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1. (WO2001032254) METHODS AND DEVICES FOR FILTERING FLUID FLOW THROUGH A BODY STRUCTURE

Pub. No.:    WO/2001/032254    International Application No.:    PCT/US2000/041817
Publication Date: Fri May 11 01:59:59 CEST 2001 International Filing Date: Fri Nov 03 00:59:59 CET 2000
IPC: A61F 2/01
Applicants: THE FLOUNDRY LLC
Inventors: DIECK, Martin, S.
MARTIN, Brian, B.
Title: METHODS AND DEVICES FOR FILTERING FLUID FLOW THROUGH A BODY STRUCTURE
Abstract:
An intravascular filter (2) having a filament (6) which expands a filter element (4). The filter filament (6) is a coil (20) which is stretched to reduce the diameter of the coil (20) for introduction. The filter element (4) is preferably biased toward the closed position and is opened by the coil (20) when tension is released on the coil (20). The filament (6) slides along the internal surface (19) of the filter element (6) so that the filter element (6) may assume intermediate positions.