Spinal anchoring screw
US8409256B2 · kind B2 · utility
18Cited by
42References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2006 |
| Grant date | Apr 2, 2013 |
| Priority date | — |
| Expiry date | Aug 5, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/00867
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A spine stabilization system having a dynamic screw comprises at least one bone anchor assembly comprising a receiver member and a bone engaging member pivotably connected to the receiver member. A bearing is provided in the receiver member that engages a portion of the bone engaging member. An elongated connecting member is connected to the receiver member. A retention member insert is provided within the receiver member between the elongated connecting member and the bearing. The retention member is configured to secure the bearing within the retention member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.