Cervical vertebra plate
US7229442B2 · kind B2 · utility
28Cited by
11References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 11, 2003 |
| Grant date | Jun 12, 2007 |
| Priority date | — |
| Expiry date | Nov 30, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/8655
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to a cervical vertebra plate (10) for osteosynthesis, having two receiving openings for the screw heads (18) of bone screws (16) in order to secure the cervical vertebra plate to two cervical vertebrae. The receiving openings have grooves (22) in the distal region on the periphery thereof and the depth of the grooves increases from a proximal to a distal end. The invention also relates to a bone screw (18) comprising a screw head (16) and a screw shank. The screw head comprises grooves (34) on the outer periphery thereof and the depth of the grooves varies along the length thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.