The present invention provides for a bone fixation device, illustrated as a spinal rod, for use in bone fixation surgeries. The bone spinal rod of the present invention is constructed and arranged to allow a surgeon to control proper placement while prohibiting the rod from passing out of a receiving component. In an illustrative embodiment, the spinal rod includes comprises a first end, a second opposing end, and a main body there between. At least one end contains a flange.