Patent · US Expired

Vertebral rod for spinal osteosynthesis instrumentation and osteosynthesis instrumentation, including said rod

US6099528A · kind A · utility

348Cited by
21References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 28, 1998
Grant dateAug 8, 2000
Priority date
Expiry dateMay 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.