Surgery – Truss – Pad
Patent
1989-11-28
1992-05-26
Cohen, Lee S.
Surgery
Truss
Pad
324306, 324309, 1286533, A61B 5055
Patent
active
051158124
ABSTRACT:
To obtain a high quality image at a vascular area at high speed: (1) there is used a pulse sequence which includes a bipolar phase encoding magnetic field, dephases a stationary area, and does not generate the first order moment; (2) phase distortions are estimated from measured data and removed, without incorporating a new function for function fitting; and (3) the relationship between the application timing of a readout gradient magnetic field and the latest application time of the other slice selection and phase encoding magnetic fields is obtained using as its parameter the time T.sub.E from excitation to generation of an echo peak within a measurement signal, and using this relationship, the application timing T.sub.E is obtained which makes minimum the echo peak shift quantity.
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Koizumi Hideaki
Maeda Akira
Sano Koichi
Yokoyama Tetsuo
Cohen Lee S.
Hitachi , Ltd.
Pfaffle Krista M.
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