An expandable frame for an embolic filtering device used to capture embolic debris in a body lumen. The expandable frame also includes a filtering element. A nickel-titanium alloy is used to form the frame. Due to limited heat treatment, the frame exhibits linear pseudoelasticity when positioned inside...http://www.google.de/patents/US20040220608?utm_source=gb-gplus-sharePatent US20040220608 - Radiopaque nitinol embolic protection frame
