Device for connecting a longitudinal bar to a pedicle screw
US7022122B2 · kind B2 · utility
296Cited by
45References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2002 |
| Grant date | Apr 4, 2006 |
| Priority date | — |
| Expiry date | Dec 31, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/7035
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention is directed to a device for connecting a longitudinal bar to a pedicle screw for fixation of the spine. The device includes a body having an axis, an upper end, a lower end, a hole coaxial with the axis, and a through hole positioned perpendicular to the axis. The device also includes a coller chuck slidably disposed within the hole. The coller chuck includes a through hole substantially aligned with the through hole of the body for receiving the longitudinal bar, and a chamber defined by elastic tongues for receiving the head of the pedicle screw.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.