Method of changing position of bones
OwnerGary D Fleischerinventor
Life of this patent
Estimating the term…
Abstract
A pedicle screw system that includes a pedicle screw and a collar. The pedicle screw includes an insertion portion, a shaft portion that extends from the insertion portion, and a head portion that is attached to the shaft portion. The head portion has a diameter that is larger than the shaft portion. The collar includes a first aperture and a second aperture. The first aperture and the second aperture are both adapted to receive the head portion. The first aperture includes a first aperture section and a second aperture section. The first aperture section is larger than the head portion. The second aperture section is smaller than the head portion.
Claims13
A method of changing a position of a first bone with respect to a second bone, wherein the method comprises:
- providing an orthopedic implant system comprising a frame mechanism, a first cam body mounted with respect to the frame and a second cam body mounted with respect to the frame, wherein at least one of the first cam body and the second cam body has a non-circular profile;
- inserting at least a portion of the orthopedic implant system between the first bone and the second bone;
- rotating the first cam body with respect to the frame to move the first bone with respect to the second bone through contact of the first bone and the second bone by the first cam body;
- and
- rotating the second cam body with respect to the frame to move the first bone with respect to the second bone through contact of the first bone and the second bone by the second cam body.
Dependencies are inferred from the claim text.