Spinal stabilization using bone anchor and anchor seat with tangential locking feature
US8167913B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2006 |
| Grant date | May 1, 2012 |
| Priority date | — |
| Expiry date | Jan 30, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/8685
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A stabilization system for implantation in a patient includes: a bone anchor including a head and a shaft, the shaft extending away from the head in a bone insertion direction and being operable for connection to a bone of the patient; and a tulip including: at least one channel having an opening for receiving an elongate member, the opening being oriented in a receiving direction having at least a component thereof substantially opposite to the bone insertion direction of the anchor, and (ii) a fastening mechanism operable to apply a tangential load on the elongate member to maintain the elongate member within the channel, wherein the tangential load is transverse to at least the receiving direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.