MEDICAL DEVICE COMPRISING A POROUS ARTICLE OF EPTFE EXHIBITING IMPROVED CELLULAR TISSUE INGROWTH

摘要

A medical device comprising a porous article of expanded polytetrafluoroethylene (ePTFE) having a microstructure comprising nodes interconnected by fibrils, wherein the microstructure at a surface of the article at least partially includes nodes having segments free of fibrillate interconnections.