System and method for spectrally-resolved three-dimensional magnetic resonance imaging without frequency-encoding gradients
US9360542B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 20, 2012 |
| Grant date | Jun 7, 2016 |
| Priority date | — |
| Expiry date | Sep 23, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R33/4826
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A system and method for acquiring spectrally-resolved three-dimensional data with a magnetic resonance imaging (“MRI”) system without frequency-encoding gradients are provided. An MRI system is directed to produce a radio frequency (“RF”) pulse that rotates net magnetization about an axis, after which a first phase-encoding gradient is established along a first direction, a second phase-encoding gradient is established along a second direction that is orthogonal to the first direction, and a third phase-encoding gradient is established along a third direction that is orthogonal to the first and second directions. Spectrally-resolved data are acquired at a point in k-space that is defined by the first, second, and third phase-encoding gradients, and is acquired by sampling a magnetic resonance signal at a plurality of time points during a period of time in which no magnetic field gradients are established by the MRI system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.