METHODS FOR PREPARING TISSUE IMPLANTS
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United States of America Patent
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Issued Date -
Sep 18, 2014
app pub date -
Mar 7, 2014
filing date -
Mar 15, 2013
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Abstract
A method is provided for preparing a biological tissue for implantation. The method includes providing a biological tissue from a human or animal donor, treating the biological tissue with an antiviral treatment formulation, lysing the biological tissue, decellularizing the biological tissue with a decellularization treatment formulation, and decontaminating the biological tissue with an alkaline alcohol solution. The antiviral treatment formulation may include a solution of peracetic acid and an alcohol, wherein the peracetic acid is present in the antiviral treatment formulation at a concentration from about 0.03% to about 1.2% (v/v). The decellularization solution may include a solution of a polar aprotic solvent, such as dimethyl sulfoxide, benzyl alcohol and ethanol.
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