Sacral fixation device
US4569338A · kind A · utility
Inventor
Key dates
| Filing date | Feb 9, 1984 |
| Grant date | Feb 11, 1986 |
| Priority date | — |
| Expiry date | Feb 9, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/86
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
This invention provides a sacral fixation screw comprising a housing having an aperture in the top surface thereof for engaging a driving device and an opening extending laterally through the housing, the opening having top and bottom walls which may be double beveled to provide a smaller opening at the center of the housing and a threaded shank extending perpendicularly from the side of the housing opposite to the surface having the aperture therein. The present invention further provides a sacral fixation device comprising the above-mentioned screw and a hook. A method for applying a spinal rod to a patient's sacrum is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.