Surgery – Truss – Pad
Patent
1992-07-28
1993-11-02
Smith, Ruth S.
Surgery
Truss
Pad
12866109, 324312, A61B 5055, A61B 800
Patent
active
052576264
ABSTRACT:
Measures of a velocity component during a plurality of time frames of cyclical motion of a region of interest are obtained using contrast cine MRI techniques. Trajectories of the region of interest are calculated in a backward direction and in a forward direction. The trajectories are then combined to define a motion trajectory. The forward and backward trajectories are weighted prior to combining with the forward trajectory being more heavily weighted for early frames and the backward trajectory being more heavily weighted for late frames.
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N. J. Pelc, et al., "Phase Contrast Cine Magnetic Resonance Imaging," Magnetic Resonance Quarterly (1991) 7(4):229.
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N. J. Pelc, et al., "Encoding Strategies for Three-direction Phase-contrast MR Imaging of Flow," JMRI (Jul./Aug. 1991) 1(4):405.
V. J. Wedeen, et al., "Measurement of Myocardial Strain with Phase Sensitive MR," Proc. 9th Ann. Meeting of Soc. Mag. Res. in Med., Aug. 18-24, 1990.
Noll Douglas C.
Pauly John M.
Pelc Norbert J.
Board of Trustees of the Leland Stanford Junior University
Smith Ruth S.
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