Bone hemi-lumbar interbody spinal fusion implant having an asymmetrical leading end and method of installation thereof
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United States of America Patent
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Apr 4, 2006
Grant Date -
Sep 2, 2004
app pub date -
Dec 16, 2003
filing date -
Apr 19, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
An interbody spinal implant is formed of cortical bone adapted for placement across an intervertebral space formed across the height of a disc space between two adjacent vertebral bodies. An asymmetrical leading end on the implant is adapted to sit upon the peripheral areas, such as the apophyseal rim and the apophyseal rim area, of the vertebral end plate region of the vertebral bodies without protruding therefrom. The asymmetrical leading end allows for the safe use of an implant of maximum length for the implantation space into which it is installed. The implant can also include an asymmetric trailing end adapted to sit upon the more peripheral areas of the vertebral end plate region of the vertebral bodies.
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