Spacer with adjustable axial length
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United States of America Patent
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-
Mar 13, 2001
Grant Date -
N/A
app pub date -
Oct 4, 1999
filing date -
Feb 6, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A spacer for insertion between two vertebrae has a variable axial length. The spacer comprises a first sleeve-shaped shape member 1 and a second member 2 which is slidably guided within the first member in axial direction relative thereto for adjusting the overall length. The second member 2 comprises, on its outer portion facing the first member 1, an axially extending portion having ratchet notch means 18, and the first member 1 has an engagement member 23 cooperating with the ratchet notch means 18 for displacement to a desired overall length.
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