Biodegradable bone graft for orthopedic use
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United States of America Patent
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Issued Date -
Dec 24, 2009
app pub date -
Oct 16, 2008
filing date -
Jun 24, 2008
priority date (Note) -
Abandoned
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Abstract
In the present invention, a biodegradable bone graft is disclosed, which includes: a scaffold made of a biodegradable material; and a collagen-embedding matrix portion which completely encompasses the scaffold. The above-mentioned bone graft can increase the micro-porosity of the scaffold to enable cells to grow adhesively thereon. Compared with the scaffold only, the above-mentioned bone graft has high hydrophilicity. Hence, the bone graft of the present invention can efficiently retain tissue fluid, cell growth factors, blood and/or bone marrow which are mixed with the bone graft beforehand to achieve osteoinduction. Furthermore, the collagen-embedding matrix portion can also serve as a carrier to encompass other bone graft materials and drug molecules. The present invention also relates to a method for manufacturing the above-mentioned bone graft.
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