Methods and apparatus for adjusting center magnetic field of a magnetic field generator for MRI

US6844801B2 · kind B2 · utility

Assignee

• GE Medical Systems Global Technology Company, LLC · US

Inventors

• Jinhua Huang · Florence, US
• Bu-Xin Xu · Florence, US
• Weijun Shen · Lincoln, US
• Ronald Floyd Lochner · Florence, US

Key dates

• Filing date: Apr 4, 2003
• Grant date: Jan 18, 2005
• Expiry date: Apr 4, 2023

Classification

• Technology area (CPC G): Physics
• CPC primary: G01R33/3873
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A product line of MRI systems includes a first MRI system including a first yoke and a plurality of magnet blocks forming a first central assembly disposed on the first yoke. The product line also includes a second MRI system including a second yoke, a plurality of magnet blocks forming a second central assembly disposed on the second yoke and shaped the same as the first central assembly, and a first set of magnet blocks mounted to the second yoke at a periphery of the second central assembly.