Tissue engineering scaffold comprising polyurethane material having voids interconnected by pores
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United States of America Patent
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May 1, 2012
Grant Date -
Jun 25, 2009
app pub date -
Nov 14, 2008
filing date -
May 7, 1999
priority date (Note) -
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Abstract
A tissue engineering scaffold for cell, tissue or organ growth comprises a biocompatible porous polyurethane cellular material comprising a plurality of substantially spherical voids of diameter from 20 to 300 microns, preferably 80 to 200 microns, interconnected by generally elliptically shaped pores. The cellular material has a void content of from 85% to 98% and a surface area to volume of from 5 to 400 mm2/mm3, ideally from 20 to 80 mm2/mm3.
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