Pedicle screw system with provisional locking aspects
US8016866B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 22, 2010 |
| Grant date | Sep 13, 2011 |
| Priority date | — |
| Expiry date | Feb 22, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/7037
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A tulip assembly configured to be coupled to a head of a bone fixation device includes at least one inner member configured to fix the tulip assembly to the head of a bone fixation device, and an outer member including at least one engagement surface configured to selectively fix a rod in the tulip assembly via rotation of the outer member, wherein the fixation of the tulip assembly to the head of the bone fixation device is independent of the fixation of a rod in the tulip assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.