An open magnetic structure comprising a conical magnetic structure that generates an NMR imaging field around the head of a patient, and a transition magnetic structure including a cylindrical magnet connected to the conical magnetic structures that extends the uniform field generated in the head magnet cavity to or near the shoulders of the patient. The overall geometry is designed to integrate the magnetic structure in a surgical suite with a minimum interference with surgical procedures, which typically involve surgery on the brain of the patient. A method for improving field uniformity by shimming is also included. Advantages include improved field uniformity, and reduced weight and size.

 
Web www.patentalert.com

< Rare gas polarizer apparatus and magnetic resonance imaging system

< Controlled substance detection and identification system

> Method for the presentation of projection images or tomograms from 3D volume data of an examination volume

> Electrode substrate and production method thereof

~ 00219