An intervertebral spacer device may include first and second plates, each having inner and outer surfaces thereof, the plates may be disposed in a spaced apart relationship such that the inner surfaces face toward one another, and the outer surfaces face away from one another, the first plate including...http://www.google.ca/patents/US20100268345?utm_source=gb-gplus-sharePatent US20100268345 - INTERVERTEBRAL SPACER DEVICE
