Spinal fusion interbody spacer
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United States of America Patent
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Sep 13, 2005
Grant Date -
N/A
app pub date -
Apr 23, 2004
filing date -
Apr 23, 2004
priority date (Note) -
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Abstract
A convex spinal fusion interbody space device includes spaced apart superior and inferior abutment surfaces which are effectively medially convex. The peak of such convexity is displaced anteriorly of a central plane through the device. The spacer device has front to rear lateral concave surfaces and top to bottom lateral side channels that intersect with said convex surfaces. The spacer device has a height which is greater than the width of the device. The spacer device is implanted between a pair of adjacent vertebrae by insertion in a tipped-over orientation and then reoriented to an upright orientation for engagement by facing surfaces of the vertebrae. Fusion promoting bone material is packed between the vertebrae and about the spacer device subsequent to implantation.
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