RecruitingDevice studyARC-IM Therapy To Support and Promote Recovery of Ambulatory Functions in People With Subacute and Chronic Spinal Cord InjuryThe EIGER study aims to evaluate the safety and preliminary efficacy of ARC-IM Therapy (Epidural Electrical Stimulation) to support and promote recovery of ambulatory functions, such as walking, in people with subacute and chronic spinal cord injury.