Category: Hindfoot. Midfoot/Forefoot Introduction/Purpose: Persistent nonunions with large bone defects continue to represent a challenging problem for foot and ankle surgeons. Vascularized corticocancellous grafts have been well described for various applications and represent a comprehensive solution to these difficult nonunion cases. We describe four cases of nonunions with concomi... https://www.foldlyers.shop/product-category/rotary-sets/