Expandable intervertebral implant with independent adjustments
US11833061B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 11, 2021 |
| Grant date | Dec 5, 2023 |
| Priority date | — |
| Expiry date | Jan 20, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2002/30784
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An expandable intervertebral implant comprises an expandable cage comprising a central frame, a superior endplate, an inferior endplate, an anterior adjustment mechanism and a posterior adjustment mechanism. The central frame including an anterior (distal) threaded bore and a posterior (proximal) bore. The superior (upper) end plate movably coupled along a posterior portion of the central frame. The inferior (lower) end plate movably coupled along the posterior portion of the central frame opposite the superior end plate. The anterior adjustment mechanism including an anterior wedge coupled to an anterior screw movable within the anterior threaded bore. The posterior adjustment mechanism including a posterior wedge coupled to a posterior screw movable within the posterior bore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.