05307808 is referenced by 145 patents and cites 18 patents.

A tracking system employs magnetic resonance signals to monitor the position of a device such as a catheter within a subject. The device has a receiver coil which is sensitive to magnetic resonance signals generated in the subject. These signals are detected in the presence of magnetic field gradients and thus have frequencies which are substantially proportional to the location of the coil along the direction of the applied gradient. Signals are detected responsive to sequentially applied mutually orthogonal magnetic gradients to determine the position of the device in several dimensions. The position of the device as determined by the tracking system is superimposed upon independently acquired medical diagnostic images.

Title
Tracking system and pulse sequences to monitor the position of a device using magnetic resonance
Application Number
7/861718
Publication Number
5307808
Application Date
April 1, 1992
Publication Date
May 3, 1994
Inventor
Robert D Darrow
Scotia
NY, US
Steven P Souza
Williamstown
MA, US
Charles L Dumoulin
Ballston Lake
NY, US
Agent
Marvin Snyder
Lawrence P Zale
Assignee
General Electric Company
NY, US
IPC
A61B 5/055
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