Implants and methods for posterior dynamic stabilization of a spinal motion segment
First Claim
Patent Images
1. A method for stabilizing a spinal motion segment, comprising:
- positioning a spacer member between adjacent upper and lower spinous processes of the spinal motion segment, the spacer member including an upper end contacting an inferior surface of the upper spinous process and a lower end contacting a superior surface of the lower spinous process;
positioning an upper engaging member extending from the upper end of the spacer member in contact with a superior surface of an upper lamina adjacent the upper spinous process; and
positioning a lower engaging member extending from the lower end of the spacer member in contact with an interiorly oriented surface adjacent the lower spinous process; and
resiliently stretching the upper engaging member before positioning the upper engaging member in contact with the superior surface of the upper lamina.
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Abstract
An implant assembly for stabilizing a spinal motion segment includes a spacer member positionable between adjacent spinous processes and upper and lower engaging members extending from the spacer member. The upper and lower engaging members engage at least one lamina to resist flexion of the spinal motion segment.
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Citations
4 Claims
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1. A method for stabilizing a spinal motion segment, comprising:
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positioning a spacer member between adjacent upper and lower spinous processes of the spinal motion segment, the spacer member including an upper end contacting an inferior surface of the upper spinous process and a lower end contacting a superior surface of the lower spinous process; positioning an upper engaging member extending from the upper end of the spacer member in contact with a superior surface of an upper lamina adjacent the upper spinous process; and positioning a lower engaging member extending from the lower end of the spacer member in contact with an interiorly oriented surface adjacent the lower spinous process; and resiliently stretching the upper engaging member before positioning the upper engaging member in contact with the superior surface of the upper lamina. - View Dependent Claims (2, 3, 4)
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Specification