A filtering device for capturing and removing embolic debris from a body vessel and a system for insertion and removal of the filtering device to facilitate an interventional procedure in a stenosed or occluded region of a body vessel. The filtering device is adapted to be expandable in the body vessel,...http://www.google.ca/patents/US6592606?utm_source=gb-gplus-sharePatent US6592606 - Hinged short cage for an embolic protection device