具有67×67×83µm3图像分辨率的便携式cmos MRI系统

ESSCIRC 2022- IEEE 48th European Solid State Circuits Conference (ESSCIRC) Pub Date : 2022-09-19 DOI:10.1109/ESSCIRC55480.2022.9911344

Daniel Krüger, Aoyang Zhang, Henry Hinton, V. M. Arnal, Yi-Qiao Song, Yiqiao Tang, Ka-Meng Lei, J. Anders, D. Ham

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引用次数: 3

摘要

本文介绍了迄今为止最小的便携式基于CMOS的磁共振成像(MRI)系统，该系统包括一个完全集成的数字辅助CMOS射频收发器IC和一个Bo≈0.51 T的永磁体，其对应的质子自旋频率为21.8 MHz。该系统体积小于鞋盒，重量小于10kg，成像体积为6x6x6mm3，图像分辨率为67x67x83µm3。除了MRI，该系统还可以执行多维核磁共振(NMR)弛豫测量和高分辨率核磁共振波谱，将所有最先进的核磁共振模式结合在一个单一的便携式设备中。

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A Portable CMOS-based MRI System with 67×67×83 µm3Image Resolution

This paper presents the smallest-ever, portable CMOS-based magnetic resonance imaging (MRI) system, comprising a fully-integrated and digitally-assisted CMOS RF transceiver IC and a permanent magnet with Bo ≈ 0.51 T with the corresponding f0for the 1H proton spins being 21.8 MHz. The system has a volume less than a shoebox, weighs less than 10kg, and provides an imaging volume of 6x6x6 mm3 with an image resolution of 67x67x83 µm3. In addition to MRI, the presented system can also perform multi-dimensional nuclear magnetic resonance (NMR) relaxometry and high-resolution NMR spectroscopy, combining all state-of-the-art NMR modalities in a single, portable device.

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ESSCIRC 2022- IEEE 48th European Solid State Circuits Conference (ESSCIRC)

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