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.es/patents/US20050203569?utm_source=gb-gplus-sharePatente US20050203569 - Slideable vascular filter
