Patent ID: 9220537
Filing Date: 2015-12-29
Classification: A61B

Abstract:
1. A rod coupler assembly comprising: a rod coupler body having a first opening for receiving an elongated posted pedicle screw with a smooth shaft portion and a second opening for holding a connecting rod; a shaft holding coupling with a threaded end, the shaft holding coupling being positioned inside the first opening of the rod coupler body and extending therethrough to hold the smooth shaft portion of the elongated posted pedicle screw; a first locking nut for attachment to the threaded end of the shaft holding coupling; a washer; a second locking nut, the second locking nut threadingly engages a third opening in the rod coupler body intersecting the second opening, the second locking nut being a set screw fastener that locks the connecting rod in the second opening when tightened; and wherein the shaft holding coupling when tightened by the first locking nut is drawn into the first opening against the washer and the rod coupler body and tightens about the smooth shaft portion of the elongated posted pedicle screw fixing the pedicle screw to the rod coupler assembly.