Intervertebral Implant
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United States of America Patent
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Issued Date -
Jun 2, 2011
app pub date -
Jul 29, 2009
filing date -
Jul 29, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An intervertebral implant for insertion into an intervertebral disc space having a contact face for connection to an adjacent vertebral body. The contact face has a porous coating that allows bone tissue ingrowth into the porous coating to form an intimate connection between the contact face and the bone tissue. Rounded teeth are provided that protrude above the contact face and the porous coating and have a radius of not less than 0.1 mm. The rounded teeth do not penetrate through the bone tissue but merely compact the bone tissue. The teeth provide fixation in the bone tissue even without intimate connection to the bone tissue. A method of securing the implant in the intervertebral space with easy removal in the event of a replacement is also disclosed.
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