Methods and systems for constraint of multiple spine segments
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United States of America Patent
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Apr 24, 2012
Grant Date -
Oct 22, 2009
app pub date -
Apr 17, 2009
filing date -
Oct 19, 2006
priority date (Note) -
In Force
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Abstract
Methods, apparatus and systems for constraining spinous processes to elastically limit flexion of two or more adjacent spinal segments rely on placing a tether structure over at least three adjacent vertebral bodies or two adjacent vertebral bodies and the sacrum. The tether structures may be continuous, for example in the form of a continuous loop, or may be discontinuous, for example in the form of a loop or elongate element having at least two anchor structures for securing in bone.
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