Title:
磁気共鳴装置
Document Type and Number:
Japanese Patent JP4509336
Kind Code:
B2
Abstract:
A magnetic resonance signal is acquired from a JHH-coupled <1>H within an object. After application of a wideband first radio-frequency magnetic pulse, a first frequency-selective radiation pulse is applied to a specific nucleus <1>H coupled to a desired nucleus <1>H through a homonuclear spin-spin coupling (JHH-coupling), thus multiple-quantum coherences between the nuclei <1>H being generated. A second radio-frequency magnetic pulse is then applied. A second frequency-selective radiation pulse is then applied to the specific nucleus <1>H to generate a single-quantum coherence of the desired nucleus <1>H. Thus, a magnetic resonance signal can be acquired from the desired nucleus <1>H. The acquisition of the signal is robust, adjustment in the phases of the radio-frequency magnetic pulses is not required, and an acquired spectrum is avoided from being visually complicated.
Inventors:
Hidehiro Watanabe
Application Number:
JP2000264185A
Publication Date:
July 21, 2010
Filing Date:
August 31, 2000
Export Citation:
Assignee:
Toshiba Corporation
International Classes:
A61B5/055; G01R33/48; G01R33/46
Domestic Patent References:
| JP3505692A | ||||
| JP4354932A | ||||
| JP8252230A |
Other References:
John R. Keltner, et al.,“In vivo detection of GABA in human brain using a localized double-quantum filter technique”,Magnetic Resonance in Medicine,1997年 3月,Volume 37 Issue 3 ,p366-p371
Attorney, Agent or Firm:
Hisashi Hatano
Shunguchi Sekiguchi
Shunguchi Sekiguchi