Method of anchoring an implant in an intervertebral disc
First Claim
1. A method of securing an implant within an intervertebral disc comprising the steps of:
- providing a biocompatible support member adapted for implantation within the intervertebral disc, wherein said annulus comprises a defect;
wherein the defect is bordered by an outermost layer of the annulus and an innermost layer of the the annulus;
providing at least one bone anchor;
implanting the biocompatible support member entirely beyond the defect and positioning said support member entirely against the innermost lamella of the annulus to close said defect;
positioning said at least one bone anchor in the defect;
anchoring the biocompatible support member with said at least one bone anchor to at least one of an upper or lower vertebra along an endplate.
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Accused Products
Abstract
Methods of securing an implant within an intervertebral disc are provided. In some embodiments, systems for minimally invasive disc augmentation include an anulus augmentation component and a nucleus augmentation component. Both are suited for minimally invasive deployment. The nucleus augmentation component restores disc height and/or replaces missing nucleus pulposus. The anulus augmentation component shields weakened regions of the anulus fibrosis and/or resists escape of natural nucleus pulposus and/or the nucleus augmentation component. Methods and deployment devices are also disclosed. Methods of closing a defect in an anulus fibrosus of an intervertebral disc using a barrier are also provided.
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Citations
20 Claims
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1. A method of securing an implant within an intervertebral disc comprising the steps of:
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providing a biocompatible support member adapted for implantation within the intervertebral disc, wherein said annulus comprises a defect;
wherein the defect is bordered by an outermost layer of the annulus and an innermost layer of the the annulus;providing at least one bone anchor; implanting the biocompatible support member entirely beyond the defect and positioning said support member entirely against the innermost lamella of the annulus to close said defect; positioning said at least one bone anchor in the defect; anchoring the biocompatible support member with said at least one bone anchor to at least one of an upper or lower vertebra along an endplate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification