Vertebral rod for spinal osteosynthesis instrumentation and osteosynthesis instrumentation, including said rod
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United States of America Patent
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-
Aug 8, 2000
Grant Date -
N/A
app pub date -
May 28, 1998
filing date -
May 29, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
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.
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Family
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