Pedicle screw stabilization systems and instruments
AssigneeGlobus Medical, Inc.
InventorsDavid Leff, Caelan Allen, Matthew Bechtel, George Yacoub
Life of this patent
Estimating the term…
Abstract
Orthopedic fixation devices, assemblies, instruments, and methods relating to the same. The orthopedic fixation device may include a tulip head with one or more internal components configured to secure a bone fastener, such as a saddle, retaining clip, and friction ring. A spinal rod may be secured in the tulip head, for example, with a locking cap, thereby securing the bone fastener. One or more instruments, such as screwdrivers and correction instruments may be used for reduction, derotation, compression and/or distraction.
Claims12
A method of installing an orthopedic fixation device, the method comprising:
- inserting the shaft of a bone fastener of an implant into a bone;
- positioning a spinal rod between two arms defining a rod slot of a tulip head of the implant;
- and
- threading a locking cap downwardly between the two arms of the tulip head, wherein the spinal rod presses against a rod seat of a saddle of the tulip head, and the saddle presses against a screw head of the bone fastener, thereby locking the rod and bone fastener.
Dependencies are inferred from the claim text.