Magnetic resonance imaging method for moving object
US5115812A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 28, 1989 |
| Grant date | May 26, 1992 |
| Priority date | — |
| Expiry date | Nov 28, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R33/56563
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
To obtain a high quality image at a vascular area at high speed: (1) there is used a pulse sequence which includes a bipolar phase encoding magnetic field, dephases a stationary area, and does not generate the first order moment; (2) phase distortions are estimated from measured data and removed, without incorporating a new function for function fitting; and (3) the relationship between the application timing of a readout gradient magnetic field and the latest application time of the other slice selection and phase encoding magnetic fields is obtained using as its parameter the time T.sub.E from excitation to generation of an echo peak within a measurement signal, and using this relationship, the application timing T.sub.E is obtained which makes minimum the echo peak shift quantity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.