Inductively coupled dedicated RF coils for MRI

Details Inductively coupled dedicated RF coils for MRI Inductively coupled dedicated RF coils for MRI

1991-07-11

1996-12-10

O'Shea, Sandra L.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324322, 1286535, G01V 300, G01V 314, A61B 5055

Patent

active

055834388

ABSTRACT:
A primary tuned circuit and a secondary tuned circuit are inductively coupled. Primary and secondary inductors of the tuned circuits each exhibit a respective region of sufficiently uniform sensitivity for MRI studies. Both the primary and secondary inductors receive, in use, an MRI signal directly from a subject to be imaged.

REFERENCES:
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patent: 5003265 (1991-03-01), Leussler
patent: 5050605 (1991-09-01), Eydelman et al.
patent: 5243289 (1993-09-01), Blum et al.
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"Inductive (Flux Linkage) Coupling to Local Coils in Magnetic Resonance Imaging and Spectroscopy", Froncisz et al., Journal of Magnetic Resonance, vol. 66, pp. 135-143 (1986).
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"Optimization of Receiver Coil Bandwidth by Inductive Coupling", Darrasse, et al., Society of Magnetic Resonance in Medicine, Works in Progress, p. 1340 (1990).
"Optimized RF Coils for Low Field MRI", Leussler, et al., Society of Magnetic Resonance in Medicine, Book of Abstracts, vol. 2, p. 938 (1989).
"Estimation of the SNR Loss Due to Inductive Coupling Loops", Wright, Society of Magnetic Resonance in Medicine, Book of Abstracts, vol. 2, p. 955 (1989).

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