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Grégoire Courtine

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Publications associées (147)

System for selective spatiotemporal stimulation of the spinal cord

Silvestro Micera, Grégoire Courtine, Nikolaus Wenger, Marco Capogrosso, Jocelyne Bloch

The present disclosure refers to systems for electrical neurostimulation of a spinal cord of a subject in need of nervous system function support. In one example, a system comprises a signal processing device configured to receive signals from the subject ...

2017

Electronic Dura Mater Meddling in the Central Nervous System

Stéphanie Lacour, Grégoire Courtine, Jocelyne Bloch

IMPORTANCE A growing number of neurologic treatments rely on neural implants capable of delivering electrical and chemical stimulation to targeted regions of the central nervous system for extended periods. OBJECTIVE To assess the potential of a novel clas ...

Amer Medical Assoc2017

Apparatus to apply forces in a three-dimensional space

Grégoire Courtine, Joachim von Zitzewitz

The present invention relates to a robotic system useful to unload an object/person from its weight. The robotic system is useful in locomotor rehabilitation programs and allows the manipulation of forces in a three-dimensional space with far lower actuato ...

2017

Long-term usability and bio-integration of polyimide-based intraneural stimulating electrodes

Sophie Marie Marthe Wurth, Jérôme Gandar, Nawal Noëlle Kinany, Silvestro Micera, Grégoire Courtine, Stanisa Raspopovic, Quentin Barraud, Alessandra Piersigilli, Marco Capogrosso, Natalia Pavlova, Jacopo Rigosa, Polina Shkorbatova

Stimulation of peripheral nerves has transiently restored lost sensation and has the potential to alleviate motor deficits. However, incomplete characterization of the long-term usability and bio-integration of intra-neural implants has restricted their us ...

Elsevier Sci Ltd2017

Biodegradable scaffolds promote tissue remodeling and functional improvement in non-human primates with acute spinal cord injury

Grégoire Courtine, Isabel Laura Vollenweider

Tissue loss significantly reduces the potential for functional recovery after spinal cord injury. We previously showed that implantation of porous scaffolds composed of a biodegradable and biocompatible block copolymer of Poly-lactic-co-glycolic acid and P ...

2017

A Computational Framework for the Design of Spinal Neuroprostheses

Silvestro Micera, Grégoire Courtine, Marco Capogrosso, Jocelyne Bloch

Severe Spinal Cord Injury (SCI) alters the communication between supra-spinal centers and the sensorimotor networks coordinating limb movements, which are usually located below the injury. Epidural electrical stimulation of lumbar segments has shown the ab ...

Springer International Publishing Ag2017

A multidirectional gravity-assist algorithm that enhances locomotor control in patients with stroke or spinal cord injury

Auke Ijspeert, Grégoire Courtine, Selin Anil, Joachim von Zitzewitz, Rubia van den Brand, Marco Capogrosso, Jean-Baptiste Mignardot, Nicolas Francis Fumeaux, Jessica Lanini, Jocelyne Bloch

Gait recovery after neurological disorders requires remastering the interplay between body mechanics and gravitational forces. Despite the importance of gravity-dependent gait interactions and active participation for promoting this learning, these essenti ...

Amer Assoc Advancement Science2017

Synthetic skin for recording and modulating physiological activities

Stéphanie Lacour, Arthur Edouard Hirsch, Grégoire Courtine, Ivan Rusev Minev, Pavel Musienko

A method for producing a device adapted to be implanted into the human body for purposes such as neural stimulation, sensing or the like, and device produced according to said method, said method comprising: providing a stretchable layer or membrane (21) o ...

2016

Pharmacological stimulation to facilitate and restore standing and walking functions in spinal cord motor disorders

Grégoire Courtine, Quentin Barraud, Pavel Musienko

The invention relates to the selective targeting of specific α2 adrenergic receptor subtypes for facilitating and also restoring standing and walking in a subject affected by spinal cord disorders, in particular spinal cord injury. In particular, the impro ...

2016

Pdms-based stretchable multi-electrode and chemotrode array for epidural and subdural neuronal recording, electrical stimulation and drug delivery

Grégoire Courtine, Pavel Musienko

A hopper having a passage through which a medicine can be passed downward is provided. A part of a lower portion of the hopper is a deformable portion having flexibility, and the deformable portion is deformable so as to open and close the passage. Accordi ...

2016

A brain-spine interface alleviating gait deficits after spinal cord injury in primates

Tomislav Milekovic, Jérôme Gandar, Silvestro Micera, Grégoire Courtine, Quentin Barraud, Simone Ellen Joze Duis, Eduardo Martin Moraud, Marco Capogrosso, David Allenson Borton, Jean-Baptiste Mignardot, Fabien Bertrand Paul Wagner, Elodie Rey, Jocelyne Bloch

Spinal cord injury disrupts the communication between the brain and the spinal circuits that orchestrate movement. To bypass the lesion, brain-computer interfaces(1-3) have directly linked cortical activity to electrical stimulation of muscles, and have th ...

Nature Publishing Group2016

Apparatus and method for restoring voluntary control of locomotion in neuromotor impairments

Silvestro Micera, Grégoire Courtine, Joachim von Zitzewitz

It is disclosed an apparatus for restoring voluntary control of locomotion in a subject suffering from a neuromotor impairment comprising a multidirectional trunk support system and a device for epidural electrical stimulation. The robotic interface is cap ...

2016

Spatiotemporal neuromodulation therapies engaging muscle synergies improve motor control after spinal cord injury

Léonie Asboth, Jérôme Gandar, Stéphanie Lacour, Arthur Edouard Hirsch, Silvestro Micera, Grégoire Courtine, Nikolaus Wenger, Ivan Rusev Minev, Rubia van den Brand, Quentin Barraud, Simone Ellen Joze Duis, Eduardo Martin Moraud, Pavel Musienko, Marco Capogrosso, Natalia Pavlova, Julie Kreider, Laetitia Danielle Philippine Baud, Andrea Mortera, Jocelyne Bloch

Electrical neuromodulation of lumbar segments improves motor control after spinal cord injury in animal models and humans. However, the physiological principles underlying the effect of this intervention remain poorly understood, which has limited the ther ...

Nature Publishing Group2016

Materials and technologies for soft implantable neuroprostheses

Stéphanie Lacour, Grégoire Courtine

Implantable neuroprostheses are engineered systems designed to restore or substitute function for individuals with neurological deficits or disabilities. These systems involve at least one uni-or bidirectional interface between a living neural tissue and a ...

Nature Publishing Group2016

Influence of Spinal Cord Integrity on Gait Control in Human Spinal Cord Injury

Grégoire Courtine

Background. Clinical trials in spinal cord injury (SCI) primarily rely on simplified outcome metrics (ie, speed, distance) to obtain a global surrogate for the complex alterations of gait control. However, these assessments lack sufficient sensitivity to i ...

Sage Publications Inc2016

Engagement of the Rat Hindlimb Motor Cortex across Natural Locomotor Behaviors

Silvestro Micera, Grégoire Courtine, Janine Beauparlant, Lucia Florinda Friedli Wittler, Rubia van den Brand, Simone Ellen Joze Duis, Julie Kreider, Jacopo Rigosa

Contrary to cats and primates, cortical contribution to hindlimb locomotor movements is not critical in rats. However, the importance of the motor cortex to regain locomotion after neurological disorders in rats suggests that cortical engagement in hindlim ...

Soc Neuroscience2016

Rehabilitative Soft Exoskeleton for Rodents

Sophie Marie Marthe Wurth, Silvestro Micera, Jamie Paik, Grégoire Courtine, Joachim von Zitzewitz, Rubia van den Brand, Eduardo Martin Moraud, Laetitia Danielle Philippine Baud, Juan Manuel Florez Marin, Manan Kishore Shah

Robotic exoskeletons provide programmable, consistent and controllable active therapeutic assistance to patients with neurological disorders. Here we introduce a prototype and preliminary experimental evaluation of a rehabilitative gait exoskeleton that en ...

Institute of Electrical and Electronics Engineers2016

A neurorobotic platform for locomotor prosthetic development in rats and mice

Léonie Asboth, Grégoire Courtine, Joachim von Zitzewitz, Laetitia Danielle Philippine Baud, Nicolas Francis Fumeaux

Objectives. We aimed to develop a robotic interface capable of providing finely-tuned, multidirectional trunk assistance adjusted in real-time during unconstrained locomotion in rats and mice. Approach. We interfaced a large-scale robotic structure actuate ...

Institute of Physics2016

System to deliver adaptive epidural and/or subdural electrical spinal cord stimulation to facilitate and restore locomotion after a neuromotor impairment

Silvestro Micera, Grégoire Courtine, Nikolaus Wenger, Marco Bonizzato, Eduardo Martin Moraud

The present invention provides a closed-loop system for real-time control of epidural and/or subdural electrical stimulation comprising: means for applying to a subject neuromodulation with adjustable stimulation parameters, said means being operatively co ...

2016

Neuroprosthetic technologies to augment the impact of neurorehabilitation after spinal cord injury

Silvestro Micera, Grégoire Courtine, Joachim von Zitzewitz, Rubia van den Brand, Eduardo Martin Moraud, Marco Capogrosso, Jean-Baptiste Mignardot, Nicolas Francis Fumeaux, Fabien Bertrand Paul Wagner, Jocelyne Bloch

Spinal cord injury leads to a range of disabilities, including limitations in locomotor activity, that seriously diminish the patients’ autonomy and quality of life. Electrochemical neuromodulation therapies, robot-assisted rehabilitation and willpower-bas ...

2015

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