Observational, ambispective, longitudinal, comparative, open, multicentric study.

The main objective is to compare the performance of care in patients operated with and without DIVA®.

The primary endpoint is the reoperation for any cause (excluding trauma) on the lumbar spine.

Inclusion Criteria:

• Adult patient, having undergone surgery for a degenerative or traumatic mono-segmental lumbar disc herniation, without any other associated pathology, operated with or without a DIVA® implant;
• Patient operated for at least 12 months;
• Patient able to understand the information related to the study;
• Patient having indicated his/her non-opposition to the collection of his/her personal data.

Exclusion Criteria:

• History of pathologies, malformations or surgical interventions on the spine;
• Patient belonging to the first 30 operated by the surgeon with the DIVA® implant;
• Protected patient (under legal protection, or deprived of liberty by judicial or administrative decision);
• Patient not benefiting from a social security scheme.

All patients with the DIVA® device operated in the study centers for at least 12 months (with the exception of the first 30 operated by practitioner, to take into account the learning curve), as well as all patients operated on over a period similar before the installation of DIVA® in the establishment, will receive the information note of the study. if the patient agrees to participate to the study, patient's data will be collected on a case report form.