The invention relates to a device which can be implanted inside a vessel to form a blood filter there. The device comprises a structure (7) disposed along the axis (3) of a surface of revolution, radially to which axis the structure can be expanded or compressed such that, in its expanded position, it...http://www.google.fr/patents/US5383887?utm_source=gb-gplus-shareBrevet US5383887 - Device for selectively forming a temporary blood filter
Device for selectively forming a temporary blood filter