IMPLANTS HAVING INTERNAL FEATURES FOR GRAFT RETENTION AND LOAD TRANSFER BETWEEN IMPLANT AND VERTEBRAE
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United States of America Patent
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app pub date -
Aug 10, 2012
filing date -
May 6, 2005
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Abandoned
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Abstract
An interbody spinal implant, such as a solid-body or composite implant, includes at least one graft contact surface as one or more of the internal surfaces of the implant. The graft contact surface, for example, having at least one ridge or groove is designed to contact and promote retention and stabilization of bone growth-inducing materials placed within the internal openings of the implant body. In addition, the ridges or grooves may influence the biological processes to promote bone healing and fusion. Also disclosed are processes of fabricating the graft contact surfaces and other surface topographies on the implant.
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