Associating hydrogels for nucleus pulposus replacement in intervertebral discs
US7214245B1 · kind B1 · utility
69Cited by
11References
6Claims
0Family size
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Key dates
| Filing date | Oct 27, 2000 |
| Grant date | May 8, 2007 |
| Priority date | — |
| Expiry date | Feb 10, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S623/926
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A prosthetic nucleus prepared from blends of polyvinylalcohol and polyvinyl pyrollidone or its copolymers for replacement of the nucleus pulposus in intervertebral discs is provided. Also provided are methods of replacing the nucleus pulposus and treating disc degeneration-associated pain in mammals using this prosthetic nucleus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.