Patent ID: 8915925
Filing Date: 2014-12-23
Classification: A61B

Abstract:
1. A method of displacing vertebral bodies, comprising: connecting a first end of a first shaft to a first pedicle screw mounted to a first vertebra of a spine, the first shaft having a second end opposite the first end; connecting a third end of a second shaft to a second pedicle screw mounted to a second vertebra of the spine, the second shaft having a fourth end opposite the third end; removably engaging a first member of a displacement device to a central portion of the first shaft intermediate the first and second ends of the first shaft; removably engaging a second member of the displacement device to a central portion of the second shaft intermediate the third and fourth ends of the second shaft; and actuating the displacement device to move the first and second members of the displacement device relative to one another, thereby imparting forces to the first and second shafts to displace the first and second vertebrae with respect to one another.