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.
*the midnight zone can also be known as the Aphhotic Zone *almost 90% of the ocean is the midnight zone Why is it called the midnight zone? Plant Life *because of the absence of light and pure lack of light very few plants are unable to grow in this zone. *this makes all the animals predators Where is the midnight zone? *The midnight zone is located deep in the ocean, between 1,000-4,000 meters.