Expandable interbody fusion cage
US7431735B2 · kind B2 · utility
268Cited by
78References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2004 |
| Grant date | Oct 7, 2008 |
| Priority date | — |
| Expiry date | Dec 7, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0006
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An expandable intervertebral device including a body extending generally along a longitudinal axis and including at least two branch portions coupled together adjacent an end portion of the body. The device further includes an expansion member positioned between the at least two branch portions with at least a portion of the expansion member arranged at an angular orientation relative to the longitudinal axis whereby a change in the angular orientation relative to the longitudinal axis urges the at least two branch portions apart to expand the body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.