Intervertebral disc
US9993349B2 · kind B2 · utility
0Cited by
876References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2009 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | Jul 16, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00796
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
This invention relates to an intervertebral motion disc having two motion surfaces and. wherein the radius of the upper articulation surface of the core member is greater than the radius of the lower articulation surface of the core member, and wherein the first articulation surface of the core member is spherical and the second articulation surface of the core member is curved and non-spherical.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.