Biodegradable matrix and methods for producing same
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United States of America Patent
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Nov 13, 1990
Issued Date -
N/A
app pub date -
Jun 18, 1986
filing date -
Mar 27, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates to a biodegradable collagen matrix having a pore size and morphology which enhances the healing of a wound. It further relates to a process for preparing the matrix. One embodiment of the invention comprises a biodegradable matrix which comprises collagen, hyaluronic acid and fibronectin. Other embodiments include a process which comprises freeze drying a dispersion containing collagen, crosslinking the collagen via two crosslinking steps and freeze drying the crosslinked matrix.
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