Importance

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Abstract

A screw-clamp assembly is useful for connecting a pair of spine rods in a spinal fixation system. The screw-clamp assembly includes an upper half-clamp, a lower half-clamp, an anchor screw, and a nut for clamping the half-clamps together. The upper and lower half-clamps mate to define a pair of openings for receiving the spine rods. The anchor screw is placed through an aperture in the lower half-clamp, an aperture in the upper half-clamp, and is threaded into a nut. By tightening the nut, the half-clamps are drawn together to securely grip the spine rods. A pair of screw clamp assemblies are arranged with perpendicular openings to be combined with a transverse rod to form a transverse connector assembly for bridging a pair of generally parallel spine rods.

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First Claim