Two step locking screw assembly
US9655655B2 · kind B2 · utility
1Cited by
23References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 2012 |
| Grant date | May 23, 2017 |
| Priority date | — |
| Expiry date | Feb 20, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/8685
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A two step locking screw assembly includes a receiving member for receiving a fixation member and an anchor having an enlarged portion and a shank. The enlarged portion of the anchor may be seated in the receiving member. An insert may also extend inside the receiving member. An outer fastener may be positioned in the receiving member. The outer fastener may include a central opening and a pair of ramped flanges. An inner fastener may be disposed inside the central opening of the outer fastener.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.