MIS MiLIF Versus Open

Exclusion Criteria

• •Patient has a known fracture in the lumbar spine
• •Patient has systemic infection or evidence of any surgical site infection (superficial or organ space)
• •Patient has compromised immune system or autoimmune disease (WBC\<4000 or \>20,000)
• •Patient has uncontrolled diabetes
• •Patient has a known malignancy
• •Prior lumbar fusion attempt; prior laminectomy and/or discectomy are allowed
• •Known medical or anatomical condition that would preclude a posterior lumbar fusion using metallic instrumentation (e.g., severe osteopenia)
• •Patient with a planned placement of an electric bone stimulator
• •Patient with a planned placement of indwelling epidural catheter for a long term pain management
• •Patient is pregnant or wishes to become pregnant during the length of the study participation
• •Patient is currently in litigation
• •Patient is not likely to comply with the follow-up evaluation schedule
• •Patient is participating in a clinical trial of another investigational drug or device.