Intervertebral fusion implant
US5658337A · kind A · utility
538Cited by
14References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 1996 |
| Grant date | Aug 19, 1997 |
| Priority date | — |
| Expiry date | Apr 17, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2230/0082
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A intervertebral fusion implant includes first and second bearing surfaces which oppose cortical bone upon insertion of the implant into a bore formed between two vertebrae. The implant includes first and second ridges which extend from the bearing surface. The ridges extend through the cortical bone into cancellous bone. The ridges are provided with openings formed through the ridges. The openings are in communication with the interior of the implant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.