Intervertebral allograft spacer
US6554863B2 · kind B2 · utility
475Cited by
119References
20Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jul 6, 2001 |
| Grant date | Apr 29, 2003 |
| Priority date | — |
| Expiry date | Jul 6, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S623/925
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An allogenic intervertebral implant for fusing vertebrae is disclosed. The implant is a piece of allogenic bone conforming in size and shape with a portion of an end plate of a vertebra. The implant has a wedge-shaped profile to restore disc height and the natural curvature of the spine. The top and bottom surfaces of the implant have a plurality of teeth to resist expulsion and provide initial stability. The implant according to the present invention provides initial stability need for fusion without stress shielding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.