Expandable spinal interbody assembly
US11304818B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 15, 2018 |
| Grant date | Apr 19, 2022 |
| Priority date | — |
| Expiry date | Nov 19, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00023
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An expandable implant includes a top support assembly defining an upper surface configured to engage a first portion of bone, a first central aperture extending from the upper surface to an interior of the implant, and a first grid structure surrounding the first central aperture; a bottom support assembly defining a lower surface configured to engage a second portion of bone, a second central aperture extending from the lower surface to the interior, and a second grid structure surrounding the second central aperture; and a control assembly coupled to the top support assembly and the bottom support assembly and configured to control relative movement between the top support assembly and the bottom support assembly between a collapsed position and an expanded position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.