Intervertebral implant
US7780731B2 · kind B2 · utility
6Cited by
17References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2004 |
| Grant date | Aug 24, 2010 |
| Priority date | — |
| Expiry date | Jan 7, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00029
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An intervertebral implant device includes an upper part, a lower part and a core element. The upper part includes an upper surface for engaging a vertebrae and a lower surface which includes a convex portion. The lower part includes a lower surface for engaging a vertebrae and an upper surface having a convex portion. The core element has an upper concave portion to operatively engage with the convex portion on the upper part and a lower concave portion to operatively engage with the convex portion of the lower part. Limited universal movement and translational movement is provided between the upper part and lower part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.