'device for closing openings or cavities in blood vessels'

摘要

device for closing openings or cavities in blood vessels. The present invention relates to a device for closing openings or cavities in blood vessels, for example, in the veins or the heart, said device comprising a closing body (12) provided with an external side (14) having a partial region arranged for a blood flow therethrough, at least in a portion of said partial region thereof, when said closure body (12) is in its state of use for closing said aperture or cavity. furthermore, the device comprises at least one layer (16) of biostable nonwoven fiber material which at least within a partial surface of said partial region of said outer side (14) of the closure body (12) , is at least partly juxtaposed over the closure body (12).