Radiolucent screw with radiopaque marker
US9408649B2 · kind B2 · utility
6Cited by
65References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2008 |
| Grant date | Aug 9, 2016 |
| Priority date | — |
| Expiry date | Aug 14, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/3966
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A bone screw includes an elongate shaft extending longitudinally between a proximal end and an opposing distal end, the shaft bounding a first passageway at least partially extending between the proximal end and the distal end, the shaft being comprised of a radiolucent material. A core is disposed within the first passageway of the shaft, the core being comprised of a radiopaque material. A rounded head or a substantially U-shaped collar is either integrally formed with or is rigidly attached to the proximal end of the shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.