Electricity: measuring and testing – Particle precession resonance – Using a nuclear resonance spectrometer system
Patent
1995-06-02
1996-04-30
Tokar, Michael
Electricity: measuring and testing
Particle precession resonance
Using a nuclear resonance spectrometer system
324307, 1286532, G01R 3348
Patent
active
055128262
ABSTRACT:
An MR image of a subject is displayed on a display device. Scan-control icons are displayed over this image. An operator interacts with an interface device to select imaging plane parameters during imaging. This is performed by selecting one of the icons with a pointing device, and dragging. Interface device then provides a display which indicates the motion of the imaging plane as well as the extent of the motion. Once selected, the location and orientation information transformed to global coordinates and is provided to a pulse sequencer of a magnetic resonance (MR) imaging system. The pulse sequencer controls an RF transmitter and gradient amplifiers to cause an MR image of the subject at an imaging plane to be acquired. This allows fast, accurate imaging plane selection, which may be selected by an operator who is searching for structures within the subject, or who is simultaneously performing a medical procedure on the subject.
REFERENCES:
patent: 5038783 (1991-08-01), Dumoulin
patent: 5365927 (1994-11-01), Roemer et al.
patent: 5431161 (1995-07-01), Ryals et al.
U.S. patent application (concurrently filed case) "Scan Control Platform-Based Interactive Imaging Plane Prescription for MRI" by C. J. Hardy, R. D. Darrow (Atty. Docket No. RD-24232).
U.S. patent application "Oblique MR Image Controlled from a 3D Workstation Model" by H. E. Cline et al., Ser. No. 08/203,079, filed Feb. 28, 1994.
Darrow Robert D.
Hardy Christopher J.
General Electric Company
Snyder Marvin
Tokar Michael
Zale Lawrence P.
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