Patent · US Active

Vein filter

US8864793B2 · kind B2 · utility

0Cited by
158References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 5, 2013
Grant dateOct 21, 2014
Priority date
Expiry dateJul 5, 2033

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61F2250/0059
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.