Researchers working for the EU Project EXTEND developed semi-implantable devices and validated them in vitro and in vivo. These devices were designed to be used in acute human trials to demonstrate the Bidirectional Hyper-Connected Neural Systems paradigm: distributed networks of intramuscular wireless microsensors and microstimulators that communicate with external systems for analyzing neuromuscular activity and performing stimulation or controlling external devices. This work was carried out by University Pompeu Fabra (UPF), in collaboration with the Spanish National Research Council (CSIC) and Fraunhofer-Institut für Biomedizinische Technik (FhG-IBMT).

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Floating EMG sensors and stimulators wirelessly powered and operated by volume conduction for networked neuroprosthetics