Collagen membrane for medical use and method for manufacturing the same
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United States of America Patent
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Issued Date -
Apr 22, 2010
app pub date -
Feb 11, 2009
filing date -
Oct 16, 2008
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a method for manufacturing a collagen membrane, which comprises the following steps: preparing a collagen slurry; degassing the collagen slurry, and then forming collagen gel at a predetermined collagen concentration, ionic strength, pH value, and temperature; removing water in the collagen gel by an absorbent device to form a collagen mat; and flattening and drying the collagen mat under vacuum by a gel dryer. The present invention provides the collagen membranes manufactured by the above-mentioned method. Such membranes are of good biocompatibility, high tensile strength, hydrophilicity, flexibility and easy handling features. Hence, these membranes can function as medical material suitable for repair of tissue and wound healing.
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