Uniplanar screw
US9084634B1 · kind B1 · utility
45Cited by
233References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2011 |
| Grant date | Jul 21, 2015 |
| Priority date | — |
| Expiry date | Feb 3, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/7083
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A spinal screw assembly is provided. The assembly may be provided with a screw and a movable head in which angulation of the screw relative to the movable head is constrained so that angulation within limits is allowed in one plane but lesser or no angulation is allowed in another plane. Methods to assemble the disclosed apparatus are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.