公开(公告)号：US09995813B2

公开(公告)日：2018-06-12

申请号：US14648081

申请日：2013-11-26

申请人： Dieter Klatt ,  Temel Kaya Yasar

发明人： Dieter Klatt ,  Temel Kaya Yasar

IPC分类号： G01V3/00 ,  G01R33/563 ,  A61B5/055 ,  G01R33/385

CPC分类号： G01R33/56358 ,  A61B5/055 ,  G01R33/385

摘要： The invention disclosed herein provides methods for implementing Sampling Interval Modulation Magnetic Resonance Elastography (“SLIM-MRE”), based on simultaneous encoding and acquisition of individual displacement components using motion encoding gradients with different time discretization intervals to MRI analysis. The components are modulated with different frequencies in the MR signal phase, which can be expressed as a harmonic function of the start time, or equivalently of initial phase, of the motion encoding gradient components. As a result, all displacement components can be acquired faster than in conventional MRE, and can be derived from the same temporally-resolved MR phase images. This also allows for simultaneously acquired 3D displacement data and storage of such data in the same k-space.

公开(公告)号：US20150309145A1

公开(公告)日：2015-10-29

申请号：US14648081

申请日：2013-11-26

申请人： Dieter KLATT ,  Temel Kaya YASAR

发明人： Dieter Klatt ,  Temel Kaya Yasar

IPC分类号： G01R33/563 ,  A61B5/055 ,  G01R33/385

CPC分类号： G01R33/56358 ,  A61B5/055 ,  G01R33/385

摘要： The invention disclosed herein provides methods for implementing Sampling Interval Modulation Magnetic Resonance Elastography (“SLIM-MRE”), based on simultaneous encoding and acquisition of individual displacement components using motion encoding gradients with different time discretization intervals to MRI analysis. The components are modulated with different frequencies in the MR signal phase, which can be expressed as a harmonic function of the start time, or equivalently of initial phase, of the motion encoding gradient components. As a result, all displacement components can be acquired faster than in conventional MRE, and can be derived from the same temporally-resolved MR phase images. This also allows for simultaneously acquired 3D displacement data and storage of such data in the same k-space.

摘要翻译： 本文公开的本发明提供了基于使用具有不同时间离散间隔到MRI分析的运动编码梯度来同时编码和获取单个位移分量的采样间隔调制磁共振弹性成像（“SLIM-MRE”）的方法。 在MR信号相位中以不同频率调制分量，其可以表示为运动编码梯度分量的起始时间或等效于初始相位的谐波函数。 结果，所有位移分量可以比常规MRE更快地获得，并且可以从相同的时间分辨的MR相位图像导出。 这也允许同时获取的3D位移数据和这样的数据在相同k空间中的存储。