Threaded plugs with splay resisting thread forms for bone anchor receivers
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United States of America Patent
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Mar 26, 2024
Grant Date -
Nov 17, 2022
app pub date -
Jul 28, 2022
filing date -
Nov 23, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A receiver assembly for securing an elongate rod to a bone anchor includes a receiver having a channel configured to receive the elongate rod and a helically wound receiver guide and advancement structure formed into interior surfaces of the receiver. The receiver assembly further includes a threaded plug configured for positioning within the channel to secure the elongate rod to the receiver in a locked configuration, with the threaded plug having a lower axially protruding portion configured to engage the rod so as to lock the rod in the receiver in the locked configuration.
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