Receiver coil for nuclear magnetic resonance imaging apparatus

Details Receiver coil for nuclear magnetic resonance imaging apparatus Receiver coil for nuclear magnetic resonance imaging apparatus

1990-11-26

1993-02-09

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324322, G01R 3320

Patent

active

051855771

ABSTRACT:
A receiver coil for a nuclear magnetic resonance imaging apparatus, capable of fulfilling the condition for a satisfactory signal reception completely for the imaging of a region of interest that cannot be placed symmetrically with respect to the central axis of the receiver coil. The receiver coil includes coil element for defining an opening section into which a region of interest is to be inserted, and for receiving a nuclear magnetic resonance signal from the region of interest; and a coil support member for supporting the coil elements in a configuration in which a sensitivity central axis of a region of uniform signal reception sensitivity for the coil elements is located away from a central axis of the opening section. The coil elements are preferably supported in a configuration corresponding to a shape of the region of interest.

REFERENCES:
patent: 4692705 (1987-09-01), Hayes
patent: 4784146 (1988-11-01), Mancuso et al.
patent: 4920318 (1990-04-01), Misic et al.
Society of Magnetic Resonance in Medicine, Book of Abstracts, vol. 2, Aug. 1988/p. 845, N. Krause et al., "Quadrature-Headcoil and Helmholtz-Type Neckcoil-An Optimized RF Antenna-Pair for Imaging Head, Neck and C-Spine at 1.0 and 1.5T'".
Electro Medica, vol. 55, No. 2, 1987, pp. 61-67, H. Requardt et al., "Helmholtzspulen in der Kernspintomographie".
Magnetic Resonance in Medicine, vol. 3, No. 4, Aug. 1986, pp. 491-501, F. DeLuca et al., "Modified Crossed-Ellipse Radiofrequency Coil for MRI".
Society for Magnetic Resonance Imaging, 7th Meeting, Feb. 1989, p. 61, M. Mehdizadeh et al., "An Open Quadrature Coil for Imaging Sections of the Torso".

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