Being confronted more and more with obese as well as older patients, minimally invasive surgery is said to keep the surgical trauma low. The prospective long-term evaluation is the continuous monitoring of patients undergoing lumbar minimally invasive fusion surgery and analyzing the effect of body mass index (BMI) and wound healing.

• All patients who will undergo minimally access surgical technique for degenerative lumbar disease fusion surger
• Patient willing to participate in observational study and who signs patient information and patient consent form
• patient older that 18 years
• all products will be used within intended use

All patients who will undergo minimal access surgical technige for degenerative lumbar disease fusion