| 摘要 |
A spinal rod coupler used for joining spinal rods in a parallel fashion. The coupler is adapted to join rods of different thicknesses or flexibilities while occupying a minimal amount of volume inside a patient. The coupler preferably has a V-shaped channel adapted to receive the spinal rods such that the spinal rods make a line contact with the V-shaped channel at two points in cross section. The coupler also has at least one blocker adapted to exert force against the spinal rod or rods in order to hold the spinal rod in the coupler.
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