Patent Number: 6,294,915

Title: Interior alignment light for open magnet MRI

Abstract: A patient alignment device is disclosed for use in open magnet MRI having a movable patient table to move a patient within the open magnet MRI in order to position a desired patient scan area accurately within the field-of-view (FOV) of the open magnet MRI. A first alignment light is placed on the outer periphery of the upper magnetic structure of the open MRI to emit a light beam in longitudinal alignment with a center point of the FOV. A second alignment light is positioned to emit a second light beam downwardly from the upper magnetic structure to indicate an interior reference point of the FOV. The second alignment light is then used to reposition a patient within the open magnet MRI without having to withdraw the patient from the open magnet MRI.

Inventors: Murphy; Lawrence E. (Milwaukee, WI), Keen; Bobby Glenn (New Berlin, WI)

Assignee: General Electric Company

International Classification: A61B 5/055 (20060101); G01R 33/28 (20060101); G01V 003/00 ()

Expiration Date: 09/25/2018