US Patent 7819901 Device for securing spinal rods

A device for securing a spinal rod to a spine includes a head adapted to secure the spinal rod, and a locking cap adapted to engage the head and the spinal rod, the locking cap having an unlocked position, an intermediate position, and a locked position. A method of securing the spinal rod to the device includes aligning the spinal rod to a desired position relative to the spine with the locking cap in the unlocked position.