Modular pedicle screw system
US8137384B2 · kind B2 · utility
13Cited by
0References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 2008 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Sep 7, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/031
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A modular anchoring device including a threaded shank for anchoring within a vertebra, an intermediate element and a head portion configured to receive and secure a rigid or non-rigid stabilization rod. The threaded shank, the intermediate element and the head portion of the anchoring device are cannulated to permit percutaneous implantation of the device. The intermediate portion is designed to be removable from the threaded shank portion subsequent to implantation of the anchoring device to enable substitution of another intermediate element having different dynamic characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.