Extraction of solvents from drug containing polymer reservoirs

Details Extraction of solvents from drug containing polymer reservoirs Extraction of solvents from drug containing polymer reservoirs

A - Human Necessities

61

M

A61M 31/00 (2006.01) A61B 17/064 (2006.01) A61B 17/11 (2006.01) A61F 2/84 (2006.01) A61F 2/90 (2006.01) A61L 31/14 (2006.01) A61L 31/16 (2006.01)

Patent

CA 2664768

A process for reducing solvent contents in drug-containing polymeric compositions may be utilized to reduce the solvent content in implantable medical device wherein the compositions are in reservoirs. Specifically, the solvent contents in the drug-containing polymeric compositions are first reduced by one or more conventional drying methods, to a range from about 0.5 weight percent to about 10 weight percent of the total weight of the polymeric composition. Subsequently, the drug-containing polymeric compositions are further treated by a low temperature drying method for further reduction of the solvent content.

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