US 12,345,787 B2
Magnetic resonance imaging apparatus and control method thereof
Nobuyuki Yoshizawa, Chiba (JP); Yoshitaka Bito, Chiba (JP); and Takashi Nishihara, Chiba (JP)
Assigned to FUJIFILM Corporation, Tokyo (JP)
Filed by FUJIFILM Healthcare Corporation, Kashiwa (JP)
Filed on Apr. 24, 2023, as Appl. No. 18/138,210.
Claims priority of application No. 2022-073311 (JP), filed on Apr. 27, 2022.
Prior Publication US 2023/0349995 A1, Nov. 2, 2023
Int. Cl. G01R 33/54 (2006.01); G01R 33/56 (2006.01)
CPC G01R 33/546 (2013.01) [G01R 33/5601 (2013.01); G01R 33/5602 (2013.01); G01R 33/5607 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A magnetic resonance imaging apparatus comprising:
an imaging unit configured to apply a high-frequency magnetic field and a gradient magnetic field to a subject, collect a nuclear magnetic resonance signal generated from the subject, and generate an image of the subject, the imaging unit including a pulse sequence configured to acquire a T1 weighted image including a fat saturation pulse; and
a control unit configured to control the imaging unit, wherein
the control unit performs control in imaging to generate images of a plurality of phases having different arrival positions of a contrast agent by repeating the pulse sequence for a predetermined time from administration of the contrast agent to the subject by the imaging unit, and during the imaging and after elapse of the predetermined time, a preparation pulse configured to suppress a signal from the contrast agent present outside an arrival target tissue or cell of the contrast agent is added prior to the pulse sequence in a part of the plurality of phases.