Poly-axial bone screw mating seat
US7867257B2 · kind B2 · utility
26Cited by
0References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2006 |
| Grant date | Jan 11, 2011 |
| Priority date | — |
| Expiry date | Jun 8, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/7037
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention is directed a poly-axial bone securing system including a bone securing member and a coupling element. The coupling element includes an opening to permit the bone securing member to pass therethrough and a seat for contacting a head portion of the bone securing member. The opening including a discrete number of contact surfaces or points for engaging the head portion of the bone securing member so that discrete frictional or gripping forces may be generated at interface points of each contact surface or point.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.