A vessel filter comprising a first distal region terminating at a first end and a second proximal region terminating at a second end of the filter and movable between a collapsed position for delivery to the vessel and an expanded position for placement within the vessel. The first region has a filter portion having a converging region to direct particles toward the center of the filter. The second region is flared in the expanded position to have a transverse dimension increasing toward a second end portion opposite the filter portion and includes a vessel engaging portion at the second end portion. The first region has a retrieval hook and a spacer forming a looped region extending radially from the first region.
申请公布号
US8500774(B2)
申请公布日期
2013.08.06
申请号
US20090551605
申请日期
2009.09.01
申请人
MCGUCKIN, JR. JAMES F.;BRESSLER JAMES E.;SCHALLER DAVID M.;REX MEDICAL, L.P.
发明人
MCGUCKIN, JR. JAMES F.;BRESSLER JAMES E.;SCHALLER DAVID M.