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The Trustees of the University of Pennslyvania
| The Trustees of the University of Pennslyvania Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100264920 | SPIN LOCKED BALANCED STEADY-STATE FREE PRECESSION (SLSSFP) - A spin locked balanced steady-state free precession (slSSFP) pulse sequence combines a balanced gradient echo acquisition with an off-resonance spin lock pulse for fast MRI. The transient and steady-state magnetization trajectory is solved numerically using the Bloch equations and is shown to be similar to balanced steady-state free precession (bSSFP) for a range of T2/T1 and flip angles, although the slSSFP steady-state could be maintained with considerably lower RF power. In both simulations and brain scans performed at 7 T, slSSFP is shown to exhibit similar contrast and SNR efficiency to bSSFP, but with significantly lower power. | 10-21-2010 |