Bone plate assemblies with backout protection and visual indicator
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United States of America Patent
Stats
-
Jul 3, 2012
Grant Date -
Oct 7, 2010
app pub date -
Apr 6, 2009
filing date -
Apr 6, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A bone plate assembly includes a plate, at least one bushing, and at least one bone screw. The bushing is positioned within a through hole of the plate. The bushing and screw are configured to engage each other to inhibit the screw from backing out. The screw includes a visual indicator surface that is visible to the operator during insertion of the screw through the bushing and plate. The bushing is configured to cover at least a portion of the visual indicator surface to show when the bushing and screw are properly engaged to inhibit backout of the screw.
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