An open-source shim generation workflow for permanent magnet MRI systems

Résumé fourni par la source

Motivation: One of the most challenging steps in constructing a low-field MRI scanner is shimming. At the present time, there are no general-purpose low-field shim generation tools. Goal(s): To develop a workflow to generate permanent magnet shims for low-field scanners. Approach: A modular, python-based workflow has been developed that can produce a set of CAD files for a shim design from a B0 map of the magnet to be shimmed and a CAD template file. Results: Two sites tested the shim generation part of the workflow, and one site was able to construct and measure the generated shim design. Impact: An open-source workflow was developed to streamline the design of permanent magnet shims for low-field permanent magnet scanners. This will make shimming, one of the most challenging parts of permanent magnet construction, easier and more accessible.

Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.