Facet screw and bone allograft intervertebral support and fusion system
First Claim
Patent Images
1. A method of providing support between two adjacent vertebrae, comprising:
- positioning a pair of allografts between the two adjacent vertebrae at a location towards the anterior portion of the adjacent vertebrae; and
securing together facet joints between the two adjacent vertebrae with a pair of facet screws, wherein said facet screws are positioned in at least one of a transfacet and translaminar approach.
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Abstract
An intervertebral support assembly, comprising a pair of bone allografts positioned between two adjacent vertebrae, the bone allografts being positioned towards the anterior portion of the adjacent vertebrae; and a pair of facet screws, each facet screw securing together a facet joint between the two adjacent vertebrae.
A method of providing support between two adjacent vertebrae, comprising positioning a pair of bone allografts between the two adjacent vertebrae at a location towards the front of the adjacent vertebrae; and securing together facet joints between the two adjacent vertebrae with a pair of facet screws.
575 Citations
24 Claims
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1. A method of providing support between two adjacent vertebrae, comprising:
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positioning a pair of allografts between the two adjacent vertebrae at a location towards the anterior portion of the adjacent vertebrae; and
securing together facet joints between the two adjacent vertebrae with a pair of facet screws, wherein said facet screws are positioned in at least one of a transfacet and translaminar approach. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
positioning autologous bone graft material posterolaterally behind the bone allografts.
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7. The method of claim 1, further comprising:
positioning autologous bone graft material positioned between and to the rear of the bone allografts.
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8. The method of claim 1, further comprising:
harvesting autologous bone graft material from an iliac crest.
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9. The method of claim 1, wherein each of the bone allografts are advanced into position between the two adjacent vertebrae through a percutaneous cannula.
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10. The method of claim 9, wherein the percutaneous cannula is disposed in a posterolateral approach.
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11. The method of claim 9, wherein the percutaneous cannula is positioned by a surgical guideframe.
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12. The method of claim 1, wherein each of the bone allografts are rotated by about 90°
- after insertion into the patient'"'"'s intervertebral space.
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13. The method of claim 1, wherein a first bone allograft is advanced into position between the two adjacent vertebrae through a first percutaneous cannula and the second bone allograft is advanced into position between the two adjacent vertebrae through a second percutaneous cannula.
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14. The method of claim 13, wherein the first and second percutaneous cannulae are disposed in opposite posterolateral approaches.
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15. The method of claim 1, wherein the facet screws are advanced into contact with the facet joints through a percutaneous cannula.
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16. The method of claim 15, wherein the percutaneous cannula is positioned by a surgical guideframe.
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17. A method of providing support between two adjacent vertebrae, comprising:
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positioning a pair of bone allografts between the two adjacent vertebrae at a location towards the anterior portion of the adjacent vertebrae and at an angle to one another; and
securing together facet joints between the two adjacent vertebrae with a pair of facet screws. - View Dependent Claims (18, 19)
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20. A method of providing support between two adjacent vertebrae, comprising:
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positioning a pair of bone allografts between the two adjacent vertebrae at a location towards the anterior portion of the adjacent vertebrae;
securing together facet joints between the two adjacent vertebrae with a pair of facet screws; and
positioning autologous bone graft material posterolaterally behind the bone allografts.
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21. A method of providing support between two adjacent vertebrae, comprising:
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positioning a pair of bone allografts between the two adjacent vertebrae at a location towards the anterior portion of the adjacent vertebrae;
securing together facet joints between the two adjacent vertebrae with a pair of facet screws; and
positioning autologous bone graft material positioned between and to the rear of the bone allografts.
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22. A method of providing support between two adjacent vertebrae, comprising:
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positioning a pair of bone allografts between the two adjacent vertebrae at a location towards the anterior portion of the adjacent vertebrae;
securing together facet joints between the two adjacent vertebrae with a pair of facet screws; and
harvesting autologous bone graft material from an iliac crest.
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23. A method of providing support between two adjacent vertebrae, comprising:
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positioning a pair of bone allografts between the two adjacent vertebrae at a location towards the anterior portion of the adjacent vertebrae, wherein a first bone allograft is advanced into position between the two adjacent vertebrae through a first percutaneous cannula and the second bone allograft is advanced into position between the two adjacent vertebrae through a second percutaneous cannula; and
securing together facet joints between the two adjacent vertebrae with a pair of facet screws. - View Dependent Claims (24)
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Specification