Intervertebral spacer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Feb 19, 2008
Grant Date -
May 27, 2004
app pub date -
Aug 19, 2003
filing date -
Aug 20, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The upper and lower surfaces 5 and 7 of an intervertebral spacer 1 inserted between the vertebrae of a spine are formed in the shape of a curved surfaces 21A and 21B each having a top portion at the middle portion in the back and forth direction. The above-mentioned upper and lower surfaces 5 and 7 are provided with a plurality of claw portions 17 for preventing withdrawal. Further, the intervertebral spacer 1 is formed in such a way that a tip portion in the direction of insertion is tapered.
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