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mrSANE

Magnetic Resonance Shimming Applications with Near-magnet Equipment

Total Cost €

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EC-Contrib. €

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Partnership

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Project "mrSANE" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITAETSKLINIKUM FREIBURG 

Organization address
address: HUGSTETTER STRASSE 49
city: FREIBURG
postcode: 79106
website: n.a.

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Germany [DE]
 Total cost 149˙937 €
 EC max contribution 149˙937 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2016-PoC
 Funding Scheme ERC-POC
 Starting year 2017
 Duration (year-month-day) from 2017-10-01   to  2019-03-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITAETSKLINIKUM FREIBURG DE (FREIBURG) coordinator 149˙937.00

Map

 Project objective

Magnetic resonance (MR) imaging and spectroscopy critically relies on the homogeneity of the main field. Despite of the best technological efforts magnetic field in MR examinations cannot be made homogeneous due to the presence of the object of investigation – the human or an animal – in the magnet. Heterogeneous and unique distribution of tissues with their characteristic magnetic susceptibilities requires the process of field homogenization, termed shimming, to be performed on a subject-by-subject basis. Shimming subsystems of the clinical MRI devices often show insufficient, leading to sub-optimal image quality and even failing diagnosis. Furthermore, numerous emerging methods, while showing their great potential in research settings, require even better shim fidelity. We therefore identify improved shimming as a current unmet need in MRI. Add-on hardware for more reliable shimming will greatly aid MRI research especially in the field of ultra-high imaging, such as 7T and above. A wider availability of improved shimming capabilities in the clinical machines will accelerate the transition of a multitude of current promising scientific applications of MRI to the clinical practise, allowing for a more precise diagnosis and improved patient outcomes.

The current project will aid a wider spread of the emerging shimming techniques, not based on spherical harmonics. As these techniques require a higher number of electrically controlled driving channels, the project addresses the scalability problem of the current shim amplifier technology by bringing the equipment closer to the magnet and eliminating a substantial number of expensive and error-prone components. It is therefore to expect that the novel system topology will make future MRI devices cheaper and more reliable, reducing the production, citing and maintenance costs. Collaboration with a European power amplifier manufacturer will ensure market-driven developments and a rapid dissemination of the results.

 Publications

year authors and title journal last update
List of publications.
2018 Huijun Yu, Sebastian Littin, Feng Jia, Stefan Kroboth, Maxim Zaitsev
Output Filter Design for Gradient Amplifier and Shimming Amplifier of MRI: an Overview
published pages: , ISSN: , DOI:
4428 2019-11-07
2019 Stefan Kroboth1, Kelvin J. Layton2, Feng Jia1, Sebastian Littin1, Huijun Yu1, Jürgen Hennig1, and Maxim Zaitsev1 1Department of Radiology, Medical Physics, Medical Center University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany and 2Institute for Telecommunications Research, University of South Australia, Adelaide, Australia
Switching Circuit Optimization for Matrix Gradient Coils
published pages: , ISSN: 2379-1381, DOI: 10.18383/j.tom.2018.00056
Tomography 2019-11-07
2019 Huijun Yu, Sebastian Littin, Feng Jia, Stefan Kroboth, Maxim Zaitsev
Single H-bridge shimming driver
published pages: , ISSN: , DOI:
1469 2019-11-07
2019 Ali Sadr , Stefan Kroboth , Elmar Fischer , Feng Jia , Sebastian Littin , Huijun Yu , Jürgen Hennig , and Maxim Zaitsev
Encoding trajectory optimization based on the pixel variance using graphics processing units
published pages: , ISSN: , DOI:
4678 2019-11-07
2019 Feng Jia, Hatem Elshatlawy, Ali Aghaeifar, Sebastian Littin, Stefan Kroboth, Ying-Hua Chu, Yi-Cheng Hsu, Xiang Gao, Huijun Yu, Philipp Amrein, Wenchao Yang, Jiazheng Zhou, Pierre Levan, Klaus Scheffler, Maxim Zaitsev
Design of a shimming coil matched to the human brain anatomy
published pages: , ISSN: , DOI:
1475 2019-11-07

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