Endoscopically compatible MR-safe magneto-inductive imaging catheter

R R A Syms,I R Young,Munir Ahmad,Simon D Taylorrobinson,Marc Rea

Advanced Electromagnetic Materials in Microwaves and Optics（2013）

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摘要

Endoscopic compatibility of a catheter-based RF receiver for magnetic resonance imaging (MRI) is demonstrated. The receiver is based on a self-terminating magneto-inductive waveguide, constructed as a thin-film circuit and attached to a catheter scaffold using heat-shrink tubing. Segmentation and the use of twisted, figure-of-eight-shaped elements provide intrinsic protection against transmitter B1 and E fields, respectively. 1H MRI and simulated magnetic resonance cholangiopancreatography are demonstrated in a 1.5 T magnetic field.

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关键词

biological organs,biomedical mri,biomedical electronics,catheters,endoscopes,thin film circuits,1h mri,e fields,catheter scaffold,catheter-based rf receiver,endoscopically compatible magnetic resonance-safe magneto-inductive imaging catheter,heat-shrink tubing,magnetic flux density 1.5 t,magnetic resonance imaging,segmentation,self-terminating magneto-inductive waveguide,simulated magnetic resonance cholangiopancreatography,thin-film circuit,transmitter b1,twisted figure-of-eight-shaped elements

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