DEVICE: Valeo C Spacer System, Valeo II C IBF Device Amedica Corp. 510(k) NO: K142264(Traditional) ATTN: William D Jordan PHONE NO : 1 801 8393562 1885 West 2100 South SE DECISION MADE: 08-DEC-14 Salt Lake City UT 84119 510(k) SUMMARY AVAILABLE FROM FDA