Vertebral connecting plate
US5147361A · kind A · utility
441Cited by
5References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 1990 |
| Grant date | Sep 15, 1992 |
| Priority date | — |
| Expiry date | Nov 29, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/8625
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A vertebral connecting plate assembly includes a vertebral connecting plate which is provided, on its opposite ends, with vertebra connecting portions to be connected to associated vertebral members or bodies. The vertebra connecting portions have threaded holes, and the set screws of the present invention have engaging screw portion, which are engaged in the associated threaded holes of the vertebral connecting plate. Thrusting screw portions of the set screws, which are thrust in the vertebral members or bodies, have a pitch (P1) larger than the pitch (P2) of the engaging screw portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.