Intervertebral disk prosthesis
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United States of America Patent
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Jun 21, 2011
Grant Date -
Jun 17, 2004
app pub date -
Sep 11, 2003
filing date -
Sep 12, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An intervertebral disk prosthesis is disclosed. The intervertebral disk prosthesis is has a base plate, a top plate opposite the base plate, and an intervening core located between the top plate and base plate. One of the plates has a first concave contact face facing the core, which has a adjacent first convex contact face. A groove is provided around one of contact faces in which an elastic ring is placed. When placed in the groove, the elastic ring is also in contact with the opposite contact face.
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Family
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