Bone anchoring device
US9308035B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2012 |
| Grant date | Apr 12, 2016 |
| Priority date | — |
| Expiry date | Aug 30, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/00867
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A bone anchoring device for anchoring in a bone comprises a hollow shaft having an outer surface including a first portion and a threadless second portion, the second portion having a larger outer diameter and a shorter axial length than the first portion; and a barb carrier having at least two barb elements. The shaft and the barb carrier can be moved relative to each other in such a manner that in a first configuration the barb elements of the barb carrier project beyond an outer surface of the shaft by a distance d1, and in such a manner that in a second configuration the barb elements of the barb carrier project beyond the outer surface of the shaft along the second portion of the shaft by a distance of d2, wherein d2>d1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.