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.
There are different zones not levels. The Killer Whale/ Orca Whale lives in the Epipelagic Zone. Also, known as the Sunlight Zone.
The pelagic zone is the area of the ocean outside of coastal areas. This is also called the open ocean. The open ocean lies over and beyond the continental shelf. It's where youâll find some of the biggest marine life species. The sea floor (demersal zone) is not included in the pelagic zone. The word pelagic comes from the Greek word pelagos meaning sea or high sea. Different Zones Within the Pelagic Zone