Title:
血管における圧縮波速度を測定する方法及び装置
Document Type and Number:
Japanese Patent JP4115039
Kind Code:
B2
Abstract:
An MRI system produces a series of image frames of a blood vessel using a cardiac gated, M-mode Fourier-velocity- encoding pulse sequence. The pulse-wave velocity of a velocity wave traversing the field of view of the image frames is determined by cross correlating (304) a selected reference image frame (300) with the other image frames (302) to locate the relative position of the velocity wave in each of those other image frames, and calculating (316) the propagation velocity of the velocity wave from its relative positions in those other image frames.
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Inventors:
Christopher Judgeson Hardy
Application Number:
JP10073899A
Publication Date:
July 09, 2008
Filing Date:
April 08, 1999
Export Citation:
Assignee:
GENERAL ELECTRIC COMPANY
International Classes:
A61B5/055; A61B5/0285; G01P5/00; G01R33/48
Domestic Patent References:
| JP6121782A | ||||
| JP7116143A | ||||
| JP7155304A |
Foreign References:
| EP0948929B1 | ||||
| US6141578 |
Attorney, Agent or Firm:
Kenichi Matsumoto