Surface-mineralized spinal implants
US6736849B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2002 |
| Grant date | May 18, 2004 |
| Priority date | — |
| Expiry date | Apr 2, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2430/38
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
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 &mgr;m. The body of the spinal implant is ring-shaped and defines a central passageway.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.