Intervertebral disc replacement prosthesis
US6964686B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 5, 2002 |
| Grant date | Nov 15, 2005 |
| Priority date | — |
| Expiry date | Sep 5, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00592
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An intervertebral disc prosthesis that comprises a deformable flexure with an axial cavity, the axial cavity extending along the axis of the flexure, and a slit defined in the perimeter surface of the flexure to provide flexibility to the disc member, the slit having a slit thickness. The slit may be in the form of a coil to impart a spring-like appearance and function. The intervertebral disc prosthesis further comprises a lower disc support housed in the axial cavity and an upper disc support housed in the axial cavity; with the lower and upper disc supports communicating with one another to provide support to the disc. The lower or upper disc support may alternatively be incorporated into the flexure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.