Title :
Implantable wireless microcoils for 7Tesla Magnetic Resonance Imaging of the rat brain: Optimization of the PDMS packaging
Author :
Couty, Magdalèna ; Rubin, Anne ; Woytasik, Marion ; Ginefri, Jean-Christophe ; Darrasse, Luc ; Boumezbeur, Fawzi ; Lethimonnier, Franck ; Tatoulian, Michael ; Dufour-Gergam, Elisabeth
Author_Institution :
Lab. IEF, Univ. Paris-Sud, Orsay, France
Abstract :
In this paper, we present the development of implantable microcoils specifically dedicated to 7Tesla MRI of the rat brain for the diagnosis and monitoring of tumors and neurodegenerative diseases. These coils are flexible and wireless, with an easy batch fabrication. We also present for the first time a study of the packaging effects on the characteristics of the coil, f0 and Q factor. The optimization of the packaging with PDMS allows us to realize the first in vivo image of the rat brain using an implanted flexible microantenna.
Keywords :
antennas; batch processing (industrial); biomedical MRI; brain; coils; diseases; electronics packaging; microfabrication; neurophysiology; PDMS packaging; Q factor; batch fabrication; implantable wireless microcoils; magnetic flux density 7 T; magnetic resonance imaging; neurodegenerative diseases; optimization; rat brain; tumors; Coils; Fabrication; In vivo; Magnetic resonance imaging; Packaging; Phantoms; Q factor; Implantable biomedical device; Magnetic resonance imaging; microstrip antenna arrays;
Conference_Titel :
Biomedical Wireless Technologies, Networks, and Sensing Systems (BioWireleSS), 2012 IEEE Topical Conference on
Conference_Location :
Santa Clara, CA
Print_ISBN :
978-1-4577-1135-0
DOI :
10.1109/BioWireless.2012.6172728
