Intervertebral nucleus prosthesis and surgical procedure for implanting the same
US7037340B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 30, 2002 |
| Grant date | May 2, 2006 |
| Priority date | — |
| Expiry date | Jan 30, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00023
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An intervertebral nucleus prosthesis characterized in that it consists of at least one, in particular, spherical body movable in two directions of a plane and made of a rigid, non-oxidizing, biocompatible material with a diameter adapted to the biological nucleus, the spherical body being mounted non-displaceably but freely rotatably about its center in a cage and protruding at both opposite sides of said cage in the form of a spherical caps. Also proposed is a method for implanting such a prosthesis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.