BONE ANCHOR COMPRISING A SHAPE MEMORY ELEMENT AND UTILIZING TEMPERATURE TRANSITION TO SECURE THE BONE ANCHOR IN BONE
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United States of America Patent
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Issued Date -
Dec 22, 2011
app pub date -
Aug 21, 2008
filing date -
Aug 24, 2007
priority date (Note) -
Abandoned
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Abstract
A bone anchor that uses temperature transition of a shape memory material to expand the anchor within a bone. Thermal transformation of the metallic crystal state (and hence the stress/strain properties) of shape memory alloy (e.g., Nitinol, NiTi) expands engagement elements within the bone to fix the bone anchor in place. Various self-locking assemblies for attached suture material to the bone anchor are also disclosed.
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