Silicone nucleus implants
US9814592B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Oct 16, 2012 |
| Grant date | Nov 14, 2017 |
| Priority date | — |
| Expiry date | Oct 16, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2230/0091
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A nucleus implant includes a core (10) arranged inside a nucleus pulposus space (Es) obtained after nucleotomy of the intervertebral disk (Di) and at least one extension (11) penetrating inside at least one channel (Co) formed in the vertebral body of the corresponding vertebra (Va, Vb) to strengthen and ensure a connection between the nucleus implant (1) and the bone body of the vertebra (Va) and/or (Vb) through the diffusion or migration of the viscoelastic material making up the nucleus implant in the cancellous bone of the vertebra.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.