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US 8,992,619 B2Granted
Microstructured implant surfaces
AssigneeTitan Spine, LLC
InventorsChad Patterson, Jennifer Schneider, Peter Ullrich, Mark Berg
Life of this patent
Estimating the term…
Abstract
An implantable device for treating disc degenerative disease and arthritis of the spine. The implant is sized for placement into an intravertebral disc space. The implant has a body with a predetermined, defined, repeating, three-dimensional pattern at least partially on at least one of its surfaces. The pattern is adapted to create a surface area of bone-contacting features that enhance in-growth and biological attachment to a biocompatible material. Also disclosed are process steps for making the implant.
Claims19
An implantable device comprising:
- a body being sized for placement into an intervertebral disc space and having a top surface, a bottom surface, opposing lateral sides, opposing anterior and posterior portions, a substantially hollow center, and a single vertical aperture extending from the top surface to the bottom surface,
- the top surface, the bottom surface, or both surfaces having a designed surface topography of bone-contacting features, the designed surface topography comprising first, second, and third surface patterns without sharp protrusions;
- the first surface pattern including a plurality of dimples having a first depth dimension, the second surface pattern including a plurality of dimples having a second depth dimension, and the third surface pattern including a plurality of dimples having a third depth dimension, the first depth dimension being greater than the second depth dimension, and the second depth dimension being greater than the third depth dimension, wherein a portion of the second surface pattern overlaps the first surface pattern and a portion of the second surface pattern does not overlap the first surface pattern, and a portion of the third surface pattern overlaps the second surface pattern and a portion of the third surface pattern does not overlap the second surface pattern,
- wherein the first and second surface patterns allow for stability of the body and the third surface pattern allows for bone in-growth and biological attachment of the body to adjacent bone.
1 more element
An implantable prosthetic device adapted to promote osteointegration, the device comprising:
- a body having a top surface, a bottom surface, opposing lateral sides, opposing anterior and posterior portions, a substantially hollow center, and a single vertical aperture extending from the top surface to the bottom surface,
- the top surface, the bottom surface, or both surfaces having a designed surface topography of bone-contacting features, the designed surface topography comprising first, second, and third surface patterns without sharp protrusions;
- the first surface pattern including a plurality of dimples having a first depth dimension, the second surface pattern including a plurality of dimples having a second depth dimension, and the third surface pattern including a plurality of dimples having a third depth dimension, the first depth dimension being greater than the second depth dimension, and the second depth dimension being greater than the third depth dimension, wherein a portion of the second surface pattern overlaps the first surface pattern and a portion of the second surface pattern does not overlap the first surface pattern, and a portion of the third surface pattern overlaps the second surface pattern and a portion of the third surface pattern does not overlap the second surface pattern,
- wherein the first and second surface patterns allow for stability of the body and the third surface pattern allows for bone in-growth and biological attachment of the body to a biocompatible material.
1 more element
An implantable prosthetic device adapted to promote osteointegration, the device comprising:
- a body being sized for placement into an intervertebral disc space and having a top surface, a bottom surface, opposing lateral sides, opposing anterior and posterior portions, a substantially hollow center, and a single vertical aperture extending from the top surface to the bottom surface,
- the top surface, the bottom surface, or both surfaces having a designed surface topography of bone-contacting features, the design surface topography comprising first, second, and third surface patterns without sharp protrusions;
- the first surface pattern including a plurality of dimples having a first depth dimension, the second surface pattern including a plurality of dimples having a second depth dimension, and the third surface pattern including a plurality of dimples having a third depth dimension, the first depth dimension being greater than the second depth dimension and the second depth dimension being greater than the third depth dimension, wherein a portion of the first surface pattern partially overlaps the second surface pattern and a portion of the third surface pattern partially overlaps the second surface pattern,
- wherein the first and second surface patterns are sized to provide stability of the body and the third surface pattern is sized to provide for bone in-growth and biological attachment of the body to adjacent bone.
1 more element
Dependencies are inferred from the claim text.