Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Reexamination Certificate
2006-06-13
2006-06-13
Shrivastav, Btij B. (Department: 2859)
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
C324S322000
Reexamination Certificate
active
07061242
ABSTRACT:
To provide a diagnostic apparatus utilizing nuclear magnetic resonance suitable for interventional MRI which is not limited as to selection of an imaging section and an phase-encoding axis, the reception coil thereof includes three loop coils arranged so as to surround an object to be examined and to be within a plane including a line segment parallel to a static magnetic field direction, and two surface coils arranged in the vicinity of the surface of the object within a plane including a line segment perpendicular to the static magnetic field direction. In the reception coil, two or more sub-coils have nonuniform sensitivity profiles along an arbitrary axis. Therefore, the reception coil configured to have sensitivity throughout the imaging areas can be realized.
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Ra et al; Fast Imaging, Magnetic Resonance in Medicine vol. 8; pp142-145, 1993.
Ochi Hisaaki
Okajima Ken'ichi
Takahashi Tetsuhiko
Taniguchi Yo
Antonelli Terry Stout & Kraus LLP
Hitachi Medical Corporation
Shrivastav Btij B.
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