Surface-mineralized spinal implants
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United States of America Patent
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-
May 18, 2004
Grant Date -
Oct 24, 2002
app pub date -
Mar 29, 2002
filing date -
Mar 11, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A spinal implant is provided to integrate with and support vertebrae in a vertebral column. The spinal implant includes a body and a mineralized, bioactive surface coating chemically bonded to a portion of the body. The coating includes a non-hydroxyl containing carbonated calcium phosphate bone mineral nano-crystalline apatite with chemically adsorbed water having a crystal size less than about 1 .mu.m. The body of the spinal implant is ring-shaped and defines a central passageway.
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Family
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