Method utilizing chemical bonding to improve the bone screw fixation interface
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United States of America Patent
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Dec 23, 2003
Grant Date -
Jul 18, 2002
app pub date -
Dec 27, 2001
filing date -
Jan 5, 2001
priority date (Note) -
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Abstract
This invention relates to a method and materials in combination for bonding screws to a fixation plate or to a skeletal bone using chemical means. The chemicals include solvents, glues, or bonding agents, which act to improve the strength of bone screw to plate or the bone screw to skeletal bone interface. Interface refers to the contact area between the bone screw and either the plate or skeletal bone. The fixation device usually comprises a plate with bone screws implanted within the human skeleton. The bone screw maintains the plate in contact with the bone or maintains another structure such as a tendon in contact with the bony skeleton. The chemical bonding is in addition to or in place of a mechanical means to bond the bone screw to the fixation plate or to the skeletal bone. It provides for added strength to the bone screw interface with a plate or skeletal bone, reducing the probability of screw loosening and or migration.
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