Multi-planar, taper lock screw with additional lock
US8696717B2 · kind B2 · utility
16Cited by
32References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2009 |
| Grant date | Apr 15, 2014 |
| Priority date | — |
| Expiry date | Oct 7, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/7032
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A pedicle screw construct includes a pedicle screw, a coupling, a collet, and a set screw. The pedicle screw includes a shank having a helical thread formed thereon and a head at one end. The collet is positioned atop the head of the pedicle screw. The collet and pedicle screw are inserted into the coupling. The set screw is positioned in the collet such that the set screw contacts a portion of the rod and is releasably secured to the pedicle screw via a gripping tool. The pedicle screw is rotatable and pivotable relative to the collet and coupling assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.