Systems and methods for pedicle screw-based spine stabilization using flexible bands
AssigneeAbbott Spine
InventorsAbhijeet Joshi, Wayne P. Gray, JR.
Life of this patent
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Abstract
Embodiments of the disclosure provide a spinal stabilization rod useful for connecting a set of bone fasteners that can anchor a spinal stabilization system onto vertebral bodies. The spinal stabilization rod comprises rigid sections for coupling with bone fastener assemblies engaged in vertebrae and a flexible band for coupling the rigid sections. A bumper may be disposed around the rod to encase the flexible band. The spinal stabilization system may include a dampener.
Claims20
A rod for stabilizing a portion of a spine, comprising:
- a first rigid section having a first selected end;
- a second rigid section having a second selected end;
- and
- a flexible band for joining the first rigid section to the second rigid section,
- wherein each of the first rigid section and the second rigid section has a cylindrical body for insertion into a bone fastener assembly;
- wherein the flexible band limits the separation distance between the first rigid section and the second rigid section when the first rigid section and second rigid section are securely coupled to bone fastener assemblies engaged with vertebrae, and
- wherein contact between the first rigid section and the second rigid section limits the motion of the first rigid section relative to the second rigid section.
A system for stabilizing a portion of the spine, comprising:
- a first bone fastener assembly coupled to a first vertebra;
- a second bone fastener assembly coupled to a second vertebra;
- and
- a rod for coupling the first bone fastener assembly to the second bone fastener assembly, the rod comprising:
- a first rigid section having a first selected end;
- a second rigid section having a second selected end;
- and
- a flexible band for joining the first rigid section to the second rigid section,
- wherein each of the first rigid section and the second rigid section has a cylindrical body for insertion into a bone fastener assembly;
- wherein the flexible band limits the separation distance between the first rigid section and the second rigid section when the first rigid section and second rigid section are securely coupled to bone fastener assemblies engaged with vertebrae, and
- wherein contact between the first rigid section and the second rigid section limits the motion of the first rigid section relative to the second rigid section.
A method of stabilizing a portion of the spine, comprising:
- coupling a first bone fastener assembly to a first vertebra;
- coupling a second bone fastener assembly to a second vertebra;
- coupling a rod to the first bone fastener assembly and to the second bone fastener assembly, wherein the rod comprises:
- a first rigid section having a first selected end;
- and
- a second rigid section having a second selected end;
- joining the first rigid section to the second rigid section with a flexible band,
- wherein each of the first rigid section and the second rigid section has a cylindrical body for insertion into a bone fastener assembly;
- wherein the flexible band limits the separation distance between the first rigid section and the second rigid section when the first rigid section and second rigid section are securely coupled to bone fastener assemblies engaged with vertebrae, and
- wherein contact between the first rigid section and the second rigid section limits the motion of the first rigid section relative to the second rigid section.
Dependencies are inferred from the claim text.