RecruitingDevice studyPost-Approval Study of the Neuspera Sacral Neuromodulation SystemProspective, multi-center, single-arm, post-approval study is designed to assess the long-term safety and efficacy data of the Neuspera Sacral Neuromodulation (SNM) System following commercial approval of the Neuspera SNM System. Participants in this study received intervention/implanted in Phase I or Phase II of the Neuspera SANS\_UUI (NSM-004) Study.