Concept

Neuroprosthetics

Publications associées (390)

Two-phase calibration of a neuroprosthetic system

Grégoire Courtine, Eduardo Martin Moraud, Tomislav Milekovic, Marco Capogrosso, Fabien Bertrand Paul Wagner, Jérôme Gandar

Methods and systems are provided for triggering electrical stimulation of a spinal cord during execution of a motor event. In one example, a method comprises monitoring motor cortex activity while execution of a desired motor movement is attempted during a ...

2018

Design and validation of a foldable and photovoltaic wide-field epiretinal prosthesis

Diego Ghezzi, Kevin Sivula, Samuel Charles Antoine Gilliéron, Marta Jole Ildelfonsa Airaghi Leccardi, Laura Ferlauto, Paola Vagni, Naïg Aurelia Ludmilla Chenais, Michele Bevilacqua

Retinal prostheses have been developed to fight blindness in people affected by outer retinal layer dystrophies. To date, few hundred patients have received a retinal implant. Inspired by intraocular lenses, we have designed a foldable and photovoltaic wid ...

2018

Upper stimulation threshold for retinal ganglion cell activation

Diego Ghezzi

Objective. The existence of an upper threshold in electrically stimulated retinal ganglion cells (RGCs) is of interest because of its relevance to the development of visual prosthetic devices, which are designed to restore partial sight to blind patients. ...

2018

Comparison of linear frequency and amplitude modulation for intraneural sensory feedback in bidirectional hand prostheses

Silvestro Micera, Stanisa Raspopovic, Francesco Maria Petrini, Ivo Strauss, Giacomo Valle, Francesco Iberite, Edoardo D'Anna

Recent studies have shown that direct nerve stimulation can be used to provide sensory feedback to hand amputees. The intensity of the elicited sensations can be modulated using the amplitude or frequency of the injected stimuli. However, a comprehensive c ...

NATURE PUBLISHING GROUP2018

Adaptive Learning-Based Compressive Sampling for Low-power Wireless Implants

Volkan Cevher, Catherine Dehollain, Mahsa Shoaran, Cosimo Aprile, Yusuf Leblebici, Luca Baldassarre, Kerim Türe, Gürkan Yilmaz, Franco Maloberti

Implantable systems are nowadays being used to interface the human brain with external devices, in order to understand and potentially treat neurological disorders. The most predominant design constraints are the system’s area and power. In this paper, we ...

2018

A sensory information compliant spinal cord stimulation system for the rehabilitation of motor functions

Silvestro Micera, Grégoire Courtine, Marco Capogrosso, Emanuele Formento, Karen Minassian

The present invention refers to a system for stimulation of the spinal cord for the rehabilitation of motor function in subjects with spinal cord injury or other motor disorders. Said system comprises a programmable implantable pulse generator (IPG), opera ...

2018

Closed-Loop Functional Electrical Stimulation for Gait Training for Patients with Paraplegia

Mohamed Bouri, Solaiman Shokur

This paper presents a novel functional electrical stimulation paradigm to generate locomotion in paraplegic patients. We propose a closed-loop surface functional electrical stimulation (sFES) of 16 lower-limb muscles to produce all subphases of the gait. T ...

IEEE2018

A somatotopic bidirectional hand prosthesis with transcutaneous electrical nerve stimulation based sensory feedback

Silvestro Micera, Stanisa Raspopovic, Fiorenzo Artoni, Francesco Maria Petrini

According to amputees, sensory feedback is amongst the most important features lacking from commercial prostheses. Although restoration of touch by means of implantable neural interfaces has been achieved, these approaches require surgical interventions, a ...

2017

Brain-Controlled Neuroprosthetic Therapies And Mechanisms Of Recovery After Spinal Cord Injury

Galyna Pidpruzhnykova

Spinal cord injury (SCI) is the second leading cause of paralysis, which induces abrupt impairments with devastating consequences for the quality of life of patients. Despite significant progress in SCI treatment through neurorehabilitation training and sp ...

EPFL2017

Multi-modality Sensory Feedback: a pilot study

Huaiqi Huang

The aim of this study is to test the hypotheses that a multi-modality sensory feedback device, incorporating mechanotactile and vibrotactile feedback can increase the subjects’ performance in localization and intensity discrimination.To the best of our kno ...

2017

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