Single-use instruments could reduce the incidence of surgical site infections following lumbar fusion to acceptable levels as in hip and knee arthroplasties. The preservation of screws and rods in sterile packs until ready for insertion reduces their exposure to air-borne bacteria in the OR and eliminates their contamination through repetitive hospital sterilization. The short operation time and minimal blood loss achieved could also contribute to the reduction in infection risks ¹⁾.