A releasable and retrievable vascular filter system comprising a filter, a porous filter membrane attached to the filter, and an anti-migration feature for causing the filter to remain substantially stationary in the lumen of the vessel during the clinical procedure. The releasable and retrievable vascular...http://www.google.fr/patents/US6958074?utm_source=gb-gplus-shareBrevet US6958074 - Releasable and retrievable vascular filter system
