Patent ID: 8512407
Filing Date: 2013-08-20
Classification: A61B,A61F

Abstract:
1. An implant for insertion into a spinal space between a first vertebra and a second vertebra, the implant comprising: a first side component having a first end and a second end; a second side component having a first end and a second end; a first end plate having a first end, a second end, and a plurality of grips configured to engage the first vertebra; a second end plate having a first end, a second end, and a plurality of grips configured to engage the second vertebra; a first hinge component having a first end and a second end, wherein the first end of the first hinge component is pivotally connected to the first end of the first side component, wherein the second end of the first hinge component is pivotally connected to the first end of the first end plate; a second hinge component having a first end and a second end, wherein the first end of the second hinge component is pivotally connected to the first end of the second side component, wherein the second end of the second hinge component is pivotally connected to the second end of the first end plate; a third hinge component having a first end and a second end, wherein the first end of the third hinge component is pivotally connected to the second end of the first side component, wherein the second end of the third hinge component is pivotally connected to the first end of the second end plate; a fourth hinge component having a first end and a second end, wherein the first end of the fourth hinge component is pivotally connected to the second end of the second side component, wherein the second end of the fourth hinge component is pivotally connected to the second end of the second end plate; an expansion/contraction member extending through the second side component and coupled to the first side component, wherein the expansion/contraction member comprises a threaded shaft; wherein a first movement of the expansion/contraction member moves the first side component and second side component toward each other and moves the first end plate and the second end plate away from each other and toward an expanded position; wherein a second movement of the expansion/contraction member moves the first side component and second side component away from each other and moves the first end plate and the second end plate toward each other and toward an unexpanded position.