Device for mechanically connecting and assisting vertebrae with respect to one another
US5961516A · kind A · utility
Inventor
Key dates
| Filing date | Jul 25, 1997 |
| Grant date | Oct 5, 1999 |
| Priority date | — |
| Expiry date | Jul 25, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/7046
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device for mechanically connecting and assisting vertebrae with respect to one another which includes at least one securing device cooperating with a ball joint adapted to be connect to a vertebra and a compressible body maintained along an axis of the securing device. The securing device includes two end bodies which retain a ball joint and the compressible element therebetween. At least one of the two end bodies is formed as a cup which is adapted to cover a portion of the ball joint and the end bodies are connected together by a connecting element disposed around the compressible member and over the cup of at least one of the two end bodies such that the connecting element is adapted to move over an outer surface of the cup.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.