Damping element and device for stabilization of adjacent vertebral bodies
US8012180B2 · kind B2 · utility
12Cited by
31References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 18, 2007 |
| Grant date | Sep 6, 2011 |
| Priority date | — |
| Expiry date | Jun 17, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/7004
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A damping element includes: two spring elements which are coaxial with or parallel to a longitudinal axis and two axially end-side connectors, where the first spring element exhibits a spring rate F, the second spring element exhibits a spring rate f, and the spring rates F and f are different. A device stabilizing adjacent vertebrae, including N pedicle screws or hooks, where N is greater than or equal to 3 and where each pedicle screw or pedicle hook includes a receiving device receiving a longitudinal affixation device and where an element acting as a spring is inserted between two adjacent pedicle screws or pedicle hooks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.