Amedica, Spinal Kinetics sign multi-year OEM agreement for silicon nitride spinal implants Amedica Corporation , a biomaterial firm that has developed silicon nitride ceramics while a material platform to manufacture and commercialize orthopedic implants, is pleased to announce that it offers entered right into a multi-year original equipment manufacturer contract with Spinal Kinetics, a leading innovator of advanced spinal implant technologies. Amedica shall aid Spinal Kinetics with their proprietary style, development, manufacture and supply of silicon nitride spinal implants nasty-male-problem.htm click here .