of pulse sequences are combined, an SAR graph that indicates the change over time of a predicted SAR value of a pulse sequence is displayed and, if the predicted SAR value of the pulse sequence is the same as or exceeds an SAR upper limit, such pulse sequences are replaced or a wait time is inserted.

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Inventors:
KAWAMURA MIYUKI (JP)
ITO KOSUKE (JP)
NAGAO HISAKO (JP)
Application Number:
PCT/JP2011/057135
Publication Date:
October 06, 2011
Filing Date:
March 24, 2011
Export Citation:
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Assignee:
HITACHI MEDICAL CORP (JP)
KAWAMURA MIYUKI (JP)
ITO KOSUKE (JP)
NAGAO HISAKO (JP)
International Classes:
A61B5/055
Domestic Patent References:
WO2010001747A12010-01-07
Foreign References:
JP2005501624A2005-01-20
JP2007526783A2007-09-20
JP2003210433A2003-07-29
Other References:
C. LIN ET AL.: "Integration of Scan Time Reduction Techniques with Rearranged Elliptical Centric k-Space Acquisition for 3DTOF MRA at 3.0T", PROC. INTL. SOC. MAG. RESON. MED., vol. 14, May 2006 (2006-05-01), pages 809
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