Clinical Research Directory

Inclusion Criteria: 1. Patient eligible to a posterior lumbar or thoraco-lumbar long-segment spinal fusion. 2. Surgery targeting at least 5 adjacent vertebra combined with one of the following procedure: 1. Intersomatic bone graft; 2. Pedicle substraction osteotomy; 3. Any other intervertebral osteotomy (e.g. Smith-Petersen osteotomy); 3. The use of a surgical drain inserted at the operative site is mandatory (suction drain and other drain are eligible); Exclusion Criteria: 1. Subject under the age of 18 years old; 2. Subject with a known haemostatic disorder; 3. Subject with any infection or any immune system disorder; 4. Subject not eligible to a posterior spinal surgery; 5. Subject with a known allergy or any contraindication to the use of the study device; 6. Currently pregnant or planning pregnancy; 7. Prisoner or a ward of the state; 8. Subject no willing to participate in the study; 9. Subject not affiliated to a social security insurance.