Intervertebral allograft spacer
US6986788B2 · kind B2 · utility
201Cited by
242References
58Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 2001 |
| Grant date | Jan 17, 2006 |
| Priority date | — |
| Expiry date | May 27, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/3041
- 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.