DYNAMIZATION OF FIXED SCREW FRACTURE PLATES
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United States of America Patent
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Issued Date -
Dec 3, 2009
app pub date -
May 29, 2008
filing date -
May 29, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A locking fracture plate may become a dynamic locking plate with the removal of a single set screw. The set screw removal may be done at the time of the initial implantation of the fracture plate, or several weeks later after the fracture has been allowed to consolidate. The device of the present invention may allow for the set screw to be removed percutaneously under x-ray control. The dynamized plate may allow for fracture compression but not for fracture displacement (loss or reduction) by rotation or sheer. The dynamized plate, with the set screw removed, may still protect the fracture from rotation and sheer. While conventional fracture plates may rigidly hold the bones in place, thereby potentially slowing bone fusion, or, in extreme cases, resulting in nonunion of the fracture, the fracture plate of the present invention may allow for fracture compression and, therefore, permit bone healing, growth and repair.
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