A collapsible medical device for use, e.g., as a vascular filter. The device includes a mandrel having a distal end and a stop spaced proximally of the distal end. A proximal length of the mandrel extends proximally of the stop and a distal length of the mandrel extends distally of the stop. A functional...http://www.google.de/patents/USRE42983?utm_source=gb-gplus-sharePatent USRE42983 - Slideable vascular filter