Vertebral rod for spinal osteosynthesis instrumentation and osteosynthesis instrumentation, including said rod
US6099528A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 28, 1998 |
| Grant date | Aug 8, 2000 |
| Priority date | — |
| Expiry date | May 28, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/037
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A vertebral rod for fixation of a spine, the rod formed of a first material and defining a passage extending at least partially therethrough, the passage at least partially filled with a second material different from the first material to thereby enable the stiffness of the rod to be varied along its length. The first and second materials are either a metallic material or a biocompatible material such as plastic. The rod may be formed of at least three layers of material, with the layers composed of at least two different materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.