Devices, apparatus, and methods for bilateral approach to disc augmentation
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United States of America Patent
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Apr 17, 2012
Grant Date -
Nov 5, 2009
app pub date -
Jul 16, 2009
filing date -
Apr 27, 2006
priority date (Note) -
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Abstract
A method of augmenting a nucleus pulposus of an intervertebral disc comprises forming a first opening in an annulus of the intervertebral disc and forming a second opening in the annulus of the intervertebral disc. The method further comprises providing a space creation instrument including an expandable spacing device and introducing the spacing device through the first opening and into the nucleus pulposus. The method further comprises introducing a material delivery instrument through the second opening and into the nucleus pulposus and expanding the spacing device to create a space within the nucleus pulposus. The method also comprises injecting a biocompatible material from the material delivery instrument and into the space within the nucleus pulposus.
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