The device is a specialized form of external fixator, a circular fixator, modular in construction. Stainless steel (or titanium) rings are fixed to the bone via stainless heavy-gauge wire (called pins or Kirschner wires). The rings are connected to each other with threaded rods attached through adjustable nuts.he Ilizarov external fixators can be used to correct angular deformity in the leg, to correct leg-length differences, and treat non-unions. In most developing countries it is a highly specialized technique used mainly for deformity correction by experienced surgeons due to its complexity.
Confidence votes 164. Killer whales live most of their life in the sunlight zone in the oceans, which near the surface. They have the ability travel further down into the twilight zone, although there isn't much reason to stay there as the food sources they use are much closer to the surface.
Whales are divided into two suborders â toothed and baleen whales â and each eats very different kinds of food. Toothed whales eat fish, squid, and other animals, while baleens eat plankton, krill, and other small creatures.rcas work tpgether to catch prey larger than themselves. Whale's eat a variety of foods, and their diets may have been impacted by humans. Humpbacks are one of the many whale species that feed on plankton. A blue whale can eat 8,000 pounds of food a day to store reserves for winter.