Wolfgang Witt;Frank Willems;Christoph Classen;Andreas Henseler
发明人:
Frank Willems,Christoph Classen,Andreas Henseler,Wolfgang Witt
申请号：
US13821089
公开号：
US09839430B2
申请日:
2011.09.06
申请国别(地区):
US
年份:
2017
代理人:
摘要：
The device for closing openings or cavities in blood vessels, e.g. in veins or in the heart, said device comprises a closing body comprising an outer side having a partial region arranged for blood flow therealong at least in a part of said partial region thereof when said closing body is in its state of use for closing said opening 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 of the closing body is at least partially in abutment on the closing body.
