Bone plate system comprising a fastening element having a hard surface
US11534215B2 · kind B2 · utility
0Cited by
4References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 2018 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Sep 27, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/866
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention concerns a bone plate system comprising: a bone fastening element comprising a shaft with a first thread, the fastening element further comprising a head with a second thread on its outer surface, the outer surface having a first hardness; and a bone plate having a second hardness which is smaller than the first hardness, the bone plate comprising a through hole for receiving the bone fastening element. The head is oxygen diffusion hardened.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.