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Published January 2016 | public
Book Section - Chapter

In-vivo intravascular intervention with parylene micro-electrode to diagnose rupture-prone atherosclerotic plaque using electrical impedance spectroscopy

Abstract

It is of great clinical interest to have easy and reliable diagnostic techniques to localize and identify vulnerable plaques. Here, an in-vivo, catheter-integrated and balloon-mounted Parylene-C micro electrode impedance sensor was developed for intra-vascular interrogation of atherosclerotic vulnerable plaques using Electrical Impedance spectroscopy (EIS). Successful in vivo experiments of the EIS device were demonstrated using high-fat-dieted New Zealand rabbits. The results showed that electrical impedance spectroscopy (EIS) with micro parylene electrodes is promising to distinguish unstable plaques.

Additional Information

© 2016 IEEE. The author would like to thank all Caltech MEMS group members for their fruitful discussions and suggestions.

Additional details

Created:
August 20, 2023
Modified:
October 23, 2023