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金属耐性MR撮像基準スキャン
专利权人:
コーニンクレッカ フィリップス エヌ ヴェ
发明人:
ネルケ ケイ,ベルナート ペーター,デン ハルダー ヨハン ミハエル,ロザイン トーマス ヘンドリック
申请号:
JP2015533721
公开号:
JP6275148B2
申请日:
2013.09.11
申请国别(地区):
JP
年份:
2018
代理人:
摘要:
The invention relates to a method of parallel MR imaging, wherein a reference scan is performed by means of a stimulated echo sequence including i) at least two preparation RF pulses (a) radiated toward a portion of a body (10) during a preparation period (21), and ii) one or more reading RF pulses 03) radiated toward the portion of the body (10) during an acquisition period (22) temporally subsequent to the preparation period (21). One or more FID signals (I1) and one or more stimulated echo signals (I2) are acquired during the acquisition period (22). The spatial receive and/or&mdashif applicable&mdashtransmit4 sensitivity profiles of at least two RF coils (11, 12, 13) are derived from the acquired FID signals (I1) and/or from the acquired stimulated echo signals (I2). The parameters of the stimulated echo sequence are selected such that it is robust against susceptibility-induced artefacts. Moreover, 10 the invention relates to a MR device (1) and to a computer program for a MR device (1).
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