Pilot Clinical Investigation Evaluating the Safety and Performance of RGn550 in Treating Sportspeople Suffering From Acute Concussion Syndrome

Inclusion Criteria: * Male or female aged at least 18 years old * Suffering from concussion syndrome resulting from a shock that occurred during sport practice less than 72h ago, as confirmed by neurological examination via the Head Injury Assessment - Form 3 (HIA3) tool * Affiliated to French social security * Who provided a dated and signed informed consent form. Non-inclusion Criteria: * Patient protected by a French legal measure ("sauvegarde de justice", "tutelle" or "curatelle") * Patient not able to express his/her consent * Patient deprived of liberty or hospitalized without consent * Woman who is pregnant or breastfeeding, or who plans to become pregnant or breastfeeding during the investigation, or who has the capacity to conceive but is not using a reliable contraceptive method as deemed by the investigator * Patient living in a medical facility * Patient who experienced a surgery at the treatment application area (head) within 3 months prior to inclusion * Patient with skin lesions on the treatment application area (head) * Patient with a short-term life-threatening pathology (e.g., evolving cancer; non-stable heart failure; severe hepatic, renal or respiratory failure, etc.) * Patient diagnosed with a heart attack within 3 months prior to inclusion * Patient implanted with ferromagnetic material * Patient implanted with a pacemaker * Patient with a risk of epileptic seizure or other non-degenerative central nervous system diseases * Patient with major physical…