Rod fixing apparatus for vertebra connecting member
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 1, 2011
Grant Date -
Jun 24, 2004
app pub date -
Sep 11, 2003
filing date -
Sep 12, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The fixing apparatus includes a pressure fixing device to pressure fix a rod to a circular arc rod engagement portion, and small protruding portions that bite into the rod and have an acute angle in both end sides of the rod engagement portion outside of the pressure fixing device. A recess surface of the circular arc rod engagement portion between the small protruding portions is formed as a rough surface.
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