RECEIVE COIL ARRAY FOR MAGNETIC PARTICLE IMAGING

被引：0

作者：

Knopp, Tobias ^{[1
]}

Sattel, Timo F. ^{[1
]}

Biederer, Sven ^{[1
]}

Weizenecker, Juergen ^{[2
,3
]}

Gleich, Bernhard ^{[2
]}

Borgert, Joern ^{[2
]}

Buzug, Thorsten M. ^{[1
]}

机构：

[1] Med Univ Lubeck, Inst Med Engn, D-23538 Lubeck, Germany

[2] Philips Technologie GmbH, Forschungslab, Hamburg, Germany

[3] Univ Appl Sci Karlsruhe, Karlsruhe, Germany

来源：

2011 8TH IEEE INTERNATIONAL SYMPOSIUM ON BIOMEDICAL IMAGING: FROM NANO TO MACRO | 2011年

关键词：

magnetic particle imaging; receive coil array; parallel imaging; patient noise model; SENSITIVITY;

D O I：

暂无

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Magnetic particle imaging (MPI) is a quantitative method for determining the spatial distribution of superparamagnetic nanoparticles in-vivo. It applies various static and dynamic magnetic fields resulting in a spatially dependent particle magnetization characteristic, which can be recorded using receive coils. For spatial encoding, different field topologies were developed, which use either a point-based or a line-based acquisition scheme. The receive coil topology was, however, not changed since the first introduction of MPI in 2005. Therefore, the aim of this work is to investigate in a simulation study the role of the receive coils in MPI. Analogue to parallel imaging in magnetic resonance imaging, multiple receive coils are used and it is exploited, whether this allows to shorten the data acquisition time. In order to perform a realistic simulation study, a new method for modeling patient noise in MPI is proposed, which can be used even for non-orthogonal receive coils.

引用

页码：1666 / 1669

页数：4

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