Brain Controlled Spinal Cord Stimulation in Participants With Cervical Spinal Cord Injury for Upper Limb Rehabilitation (UP2)

Must provide Informed Consent as documented by signature (Appendix Informed Consent Form), Must be at least 18 years old and no older than 75 years old at the time of enrolment, Must be suffering from non-progressive traumatic cervical spinal cord injury, Must be graded A, B, C, or D in the American Spinal Injury Association (ASIA) Impairment Scale (AIS) classification, Must have completed primary standard of care rehabilitation, Must be severely impaired in his upper limb function as determined by the investigator, Must have sustained the injury at least 6 months before signing the consent form, Must be able to understand and interact with the study team in French or English, Must agree to comply in good faith with all conditions of the study and to attend all scheduled appointments, Must use safe contraception for women of childbearing capacity, Must not be pregnant nor breast feeding, Must not have history of severe autonomic dysreflexia, Must not have brain damage, Must not have history of epilepsy, Must not have spinal stenosis, Must not have gastrointestinal ulcers in the last five years, Must not have any psychological disorder, Must not have the intention to become pregnant during the course of the study, Must not be known or suspected of drug or alcohol abuse, Must not have participated in another clinical study using drugs or medical devices within the 30 days preceding and during the present study, Must not have previously been injected with stem cells in the spinal cord, Must not be the investigator himself, his/her family members, employees or other dependent persons, Must not have any unstable or significant medical condition that is likely to interfere with study procedures or likely to confound study endpoint evaluations as determined by the Investigator, Must not have any hematological disorders with increased risk for surgical intervention, Must not require ventilator support, Must not suffer from spinal cord injury from other etiology than traumatic (ischemic, tumoral, autoimmune, etc), Must not be subject to spasms that limit the ability of the subject to participate in the study training as determined by the investigator, Must not display spinal stenosis or post traumatic damage at location of implantation, Must not require the use of an intrathecal baclofen pump, Must not be implanted with a device such as pacemakers or defibrillators, Must not have any indication that would require an MRI, Must not suffer from congenital nor acquired upper limb abnormalities (affection of joints or bones).