Vertebral osteosynthesis equipment
US9387015B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 9, 2014 |
| Grant date | Jul 12, 2016 |
| Priority date | — |
| Expiry date | Oct 9, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/7049
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
This equipment comprises at least one connecting bar and at least one sacrum anchor assembly (1-3, 5). According to the invention, each sacrum anchor assembly comprises two sacral anchor screws (1, 2), a link assembly (3) including: a sacral connecting part (10) assembled to a sacral anchor plate (11) with polyaxiality, i.e. having possible multi-directional tilting relative to the said first screw (1), and possible pivot relative to the said sacral anchor plate (11); two nuts (5) able to be screwed onto the said shanks (9) of the said first and second screws (1, 2), a first nut (5) is able to clamp this part (10) against a bearing surface (8) formed in the said first screw (1), for tilt and pivot immobilisation of this part (10) relative to the said sacral anchor plate (11).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.