The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 14, 2021

Filed:

Sep. 17, 2019
Applicant:

Shanghai United Imaging Healthcare Co., Ltd., Shanghai, CN;

Inventor:

Zhenhua Shen, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 3/00 (2006.01); G01R 33/54 (2006.01); G16H 30/20 (2018.01); G01R 33/56 (2006.01); A61B 5/00 (2006.01); A61B 5/055 (2006.01);
U.S. Cl.
CPC ...
G01R 33/543 (2013.01); G01R 33/56 (2013.01); G16H 30/20 (2018.01); A61B 5/004 (2013.01); A61B 5/0042 (2013.01); A61B 5/0044 (2013.01); A61B 5/055 (2013.01);
Abstract

A method for MRI may include obtaining one or more scan parameters. The one or more scan parameters may include information of a plurality of diffusion gradients. The method may include causing, based on the one or more scan parameters, an imaging device to perform a plurality of scans to one or more slices of an object by applying the plurality of diffusion gradients to the one or more slices. For two components in a specific direction of the plurality of diffusion gradients applied in any two successive scans of the plurality of scans, there may be at most one component exceeding a first threshold. The specific direction may be one of a readout direction, a phase-encoding direction, or a slice-selection direction. The first threshold may be less than diffusion gradient energy relating to a duration and strength associated with one of the plurality of diffusion gradients.


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