Devices and methods for disc replacement
US7534268B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2006 |
| Grant date | May 19, 2009 |
| Priority date | — |
| Expiry date | Sep 14, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00976
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present disclosure concerns implants to at least partially replace the nucleus of a spinal disc. In one embodiment, a prosthetic implant is provided which includes a bag structure having a fixation component or member, the bag operable to contain at least one internal implant within the bag. In other embodiments, a bag structure is provided with a flange adaptable to anchor the structure to a vertebral body and a sinusoidal-shaped structure made of a flexible material is provided with various unique configurations. In one embodiment, for delivery, a bag structure with a flange may be attached to a vertebral body. In another embodiment, a sinusoidal-shaped implant structure is alternately woven from one end to the other with a second sinusoidal-shaped structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.