Artificial vertebral disk replacement implant with crossbar spacer and method
US7452379B2 · kind B2 · utility
4Cited by
408References
51Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 11, 2004 |
| Grant date | Nov 18, 2008 |
| Priority date | — |
| Expiry date | Dec 1, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2230/0069
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention is directed to a device that can be placed between two vertebrae. The implant is characterized by having a first plate and a second plate with a crossbar therebetween. The crossbar fits within cavities on each of the first and second plates and allows for pivotal or rotational motion and also for twisting motion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.