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.
Patent No.:
Date of Patent:
May. 29, 2018
Filed:
Jun. 23, 2014
Toshiba Medical Systems Corporation, Tochigi, JP;
Mitsue Miyazaki, Des Plaines, IL (US);
Xiangzhi Zhou, Vernon Hills, IL (US);
Yoshimori Kassai, Tochigi, JP;
TOSHIBA MEDICAL SYSTEMS CORPORATION, Otawara-Shi, Tochigi-Ken, JP;
Abstract
A magnetic resonance imaging (MRI) system, method and/or computer readable medium is configured reduce specific absorption rate (SAR) in Fast Advanced Spin Echo (FASE) or Single-shot Fast Spin Echo (SS-FSE) imaging used, for example, in non-contrast magnetic resonance angiography (NC-MRA) techniques like fresh blood imaging (FBI). Within RF pulse sequences used to acquire echo data, the refocusing flip angles may be varied in the phase encode direction, and/slice encode direction, such that the refocusing pulse (or pulses) that map echo signals to the k-space center region larger refocusing flip angles than refocusing pulses used to generate echo signals that map to other areas of k-space. In some instances, the TR interval also may be varied for RF pulse sequences such that central K-space have a longer TR than the slices further towards the ends.