Implant for the operative correction of spinal deformity
US4854304A · kind A · utility
267Cited by
4References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 15, 1988 |
| Grant date | Aug 8, 1989 |
| Priority date | — |
| Expiry date | Mar 15, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/7004
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An implant for the operative correction of spinal deformity, in particular scoliosis, kyphosis, and lordosis, which is a distraction and compression rod, having at one of its end a ratchet part formed by circumferential saw notches conically broadening toward the top and ending in a flat surface for receiving spinal hooks, a cylindrical part followed by a threaded part, the threaded part being build for receiving the heads of bone screws fixed by nuts, wherein the ratchet part of the rod is used for distraction and the threaded part of the rod is used for compression as well as distraction of the deformed spine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.