Spinal implant surface configuration with a projection having a back cut
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 5, 2011
Grant Date -
Jun 17, 2004
app pub date -
Oct 10, 2003
filing date -
Dec 8, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention is a specialized implant having opposed surfaces for engaging each of the vertebral bodies adjacent a disc space into which the implant is implanted. The surface comprises arrayed projections having at least one forward facing facet directed at least in part toward the leading end of the implant and at least one rearward portion directed at least in part toward the opposite trailing end of the implant. Each of the forward facet and rearward portion has a length and a slope. The length of the forward facet is longer than the length of the rearward facet. The slope of the rearward facet is steeper than the slope of the forward facet. The surface projections also have opposed side facets directed generally toward the sides of the implant. The side facets are located between the forward facet and rearward facet and converge toward each other in a direction away from the base of the surface projections. The surface may also include projections having left and right forward side facets and a rearward facet. The surface further may include projections having left and right rearward side facets and a forward facet.
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