Systems and methods for magnetic resonance imaging
US11977140B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 20, 2022 |
| Grant date | May 7, 2024 |
| Priority date | — |
| Expiry date | Jun 20, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R33/5617
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present disclosure provides a system for MRI. The system may obtain a plurality of echo signals relating to a subject that are excited by an MRI pulse sequence applied to the subject. The system may perform a quantitative measurement on the subject based on the plurality of echo signals. The MRI pulse sequence may include a CEST module configured to selectively excite exchangeable protons or exchangeable molecules in the subject, an RF excitation pulse applied after the CEST module configured to excite a plurality of gradient echoes, and one or more refocusing pulses applied after the RF excitation pulse. Each of the refocusing pulses may be configured to excite one or more spin echoes. The one or more spin echoes excited by at least one of the one or more refocusing pulses may include a symmetric spin echo and one or more asymmetric spin echoes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.