Method for imaging vessel wall anatomy and strain
US6144199A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 18, 1997 |
| Grant date | Nov 7, 2000 |
| Priority date | — |
| Expiry date | Aug 18, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R33/485
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for depicting the anatomy and quantitative tissue strain of a biological tissue. A spatially resolved, double quantum filtered, nuclear magnetic resonance frequency spectrum is acquired from either .sup.1 H or .sup.2 H nuclei in the tissue. Values in the time domain or frequency domain representations of the free induction decay signal are mapped in 2 spatial dimensions so as to selectively depict histological layers of the tissue anatomy. The residual quadrupolar or dipolar splitting is calculated from the free induction decay signal, and then correlated with a tissue strain value by utilizing a known formula describing the correlation between residual quadrupolar or dipolar splitting and tissue strain. The tissue strain value is then mapped in two spatial dimensions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.