Polyaxial bone anchors with increased angulation
US8679162B2 · kind B2 · utility
16Cited by
89References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2011 |
| Grant date | Mar 25, 2014 |
| Priority date | — |
| Expiry date | Dec 19, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/7038
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A polyaxial bone anchor has a locking element shaped and configured to allow an anchoring member (e.g., a screw or hook) to polyaxially rotate at large angles about a central axis of the bone anchor before compression locking the anchoring member within an anchor head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.