A broken bone, being a living tissue has a tendency to heal itself. It is, however, required that the broken bone is withheld in the right position. Nails, Wires, Pins, Staples and other orthopaedic implants are used to hold the broken bone and fix it in the correct and appropriate position. Choice of fixation depends on the nature of the fracture and the kind of bone. Nails: Nails are the implants used in the fixation of fractures of long bones. These are metal rods, when inserted into the medullary canal, act as an immobilization device to hold the ends of the fractured bone. Different kinds of nails are designed to suit different requirements.