SPINAL FUSION IMPLANTS
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United States of America Patent
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Issued Date -
Dec 27, 2012
app pub date -
May 10, 2012
filing date -
May 1, 2001
priority date (Note) -
Abandoned
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Abstract
An improved implant is provided for human implantation, such as a spinal implant for implantation into the intervertebral space between two adjacent vertebrae. Some embodiments include a substrate of high strength biocompatible material, such as doped silicon nitride ceramic for example. In some embodiments, the substrate may also include one or more regions of a controlled porosity analogous to natural bone. In other embodiments, the substrate may comprise the entire implant.
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