Uniplanar surgical screw assembly
US9572598B2 · kind B2 · utility
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30References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2012 |
| Grant date | Feb 21, 2017 |
| Priority date | — |
| Expiry date | Feb 19, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/037
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Uniplanar surgical screw assemblies described include: a fastener including an elongate shaft; a saddle-shaped tulip having a tulip having a bore therethrough dimensioned to allow the distal end of the elongate shaft to pass therethrough, but to prevent passage of the head therethrough; and one or more features for limiting angular movement of the shaft, relative to the tulip, to one plane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.