Apparatus for aligning a spinal column having damaged vertebrae
US4733657A · kind A · utility
142Cited by
7References
5Claims
0Family size
Inventor
Key dates
| Filing date | Apr 16, 1985 |
| Grant date | Mar 29, 1988 |
| Priority date | — |
| Expiry date | Apr 16, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/0256
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Apparatus for straightening a spinal column having damaged vertebrae in which support bolts are inserted into the vertebrae on both sides of the damaged vertebrae comprising a guide shaft carrying first and second arms. One of the arms is displaceable on the guide shaft and the other arm is fixed on the guide shaft. A receiving sleeve is displaceable on each arm in mutually perpendicular planes and receives an extension rod which is detachably seated in a respective support bolt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.