Systems and methods for achieving a recovery of spins of nuclei
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United States of America Patent
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Aug 3, 2004
Grant Date -
Jan 16, 2003
app pub date -
Jul 9, 2002
filing date -
Jul 10, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention aims at making it possible to successfully achieve fast recovery during magnetic resonance imaging in which the fast spin echo technique combined with the inversion recovery technique is implemented. A 180.degree. x pulse is applied in order to excite spins. Thereafter, when an inversion time TI has elapsed, a 90.degree. x pulse is applied in order to excite the spins. Thereafter, when a half of a time esp has elapsed, a 180.degree. y pulse is applied in order to excite the spins. Thereafter, when the time esp has elapsed, the 180.degree. y pulse is applied an odd number of times in order to sequentially excite the spins. Thereafter, when a half of the time esp has elapsed, the 90.degree. x pulse is applied in order to excite the spins.
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