New head gradient coil design and construction techniques. Issue 5 (9th October 2013)

• Record Type: Journal Article
• Authors: Handler, William B.; Harris, Chad T.; Scholl, Timothy J.; Parker, Dennis L.; Goodrich, K. Craig; Dalrymple, Brian; Van, Frank; Chronik, Blaine A.
• Is Part Of: Journal of magnetic resonance imaging. Volume 39:Issue 5(2014)
• Page Start: 1088
• Page End: 1095
• Publication Date: 2013-10-09
• Subjects: Magnetic resonance imaging -- Periodicals; 616
• DOI: 10.1002/jmri.24254
• Languages: English
• ISSNs: 1053-1807

Abstract

<abstract abstract-type="main"> <title> <x xml:space="preserve">Abstract</x> </title> <sec id="jmri24254-sec-0001" sec-type="section"> <title>Purpose</title> <p>To design and build a head insert gradient coil to use in conjunction with body gradients for superior imaging.</p> </sec> <sec id="jmri24254-sec-0002" sec-type="section"> <title>Materials and Methods</title> <p>The use of the boundary element method to solve for a gradient coil wire pattern on an arbitrary surface allowed us to incorporate engineering changes into the electromagnetic design of a gradient coil directly. Improved wire pattern design was combined with robust manufacturing techniques and novel cooling methods.</p> </sec> <sec id="jmri24254-sec-0003" sec-type="section"> <title>Results</title> <p>The finished coil had an efficiency of 0.15 mT/m/A in all three axes and allowed the imaging region to extend across the entire head and upper part of the neck.</p> </sec> <sec id="jmri24254-sec-0004" sec-type="section"> <title>Conclusion</title> <p>The ability to adapt an electromagnetic design to necessary changes from an engineering perspective leads to superior coil performance. <bold>J. Magn. Reson. Imaging 2014;39:1088–1095</bold>. © <bold>2013 Wiley Periodicals, Inc</bold>.</p> </sec> </abstract>