Title:
MR法
Document Type and Number:
Japanese Patent JP3566787
Kind Code:
B2
Abstract:
The imaging system uses application of a HF simulation pulse in the presence of a stationary homogeneous magnetic field, with read out of the resulting magnetic resonance signals during application of a gradient magnetic field. The latter is varied so that the magnetic resonance signals are detected along at least one spiral (20,21) with the spiral turns lying closer together at the centre of the frequency range than in the remainder of the frequency range. The image is reconstructed from the data represented by the magnetic resonance signals.
Inventors:
Hermann Schomberg
Application Number:
JP19475495A
Publication Date:
September 15, 2004
Filing Date:
July 31, 1995
Export Citation:
Assignee:
Koninklijke Philips Electronics N.V.
International Classes:
G01R33/48; A61B5/055; G01R33/561; (IPC1-7): A61B5/055; G01R33/48
Domestic Patent References:
| JP63119745A |
Other References:
D.Spielman et al,Variable-Density Spirals for MR Fluoroscopy,Proceedings of the Society of Magnetic Resonance in Medicine, 12th Annual Scientific Meeting,米国,1993年,Vol.3,p.1261
C.H.Meyer et al,Spiral Fluoroscopy,Proceedings of the Society of Maginetic Resonance in Medicine, 12th Annual Meeting,米国,1993年,Vol.1,p.475
C.H.Meyer et al,Spiral Fluoroscopy,Proceedings of the Society of Maginetic Resonance in Medicine, 12th Annual Meeting,米国,1993年,Vol.1,p.475
Attorney, Agent or Firm:
Tadahiko Ito