Elastomeric spinal disc nucleus replacement
US7758647B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2004 |
| Grant date | Jul 20, 2010 |
| Priority date | — |
| Expiry date | Sep 1, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00017
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A spinal disc nucleus replacement including an elastomeric sheath (12) assembled around a rod (14), a portion of the sheath being arranged for sliding along the rod, and a sheath compactor (18) adapted to slide a portion of the sheath along the rod from a first position to a second position, wherein in the first position the sheath is in a non-expanded orientation and in the second position the sheath is in an expanded orientation wherein folds of the sheath expand radially outwards from the rod.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.