Collagen-based materials and methods for augmenting intervertebral discs
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United States of America Patent
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May 11, 2010
Grant Date -
Sep 8, 2005
app pub date -
Apr 28, 2005
filing date -
Sep 18, 2002
priority date (Note) -
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Abstract
A method of augmenting an intervertebral disc by injecting particles of collagen-based material into the disc. The particles may be dehydrated before implantation, and rehydrated after implantation, or they may be implanted in a “wet” state—such as a slurry or gel. Radiocontrast materials may be included to enhance imaging of the injected material. Other additives may include analgesics, antibiotics, proteoglycans, growth factors, and/or other cells effective to promote healing and/or proper disc function.
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