Vein filter
US8469990B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2011 |
| Grant date | Jun 25, 2013 |
| Priority date | — |
| Expiry date | Oct 19, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0059
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A vessel filter comprising a first region and a second region wherein the filter is movable between a collapsed position for delivery to the vessel and an expanded position for placement within the vessel. A first region has a filter portion having a converging region to direct particles toward the center of the filter and the second region is flared in the expanded position to have a transverse dimension increasing toward a second end portion opposite the first end portion. The second region includes a vessel engaging portion at the second end portion. The first region includes a plurality of spaced apart elongated struts with adjacent struts being joined and a spacer extending radially with respect to a longitudinal axis of the filter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.