An Integrated CMOS Detector for MR Image Guided Interventions

Anders, J; SanGiorgio, P; Boero, G; Deligianni , X; Patil, S; Scheffler, K

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An Integrated CMOS Detector for MR Image Guided Interventions

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https://cds.ismrm.org/protected/10MProceedings/files/1_program.htm
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Anders, J., SanGiorgio, P., Boero, G., Deligianni, X., Patil, S., & Scheffler, K. (2010). An Integrated CMOS Detector for MR Image Guided Interventions. Poster presented at ISMRM-ESMRMB Joint Annual Meeting 2010, Stockholm, Sweden.

Cite as: https://hdl.handle.net/21.11116/0000-0002-A548-3

Abstract

In this work, standard CMOS technology is used to miniaturize highly integrated active tracking devices in MR image guided interventions. The presented microsystem contains a detection coil, a tuning capacitor, a low-noise amplifier, a downconversion mixer and a low-frequency gain stage on a single integrated circuit. Downconverting the NMR signal to a few kilohertz on chip significantly reduces losses in the cables and thereby facilitates the use of the system in small catheters. The feasibility of the approach is demonstrated with phantom experiments in a standard 1.5 T clinical scanner.