Patch for covering a defect in the annulus fibrosus of an intervertebral disc, and in particular also in the posterior longitudinal ligament, of a spine
AssigneeDiscoseal BV
InventorChristos CHOLEVAS
Life of this patent
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Abstract
The present invention refers to a patch for covering a defect in the annulus fibrosus of an intervertebral disc, and in particular also in the posterior longitudinal ligament, of a spine. A further aspect of the present invention refers to a surgical kit, including such a patch and at least one fastening element for fastening the patch body to the spine.
Claims16
A patch for covering a defect in the annulus fibrosus of an intervertebral disc, and in particular also in the posterior longitudinal ligament, of a spine, comprising a patch body that is formed as a sheet, wherein the patch body is formed as a mesh made of non-woven fibres.
A patch for covering a defect in the annulus fibrosus of an intervertebral disc, and in particular also in the posterior longitudinal ligament, of a spine, comprising a patch body that is formed as a sheet and has a tensile stiffness between 20×103 N/m and 40×103 N/m, preferably between 25×103 N/m and 35×103 N/m, parallel to a first axis, wherein the first axis lies on a main face of the patch body,
- preferably wherein the patch body has a tensile stiffness between 20×103 N/m and 40×103 N/m, preferably between 25×103 N/m and 35×103 N/m, parallel to a second axis, wherein the second axis lies on the main face of the patch body and is vertical to the first axis.
The patch according claim to 8, wherein the reinforcing and/or stress distribution element is formed as an insert that is inserted in the at least one through opening, wherein the reinforcing and/or stress distribution element is preferably a grommet.
Dependencies are inferred from the claim text.