Three column spinal fixation implants and associated surgical methods
US9820867B2 · kind B2 · utility
Inventors
Key dates
| Filing date | May 13, 2016 |
| Grant date | Nov 21, 2017 |
| Priority date | — |
| Expiry date | Jun 17, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00023
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A three column spinal fixation implant, including: an anterior cage configured to be disposed in an intervertebral space between adjacent vertebral bodies in a spine of a patient; an anterior plate coupled to the anterior cage; a pair of anterior screws coupled to the anterior cage and the anterior plate and extending posteriorly from the anterior cage and the anterior plate through a portion of one or more of the adjacent vertebral bodies and into or through posterior bony structures of the spine of the patient; a pair of anterior screws coupled to the anterior plate and extending posteriorly from the anterior plate through a portion of one or more of the adjacent vertebral bodies and into or through posterior bony structures of the spine of the patient; a plurality of posterior headbodies coupled to the anterior screws opposite the anterior cage and the anterior plate; and one or more connecting structures coupled to the plurality of posterior headbodies; wherein the three column spinal fixation implant provides structural stability to the spine of the patient across a first anterior column, a second middle column, and a third posterior column thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.