81dcaec7cb9debedeb6b8ec2b025ba98 222930.pdf ef66684bf592a97e664296029458507dd3234e2f 222930.pdf 3a78e262559bda506824e4a658657c30a4e148ae165cdd6c1e71e89793e47d44 222930.pdf Title: Resonance-Based Microwave Technique for Body Implant Sensing Subject: There is an increasing need for safe and simple techniques for sensing devices and prostheses implanted inside the human body. Microwave wireless inspection may be an appropriate technique for it. The implanted device may have specific characteristics that allow to distinguish it from its environment. A new sensing technique based on the principle of differential resonance is proposed and its basic parameters are discussed. This technique allows to use the implant as a signal scattering device and to detect changes produced in the implant based on the corresponding change in its scattering signature. The technique is first tested with a canonic human phantom and then applied to a real in vivo clinical experiment to detect coronary stents implanted in swine animals. Keywords: microwave sensing; biosensing; object localization; implant; differential resonance; stent; non-ionizing; phantom; relative permittivity Author: Giselle González-López, Lluis Jofre, Susana Amorós García de Valdecasas, o. Rodríguez-Leor, C. Gálvez-Montón, A. 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