Study of the Braive Growth Modulation System for Progressive Pediatric Scoliosis

Inclusion Criteria: A subject must meet all of the following inclusion criteria to participate in this study: * Has a diagnosis of juvenile or adolescent idiopathic scoliosis * Is skeletally immature with a Sanders Score of ≥2 to ≤5 * Has failed conservative care as per investigator's assessment * Has a main thoracic Cobb angle between 30 and 60 degrees * Has a Lenke Classification of 1A, 1B, or 1C * Has kyphosis ≤ 40 degrees with a sagittal thoracic modifier N or negative * Informed Consent Form/Assent and Authorization to Use and Disclose Health Information (if applicable) have been signed by Parent/legal guardian and/or patient/participant per local requirement. Exclusion Criteria: A subject will be excluded from participating in this study for any of the following reasons: * Has undergone previous spinal fusion procedure(s) at the affected levels * Is pregnant or plans to become pregnant within the first 24-months of the study * Has a curve that requires instrumentation below L1 * Has spinal MRI abnormalities (e.g., CHIARI malformation, Syrinx greater than 4mm, tethered cord) * Has any type of non-idiopathic scoliosis * Has a left-sided curve * Has an associated syndrome * Has a history of malignant hyperthermia * Has an active or significant risk of infection (immunocompromised) * Has inadequate tissue coverage over the operative site as per investigator's assessment * Has a suspected or documented allergy or intolerance to implant materials * Has a major psychiatri…