Implant for Deploying Bone Graft Material and Methods Thereof
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United States of America Patent
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Issued Date -
Feb 18, 2010
app pub date -
Aug 17, 2009
filing date -
Aug 15, 2008
priority date (Note) -
Abandoned
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Abstract
Invertebral implants are provided for carrying bone graft material and extruding the bone graft material between the implant and the adjacent vertebral bodies. The implants include first and second implant extrusion members shiftable relative to one another between a pre-implantation configuration having an enlarged cavity for receiving bone graft material therein and an implantation configuration having a smaller cavity. As the first and second implant extrusion members shift during implantation to the implantation configuration bone graft material is extruded from the cavity and into gaps or spaces between the upper and lower vertebral engaging surfaces of the implant and the adjacent vertebral bodies. After extrusion the bone graft material is subjected to spinal loading and stress to encourage strong bone growth therethrough.
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