| 摘要 |
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 mum The body of the spinal implant is ring-shaped and defines a central passageway.
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