Porous tissue scaffoldings for the repair of regeneration of tissue
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United States of America Patent
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Dec 25, 2001
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app pub date -
Jun 30, 1999
filing date -
Jun 30, 1999
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Abstract
The present patent describes a three-dimensional inter-connected open cell porous foams that have a gradient in composition and/or microstructure through one or more directions. These foams can be made from a blend of absorbable and biocompatible polymers that are formed into foams having a compositional gradient transitioning from predominately one polymeric material to predominately a second polymeric material. These gradient foams are particularly well suited to tissue engineering applications and can be designed to mimic tissue transition or interface zones.
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