10. A spine implant adapted to be attached to another spine implant wherein the another spine implant includes a first member secured relative to a first portion of a vertebra and a second member secured relative to a second portion of the vertebra, the spine implant including: an elongated member with a first end and a second end, said first end adapted to be secured to the first member and the second end adapted to be secured to the second member; the elongated member including a platform and a first spring located between the platform and the first end and a second spring located between the platform and the second end; and a vertical rod assembly having a first rod end connected to the platform, and a second rod end configured for attachment to a second vertebra.
13. The spine implant of claim 10 wherein said first and second end are approximately round and said first spring is a leaf spring and said second spring is a leaf spring, and said first leaf spring and said second leaf spring have approximately flat sides.