NMR local coil for brain imaging

Details NMR local coil for brain imaging NMR local coil for brain imaging

1993-01-19

1994-12-13

Pfaffle, K. M.

Surgery

Truss

Pad

324309, 324318, A61B 5055, G01R 3348

Patent

active

053721373

ABSTRACT:
A local RF and gradient coil for acquiring images of the human brain using fast NMR pulse sequences includes an end capped RF bird cage coil surrounded by a 3 axis gradient coil assembly. An RF shield is disposed between the RF coil and the gradient coils and it is divided into separate segments to reduce eddy currents induced by the changing gradient fields.

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patent: 4992737 (1991-02-01), Schnur
patent: 5235279 (1993-08-01), Kaufman et al.
An Efficient, Highly Homogeneous Radiofrequency Coil for Whole-Body NMR Imaging at 1.5T, Jour. of Magnetic Resonance, 63, 622-628 (1985), Hayes et al.
High-Resolution, Short Echo Time MR Imaging of the Fingers and Wrist with a Local Gradient Coil.sup.1, Radiology, vol. 181, No. 2, Nov. 1992, Wong et al.
Coil Optimization for MRI by Conjugate Gradient Descent, Mag. Resonance in Medicine, 21, 39-48 (1991), Wong et al.

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