Controlled artificial intervertebral disc implant
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United States of America Patent
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-
Jul 21, 2009
Grant Date -
Nov 10, 2005
app pub date -
Feb 11, 2005
filing date -
Aug 15, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to an artificial intervertebral disc for placement between adjacent vertebrae. The artificial intervertebral disc is preferably designed to restore disc height and natural disc curvature, allow for a natural range of motion, absorb shock and provide resistance to motion and axial compression. Furthermore, the intervertebral disc may be used in the cervical, the thoracic, or the lumbar regions of the spine. The artificial intervertebral disc may include either singularly or in combination: an interior including at least one spring member preferably incorporating a arcuate surface member, a flexible core, the flexible core preferably being a slotted core, a ring spring, a winged leaf spring, or a leaf spring, or The articulating member preferably being attached to one of the endplate by an intermediate shock absorbing element.
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Cited Art Landscape
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