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MR IMAGING PROVIDING TISSUE/BLOOD CONTRAST IMAGE
专利权人:
YOSHIMORI KASSAI
发明人:
YOSHIMORI KASSAI,Mitsue Miyazaki,Satoshi Sugiura
申请号:
US13283948
公开号:
US20120041299A1
申请日:
2011.10.28
申请国别(地区):
US
年份:
2012
代理人:
摘要:
A magnetic resonance imaging (MRI) system obtains an MR image of an object. The system detects an ECG signal and performs a pulse sequence of RF gradient magnetic fields toward the object. Imaging defined by the pulse sequence is longer in temporal length than one heartbeat. The system further acquires an MR signal from the object in response to performance of the pulse sequence and produces the MR image based on the acquired MR signal. Also possible are: a plurality of divided MT pulses instead of the conventional single MT pulse, an SE-system pulse sequence having a shorter echo train spacing, and the generation of sounds by applying gradient pulses incorporated in an imaging pulse sequence so as to automatically instruct a patient to perform an intermittent breath hold.
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