Flap Protection. In basic terms, a flap is a portion of tissue that can be dissected, elevated, and inset into a nonanatomic position as a consequence of its vascular supply and outflow. The Revolution ExFx System can be used to hold bony structures at desired lengths and positions allowing for the transplant of the flap and left in place until the flap has integrated and/or removed at the surgeons discretion. Revolution also provides protection for peroneal brevis flap, sural artery flaps, free fibula grafts, delayed flaps, split thickness skin grafts and allograft applications. Allowing offloading for lateral ankle wounds, lateral leg wounds and anterior ankle wounds. Also providing clear view and easy access for vacuum assisted pump application and changes as well as further debridement’s and grafting’s.