Reduced-time variable rate excitation pulses for rapid MRI
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United States of America Patent
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May 16, 2006
Grant Date -
Mar 23, 2006
app pub date -
Sep 20, 2004
filing date -
Sep 20, 2004
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Abstract
A pulse sequence for use in steady state free precession (SSFP) imaging sequences includes a RF pulse and a time-varying gradient pulse based on a conventional design algorithm such as the Shinnar-LeRoux (SLR) pulse design algorithm and in which amplitude of the RF pulse and gradient pulse are increased while pulse time is decreased thereby reducing imaging time and improving slab profiles.
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