Spinal disc annulus reconstruction method and deformable spinal disc annulus stent
First Claim
Patent Images
1. A method of repairing a defect in an intervertebral disc, comprising:
- providing an apparatus comprising at least an outer portion having a tissue anchor element, an inner portion, and an interconnecting portion, said interconnecting portion connecting the inner and outer portions to one another;
inserting the inner portion of the apparatus through the defect in the intervertebral disc so that said inner portion spans said defect within the intervertebral disc;
positioning the outer portion of the apparatus at least in part on an outer surface of the intervertebral disc, wherein said positioning comprises placing the tissue anchor element of the outer portion into intervertebral disc tissue;
adjusting the interconnecting portion so as to apply tension between the inner portion and the outer portion.
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Abstract
A spinal disc annulus repair stent for repair and reconstruction of the spinal disc wall (annulus) after surgical invasion or pathologic rupture, which may incorporate suture closure or other means of stent insertion and fixation, designed to reduce the failure rate of conventional surgical procedures on the spinal discs. In an illustrative embodiment, the design of the spinal disc annulus stent advantageously allows ingrowth of normal cells of healing in an enhanced fashion strengthening the normal reparative process.
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Citations
22 Claims
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1. A method of repairing a defect in an intervertebral disc, comprising:
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providing an apparatus comprising at least an outer portion having a tissue anchor element, an inner portion, and an interconnecting portion, said interconnecting portion connecting the inner and outer portions to one another; inserting the inner portion of the apparatus through the defect in the intervertebral disc so that said inner portion spans said defect within the intervertebral disc; positioning the outer portion of the apparatus at least in part on an outer surface of the intervertebral disc, wherein said positioning comprises placing the tissue anchor element of the outer portion into intervertebral disc tissue; adjusting the interconnecting portion so as to apply tension between the inner portion and the outer portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification