An elongate distal protection device includes an intraluminal filter-occluder combination positioned at a distal end thereof. An expandable occluder is disposed within an expandable filter such that the filter and occluder are independently deployable. During use, the expanded occluder may be used first...http://www.google.de/patents/US20050096691?utm_source=gb-gplus-sharePatent US20050096691 - Distal protection device for filtering and occlusion
