Error-Tolerant RF Litz Coils for NMR/MRI

Journal of Magnetic Resonance

Volumn 140, Issue 1, 1999, Pages 17-31

  Doty, F David ^a   Entzminger Jr , George ^a   Hauck, Cory D ^a  

^a Doty Scientific Inc   (United States)

Author keywords

Birdcage; Double resonance; Litz coil; Multinuclear

Indexed keywords

ARTICLE; EQUIPMENT DESIGN; HISTOLOGY; HUMAN; IMAGE PROCESSING; INSTRUMENTATION; NUCLEAR MAGNETIC RESONANCE IMAGING; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; SPINE;

EQUIPMENT DESIGN; HUMANS; IMAGE PROCESSING, COMPUTER-ASSISTED; MAGNETIC RESONANCE IMAGING; MAGNETIC RESONANCE SPECTROSCOPY; SPINE;

EID: 0033185617     PISSN: 10907807     EISSN: None     Source Type: Journal    
DOI: 10.1006/jmre.1999.1828     Document Type: Article

References (24)

1. J. Tropp, The theory of the bird-cage resonator, J. Magn. Reson. 82, 51-62 (1989).
2. J. Tropp, The theory of an arbitrarily perturbed bird-cage resonator, and a simple method for restoring it to full symmetry, J. Magn. Reson. 95, 235-243 (1991).
3. J. T. Vaughan, H. P. Hetherington, J. O. Otu, J. W. Pan, and G. M. Pohost, High frequency volume coils for clinical NMR imaging and spectroscopy, Magn. Reson. Med. 32, 206-218 (1994).
4. J. S. Tropp, Method of correcting an asymmetry in an NMR radio frequency coil and an improved radio frequency coil having N-fold symmetry and reduced eddy current, U.S. Patent No. 5,196,797 (1993).
5. F. D. Doty, G. Entzminger, C. Hauck, and J. P. Staab, Practical aspects of birdcage coils, J. Magn. Resn. 138, 144-154 (1999).
6. O. Ocali and E. Atalar, Ultimate intrinsic signal-to-noise ratio in MRI, Magn. Reson. Med. 39, 462-473 (1998).
7. F. D. Doty, G. Entzminger, and Y. A. Yang, Magnetism in HR NMR probe design. I: General methods, Concepts Magn. Reson. 10, 133-156 (1998).
8. F. D. Doty, in "Optimization of MRI Gradient Coils in Spatially Resolved Magnetic Resonance," (P. Blumler, B. Blumich, R. E. Botto, and E. Fukushima, Eds.), Wiley-VCH, Weinheim (1998).
9. J. M. Jin and J. Chen, On the SAR and field inhomogeneity of birdcage coils loaded with the human head, Magn. Reson. Med. 38, 953-963 (1997).
10. L. F. Fuks and W. A. Anderson, Perturbation method for finding the RFfield on an NMR probe, Poster presented at ENC in Orlando, FL (1997).
11. D. W. Alderman and D. M. Grant, An efficient decoupler coil design which reduces heating in conductive samples in superconducting spectrometers, J. Magn. Reson. 36, 447-451 (1979).
12. G. J. Kost, S. E. Anderson, G. B. Matson, and C. B. Conboy, A cylindrical-window NMR probe with extended tuning range for studies of the developing heart, J. Magn. Reson. 82, 238-252 (1989).
13. J. R. Fitzsimmons, B. L. Beck, H. R. Brooker, Double resonant quadrature birdcage, Magn. Reson. Med. 30, 107-114 (1993).
14. A. Amari, A. M. Ulug, J. Bornemann, P. C. M. van Zijl, and P. B. Barker, Multiple tuning of birdcage resonators, Magn. Reson. Med. 37, 243-251 (1997).
15. P. B. Roemer, W. A. Edelstein, C. E. Hayes, S. P. Souza, and O. M. Mueller, The phased array, Magn. Reson. Med. 16, 192-225 (1990).
16. F. D. Doty, Low inductance transverse litz foil coils, Patents pending, PCT No. WO 97/26560 (1997).
17. F. D. Doty and G. Entzminger Jr., Center-fed paralleled saddle coils for multinuclear double-resonance NMR or MRI, Patent pending, PCT No. WO 97/33185 (1997).
18. F. D. Doty, Probe design and construction, in "Encyclopedia of NMR," Vol. 6, Wiley, New York (1996).
19. ARRL Radio Designer 1.5, formerly Compact Software Inc., Patterson NJ, recently acquired by Ansoft, Pittsburgh, PA.
20. Yoko Kanazawa, Pharmaceutical Sciences, Kyusha Univ., Fukuoka, Japan, private communication.
21. S. J. Blackband, J. D. Bui, D. L. Buckley, T. Zelles, H. D. Plant, B. A. Inglis, and M. I. Phillips, MR microscopy of perfused brain slices, Magn. Reson. Med. 38, 1012-1015; B. Inglis, L. Yang, D. Plant, E. Wirth, and T. Mareci, Diffusion tensor micro-imaging of excised human spinal cord. ISMRM-97, Poster No. 505, Vancouver.
22. S. J. Blackband, J. D. Bui, D. L. Buckley, T. Zelles, H. D. Plant, B. A. Inglis, and M. I. Phillips, MR microscopy of perfused brain slices, Magn. Reson. Med. 38, 1012-1015; B. Inglis, L. Yang, D. Plant, E. Wirth, and T. Mareci, Diffusion tensor micro-imaging of excised human spinal cord. ISMRM-97, Poster No. 505, Vancouver.
23. S. E. Hurlston, W. W. Brey, S. A. Suddarth, and G. A. Johnson, A high-temperature superconducting helmholtz probe for microscopy at 9.4 T, Magn. Reson. Med. 41, 1032-1038 (1999).
24. D. C. Alsop, T. J. Connick, G. Mizei, A spiral volume coil for improved RF field homogeneity at high static magnetic field strength, Magn. Reson. Med. 40, 49-54 (1998).