Home / Solutions / Spine / Lumbar Interbody Fusion / PILLAR PEEK Spacer System PILLAR PEEK Spacer System Instructions For Use PILLAR PEEK Spacer System PILLAR PEEK Spacer System IFU – AW-72-9902 Rev AF – March 2022 Previous Versions PILLAR PEEK Spacer System – Rev AB – Jan 2017 – AW-72-9902 PILLAR PEEK Spacer System – Rev AC – May 2017 – AW-72-9902 PILLAR PEEK Spacer System – Rev AD – Dec 2018 – AW-72-9902 PILLAR PEEK Spacer System – Rev AE – July 2020 – AW-72-9902