Osteosynthesis screw
US6699250B1 · kind B1 · utility
34Cited by
10References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2001 |
| Grant date | Mar 2, 2004 |
| Priority date | — |
| Expiry date | Mar 20, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/8625
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to an osteosynthesis screw (1) comprising a shaft (3) with a thread (2) and a head (4) formed at one end and having a notch (5) for a tool. The shaft region (3) with the thread has a configuration with a uniform thickness, ie. trilobular. This configuration prevents inverse rotation due to rapid further growth of tissue
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.