Title:
４Ｄ ＭＲ画像データのフロー分析
Document Type and Number:
Japanese Patent JP6762658
Kind Code:
B2
Abstract:
A method for performing flow analysis in a target volume of a moving organ from sequences of a first and a second magnetic resonance volumetric image data sets of such organ, which data sets are timely separated by a certain time interval, wherein the first volumetric image data sets comprise structural information and three-directional velocity information of the target volume and the second volumetric image data sets comprises structural information of the target volume, the method comprising the following steps:
a) determining at least one feature of interest in at least one volume data set of the sequence of second volumetric image data sets;
b) tracking the feature of interest within one or more volume data sets of the sequence of the second volumetric data sets;
c) determining the spatial orientation over time of a plane containing the feature of interest in the sequence of the second volumetric data sets;
d) determining the spatial orientation over time of the plane containing the feature of interest in the sequence of the first volumetric data sets;
e) reformatting the three-directional velocity information into bi-directional velocity information on the plane as determined in step d);
f) performing bi-dimensional quantitative flow analysis using the bi-directional velocity information. A corresponding apparatus and computer program are also disclosed.
Inventors:
Contini, Enrico
Aben, Jean-Paul
Cohen, dennis
Rinalts, Riane
Aben, Jean-Paul
Cohen, dennis
Rinalts, Riane
Application Number:
JP2016086969A
Publication Date:
September 30, 2020
Filing Date:
April 25, 2016
Export Citation:
Assignee:
PIE MEDICAL IMAGING B.V.
International Classes:
A61B5/055
Domestic Patent References:
| JP2002140690A | ||||
| JP2003180654A | ||||
| JP2012217747A | ||||
| JP2006314778A | ||||
| JP2014518139A |
Foreign References:
| US20120076382 | ||||
| WO2014185521A1 | ||||
| WO2012153539A1 | ||||
| US20140121496 | ||||
| US20020095085 | ||||
| CN102631196A |
Other References:
Westenberg et al.,Mitral Valve and Tricuspid Valve Blood Flow: Accurate Quantification with 3D Velocity-encoded MR Imaging with Retrospective Valve Tracking,Radiology,米国,RSNA,2008年,Vol.249, No.3,792-800
Attorney, Agent or Firm:
Patent Business Corporation Daiichi International Patent Office
Masao Sawada
Kimura Mitsuru
Taiji Morikawa
Kei Sakurada
Mie Hideki
Masao Sawada
Kimura Mitsuru
Taiji Morikawa
Kei Sakurada
Mie Hideki