The Dual Dia Connecting Rod is designed to facilitate transitional constructs within posterior spinal fixation systems by accommodating two different rod diameters within a single continuous component. This configuration enables seamless integration between cervical and thoracolumbar segments or between systems utilizing varying rod profiles, without the need for additional connectors. The tapered transition zone ensures a gradual change in stiffness, optimizing load distribution across the junctional segment and reducing stress concentration at diameter interfaces.
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