Bilaterally expanding intervertebral body fusion device
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United States of America Patent
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Apr 19, 2016
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app pub date -
Jun 4, 2015
filing date -
Jun 4, 2014
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Abstract
An embodiment includes an expandable intervertebral body fusion device with two expansion wedges within a generally hollow main body. After implantation into the intervertebral disc space, the expansion wedges are simultaneously moved from the center of the device toward the ends, which flexes the arms of the cage and increases the size of the implant. This expansion stabilizes the device in the disc space and increases the disc height, thereby reducing foraminal compression of spinal nerves and creating a stable motion segment for eventual fusion. Other embodiments are described herein.
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